on/off
– MUTE: activate/deactivate mute output
– TONE: change to DTMF dialling (mixed mode)
– DISconnect: return to on-hook state for calibrated
time
• On-hook dialling control
• Country specifications which can be stored in EEPROM
are:
– ∗ and # to be transmitted/not transmitted when
switching over to DTMF dialling mode
– mark-to-space ratio (3:2or2:1)
– 6 tone time selections (60/90, 70/70, 80/80, 100/100,
100/140 or 140/140 ms)
– 4 flash time selections (100, 115, 270 or 600 ms)
– mute output type selection (M1,
– microphone mute generated via the LSE output
– DTMF keys or Function keys selection
• On-chip voltage reference for stabilized supply and
temperature independent tone output
• On-chip filtering for low output distortion (CEPT
compatible).
M1, M2 or M2)
PCD3330-1
1.2Number storage
• Redial by ‘cursor’ method (maximum 24 digits) stored in
internal EEPROM
• Storage for 13 repertory dial numbers (16 digits each) or
10 repertory dial numbers (20 digits each) in internal
EEPROM
• Access pause generation and termination: manually or
by ‘Atlanta’ procedure
• Function keys for: LNR, Memory recall, Store, Access
Pause and 1 key repertory
• Country specifications which can be stored in EEPROM
are:
– access pause time selection (1.5/1.0, 2.5/1.5,
3.0/3.5 or 6.0/6.0 s)
– 10 number repertory dialler selection (1 or 2 key)
– two repertory number programming procedures
(General or Germany)
– repertory length (16 or 20 digits)
– generating a keytone during program actions.
1.3Ringer
• Ringer input frequency detection
• Function key for: Program Ringer
• Three-tone ringer with 4 different ringer frequencies
• Ringer melody generation with four signal speeds and
four output volume steps, keypad controlled
• Country specifications which can be stored in EEPROM
are:
– ringer input frequency detection selection
– ringer output selection (via DTMF tone output or
special ringer tone output)
– 4 possible ringer melodies
– 4 possible ringer repetition rates
– 4 possible ringer volumes.
• Supply voltage range 1.8 to 6.0 V (2.5 to 6.0 V in
EEPROM erase/write and DTMF and ringer mode).
1997 Jan 153
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Philips SemiconductorsProduct specification
Multistandard repertory dialler/ringer with
PCD3330-1
EEPROM
2GENERAL DESCRIPTION
The PCD3330-1 is a mixed-mode multistandard repertory
dialler/ringer IC fabricated in a low threshold voltage
CMOS technology.
The (maximum 13) repertory numbers, redial and various
country specifications are stored in EEPROM so that
memory retention is guaranteed for 10 years without using
a battery back-up.
National telecommunications specifications can be fulfilled
by changing a few bytes in EEPROM which contain the
different telephone timing and dialling procedures.
The two on-chip tone generators are used for Dual Tone
Multi-Frequency (DTMF) dialling, and for generating a
melody during ringing, which is activated when a correct
incoming ringer frequency is detected.
3ORDERING INFORMATION
TYPE
NUMBER
PCD3330-1PDIP28plastic dual in-line package; 28 leads (600 mil)SOT117-1
PCD3330-1TSO28plastic small outline package; 28 leads; body width 7.5 mmSOT136-1
NAMEDESCRIPTIONVERSION
As an output transducer for the ringer, a loudspeaker
(ringer out via tone output) or a PXE (ringer out via the
special ringer output which generates square wave ringer
tones with a peak-to-peak voltage of V
used.
The operating supply voltage is 1.8 V (2.5 V in EEPROM
erase/write and DTMF and ringer mode) to 6.0 V with a low
current consumption in all operating modes: standby,
conversation, dialling, programming and ringer.
PACKAGE
to VSS) can be
DD
1997 Jan 154
Page 5
Philips SemiconductorsProduct specification
Multistandard repertory dialler/ringer with
EEPROM
4PINNING
SYMBOLPINDESCRIPTION
COL11sense column keyboard
input/programming EEPROM
COL22sense column keyboard
input/programming EEPROM
COL33sense column keyboard
input/programming EEPROM
COL44sense column keyboard
input/programming EEPROM
COL55sense column keyboard input
COL66sense column keyboard input
DMO7dial mode output
HOOK8cradle contact input
XTAL19crystal/PXE oscillator input
XTAL210crystal/PXE oscillator output
RESET11reset input
CE/RF12chip enable and zero crossing for
Multistandard repertory dialler/ringer with
EEPROM
5FUNCTIONAL DESCRIPTION
5.1 Inputs/Outputs
5.1.1COL1
The sense column inputs COL1 to COL6 and the scanning
row outputs ROW1 to ROW6 can be directly connected to
several keyboard layouts, up to a maximum 6 × 6 single
contact keyboard matrix.
Four of the sense columns are used to store the contents
of the EEPROM in the factory (see Section 5.3).
5.1.2DMO,
This output is HIGH during the make and break times in
pulse dial mode. Its function is to lower the DC line voltage
during these pulses.
This output is LOW during DTMF dialling, during the
inter-digit-pause in pulse dial mode and during
conversation mode.
5.1.3HOOK,
TO COL6, KEYBOARD INPUTS
DIAL MODE OUTPUT
ON/OFF HOOK DETECTION INPUT
PCD3330-1
network). When the RESET input becomes HIGH it
initializes the IC.
The RESET-pin should not be left open (not-connected) in
any circumstances.
5.1.6CE/RF,
DETECT INPUT
As chip enable input (active HIGH) it is used to initialize
part of the system, to switch from standby to the ringer or
conversation, programming or dialling mode and to detect
line breaks.
As ringer-frequency input it measures the time between
two LOW-to-HIGH transitions, thus measuring the ringer
frequency.
5.1.7ROW1
The scanning row outputs ROW1 to ROW6 and the sense
column inputs COL1 to COL6 can directly be connected to
several keyboard layouts (max. a 6 × 6 single contact
keyboard matrix).
CHIP ENABLE AND RINGER-FREQUENCY
TO ROW6, KEYBOARD OUTPUTS
If inputs CE and HOOK are both HIGH then the
conversation, programming or dialling mode is selected.
Switching the HOOK input LOW longer than the
reset-delay-time results in switching to the standby mode.
If CE = HIGH and HOOK = LOW the PCD3330-1 is in the
ringer mode.
5.1.4XTAL1
AND XTAL2, OSCILLATOR INPUT/OUTPUT
Time base for the PCD3330-1 is a crystal-controlled
on-chip oscillator which is completed by connecting a
3.579545 MHz crystal or ceramic resonator (PXE)
between XTAL1 and XTAL2. The XTAL2 is the oscillator
output and can be used as driver for another oscillator
input. A low-cost quartz crystal from Philips (code number.
4322 143 04401) is available, specially for telephony
applications.
The oscillator starts when VDD reaches the operating
voltage level and CE = HIGH.
5.1.5RESET,
RESET INPUT
When the RESET pin is connected to VSS, a reset is
generated by an internal power-on-reset circuit, which
produces an internal reset pulse every time that the supply
voltage VDD crosses the power-on-reset voltage level
(typ. 2.0 V).
Depending on the application it can be necessary to
generate a reset via an external circuit (e.g. an external RC
5.1.8MUTE,
MUTE OUTPUT
The MUTE output is used during dialling. In the
PCD3330-1 the MUTE output has four different selectable
options:
• M1, normally LOW, but HIGH during inter-digit-pause
and make/break in pulse dial mode, during tone-on and
tone-off in DTMF mode, and during flash or earth
• M1, the inverted signal of M1
• M2, normally LOW, HIGH during make/break in pulse
dial mode, during tone-on in DTMF mode, and during
flash or earth
• M2, the inverted signal of M2.
Each time the M-key on the keyboard is pressed the MUTE
output goes to its inverted state.
5.1.9RTO,
RINGER TONE OUTPUT
This is the special ringer output. When this output is
selected the output of the internal tone generators is not
connected to the TONE output but to this RTO output.
The ringer output signal has a peak to peak square output
voltage of VDD− VSS (this is used with a PXE transducer).
5.1.10
DP/FL, PULSE DIALLING AND REGISTER RECALL
OUTPUT
TheDP/FL output drives an external switching transistor in
pulse dial mode.
1997 Jan 156
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Philips SemiconductorsProduct specification
Multistandard repertory dialler/ringer with
EEPROM
It pulses a calibrated FLASH or register recall pulse
(if selected) when the keyboard input FLASH is pressed.
5.1.11V
VDD and VSS are the supply terminals.
5.1.12TONE, DTMF
In DTMF dialling mode the dual tones which are provided
at the output TONE are filtered by an on-chip switched
capacitor filter, followed by an active RC low-pass filter.
Therefore, the total harmonic distortion of the DTMF tones
fulfils the CEPT recommendations. An on-chip reference
voltage provides output tone levels independent of supply
voltages. The impedance is 100 Ω typically.
In ringer mode this TONE output can be used for
generating the ringer output tones. Whether this TONE
output or the special RTO (ringer tone) output is used is
selected via EEPROM.
5.1.13PD/DTMF,
To select the dialling mode, this input PD/DTMF must be
connected to VDD or VSS.
PD/DTMF = HIGH (VDD) = DTMF mode.
PD/DTMF = LOW (VSS) = pulse mode.
The PCD3330-1 accept the information also during
manual dialling. Switching the input to pin PD/DTMF
changes the dialling mode after finishing the digit in
progress.
DD
AND V
SS
OR RINGER TONE OUTPUT
PULSE/TONE MODE SELECTION
PCD3330-1
microphone mute which is controlled by the M-key.
After off-hook this output is HIGH and will toggle by every
press off the M-key.
5.1.15EARTH, a/b
The EARTH output drives an external switching transistor.
which connects the a- or b-line to earth.
It pulses a calibrated EARTH pulse (if selected) when the
keyboard input FLASH is pressed.
5.2Keyboard
The PCD3330-1 is programmed to work with various
keyboards which can be connected to the sense column
inputs COL1 to COL6 and the scanning row outputs
ROW1 to ROW6. In this specification four examples are
given:
• Figure 2. The simplest keyboard. All basic functions are
available but only 2-key abbreviated dialling
(MEM + digit) is possible.
• Figure 3. As Fig.2 but with 3 extra 1-key abbreviated
dialling keys.
• Figure 4. As Fig.2 but the 10 repertory numbers can be
reached via M0 to M9 with 1-key abbreviated dialling.
• Figure 5. The most complex keyboard. A second
possibility for column 4 exists. This column can be
selected via EEPROM.
Keyboard entries are valid 20 ms (debounce time) after
the leading edge of a keyboard entry.
LINE TO EARTH CONNECTION
5.1.14RVOL1
OUTPUTS
AND RVOL2/LSE, RINGER VOLUME
The RVOL1 and RVOL2 outputs can be used to control the
ringer output volume in four steps. The volume can be
changed via keyboard during ringing or conversation
mode (off-hook). The selected output level is stored in
EEPROM.
During on-hook dialling the RVOL2 output becomes the
LSE output for switching the listening-in amplifier.
When the on-hook dialling option is not selected and the
microphone mute option is active output LSE change to a
1997 Jan 157
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Philips SemiconductorsProduct specification
Multistandard repertory dialler/ringer with
EEPROM
handbook, full pagewidth
ROW 1
ROW 2
ROW 3
ROW 4
ROW 5
ROW 6
COL 1
1
4
7
*
LNR
STO
COL 2
2
5
8
0
AP
MEMM
COL 3COL 4COL 5
FLASH
3
6
9
#
PCD3330-1
COL 6
MGG572
handbook, full pagewidth
ROW 1
ROW 2
ROW 3
ROW 4
ROW 5
ROW 6
Fig.2 Basic keyboard.
COL 1COL 2COL 3COL 4COL 5
1
4
7
*
LNR
STOMEMME-1E-2E-3
AP
2
5
8
0
3
6
9
#
FLASH
COL 6
MGG573
Fig.3 Basic keyboard with 3 extra 1-key abbreviated dialling keys.
1997 Jan 158
Page 9
Philips SemiconductorsProduct specification
Multistandard repertory dialler/ringer with
EEPROM
handbook, full pagewidth
ROW 1
ROW 2
ROW 3
ROW 4
ROW 5
ROW 6
COL 1COL 2COL 3COL 4COL 5
1
4
7
*
LNR
STOMEMM
AP
2
5
8
0
3
6
9
#
FLASH
M0
M2
M4
M6
M8
PCD3330-1
COL 6
M1
M3
M5
M7
M9
MGG574
handbook, full pagewidth
Fig.4 Basic keyboard with 10 extra 1-key abbreviated dialling keys.
ROW 1
ROW 2
ROW 3
ROW 4
ROW 5
ROW 6
COL 1COL 2COL 3COL 4COL 5
1
4
7
*
LNR
STOMEMME-1E-2E-3
AP
2
5
8
0
3
6
9
#
FLASH
A/TONE
B/DIS
C/PR
D
HOOK
M0
M2
M4
M6
M8
COL 6
M1
M3
M5
M7
M9
MGG575
Fig.5 The most complex keyboard, option for column 4 is programmed into EEPROM.
1997 Jan 159
Page 10
Philips SemiconductorsProduct specification
Multistandard repertory dialler/ringer with
PCD3330-1
EEPROM
Table 1 Function of the keys
SYMBOLDESCRIPTION
0to9,∗and #Standard keyboard. In pulse dialling mode the valid keys are the 10 numeric keys (0 to 9) − the
2 non-numeric dial keys (∗ and #) have no effect on the dialling. In DTMF dialling mode the
10 numeric keys and the 2 non-numeric dial keys are valid.
A to DIf selected (EEPROM bit), these keys are only valid in DTMF dialling mode.
TONEIf selected, pulse to DTMF switching key (mixed mode dialling).
DISIf selected (EEPROM bit), disconnect key will activate output
telephone set turns to the ON-HOOK state for this calibrated time.
PRIf selected (EEPROM bit), program ringer key. With this key the ringer output volume and ringer
repetition rate can be changed.
M0 to M9One key abbreviated dialling, the 10 repertory numbers are directly accessible via keys M0 to M9.
LNRLast number redial.
APAccess pause key, results in inserting an access pause in the telephone number.
FLASHFLASH/EARTH key, depending on the status programmed this key starts a FLASH or an EARTH
procedure.
HOOKHook key (for on-hook dialling/loudspeaker on/off); as long as the handset stays on the cradle
activation of this key switches the set off-hook/on-hook. When the handset is not on the cradle
activation of this key switches the loudspeaker on/off (listening-in feature).
STOSTORE key.
MEMTwo-key abbreviated dialling (MEM + digit), the repertory numbers M0 to M9 are also accessible via
this two-key dialling procedure.
MMute key, each time this key is pressed and dialling is not active, the mute output goes to HIGH or
LOW depending on the previous state.
E-1 to E-3One key abbreviated dialling, three extra repertory numbers which are only directly accessible by
keys E-1 to E-3; these numbers can only be used when the repertory length is 16 digits
(programmable in EEPROM).
DP/FL for 800 ms. In this case the
1997 Jan 1510
Page 11
Philips SemiconductorsProduct specification
Multistandard repertory dialler/ringer with
PCD3330-1
EEPROM
5.3EEPROM organization and programming procedures
5.3.1EEPROM
The dialling, memory, and ringer options and the telephone numbers are all stored in EEPROM. By using EEPROM no
special backup requirement are necessary such as battery, current from the line, or very big capacitors.
Table 2 describes the meaning of each EEPROM byte at a repertory length of 16 and 20 digits.
Table 3 describes the meaning of each bit of all the bytes that do not contain telephone numbers.
Table 2 EEPROM organization
FUNCTION
Redial13 bytes0 to 1213 bytes0 to 12
M0 or MEM + 08 bytes16 to 2310 bytes16 to 25
M1 or MEM + 18 bytes24 to 3110 bytes26 to 35
M2 or MEM + 28 bytes32 to 3910 bytes36 to 45
M3 or MEM + 38 bytes40 to 4710 bytes46 to 55
M4 or MEM + 48 bytes48 to 5510 bytes56 to 65
M5 or MEM + 58 bytes56 to 6310 bytes66 to 75
M6 or MEM + 68 bytes64 to 7110 bytes76 to 85
M7 or MEM + 78 bytes72 to 7910 bytes86 to 95
M8 or MEM + 88 bytes80 to 8710 bytes96 to 105
M9 or MEM + 98 bytes88 to 9510 bytes106 to 115
E-18 bytes96 to 103not available−
E-28 bytes104 to 111not available−
E-38 bytes112 to 119not available−
Options4bytes120 to 1234 bytes120 to 123
Program Blocking1 byte1271 byte127
ORGANIZATION
REPERTORY LENGTH IS 16 DIGITSREPERTORY LENGTH IS 20 DIGITS
Not sending ∗120XXXXXXX0
Sending ∗120XXXXXXX1
Not sending #120XXXXXX0X
Sending #120XXXXXX1X
Mark to space ratio 3 : 2120XXXXX0XX
Mark to space ratio 2 : 1120XXXXX1XX
Tone/pause 60/90 ms120XX000XXX
Tone/pause 70/70 ms120XX001XXX
Tone/pause 80/80 ms120XX010XXX
Tone/pause 100/100 ms120XX011XXX
Tone/pause 100/140 ms120XX100XXX
Tone/pause 140/140 ms120XX101XXX
Flash duration 100 ms12000XXXXXX
Flash duration 115 ms12001XXXXXX
Flash duration 270 ms12010XXXXXX
Flash duration 600 ms12011XXXXXX
Mute is M1121XXXXXX00
Mute is
Mute is M2121XXXXXX10
Mute is
General program proc.121XX0XXXXX
General program proc.121XX1XXXXX
Repertory 16 digits121X0XXXXXX
Repertory 20 digits121X1XXXXXX
M1/M2 mute1210XXXXXXX
Microphone mute1211XXXXXXX
M1121XXXXXX01
M2121XXXXXX11
Access Pause time for pulse dialling (Inter-digit pause not included)
A.P. time 1.5 s121XXX00XXX
A.P. time 2.5 s121XXX01XXX
A.P. time 3.0 s121XXX10XXX
A.P. time 6.0 s121XXX11XXX
Access Pause time for DTMF dialling (Tone-off time not included)
A.P. time 1.0 s121XXX00XXX
A.P. time 1.5 s121XXX01XXX
A.P. time 3.5 s121XXX10XXX
A.P. time 6.0 s121XXX11XXX
Ringer via pin RTO122XXXXXXX0
Ringer via pin TONE122XXXXXXX1
Ringer melody A122XXXX00XX
Ringer melody B122XXXX01XX
Ringer melody C122XXXX10XX
Ringer melody D122XXXX11XX
Ringer volume 1122XX00XXXX
Ringer volume 2122XX01XXXX
Ringer volume 3122XX10XXXX
Ringer volume 4122XX11XXXX
Ringer repetition 112200XXXXXX
Ringer repetition 212201XXXXXX
Ringer repetition 312210XXXXXX
Ringer repetition 412211XXXXXX
Ringer detection LOW 1123XXXXXX00
Ringer detection LOW 2123XXXXXX01
Ringer detection LOW 3123XXXXXX10
Ringer detection LOW 4123XXXXXX11
Ringer detection HIGH 1123XXXX00XX
Ringer detection HIGH 2123XXXX01XX
Ringer detection HIGH 3123XXXX10XX
Ringer detection HIGH 4123XXXX11XX
A to D keys123XXX0XXXX
Function keys123XXX1XXXX
Flash keytone123XX0XXXXX
EARTH function123XX1XXXXX
No keytone123X0XXXXXX
Keytone active123X1XXXXXX
No on-hook dialling1230XXXXXXX
On-hook dialling control1231XXXXXXX
5.3.2EEPROM PROGRAMMING PROCEDURES
The PCD3330-1 supports four EEPROM programming procedures:
1. LNR is described in Section 5.6.2
2. Repertory numbers is described in Section 5.6.9
3. Via pins 1 to 4 (COL1 to COL4)
4. Via keyboard (can be locked with the Program Blocking byte).
Method 3 is normally used by the setmaker before the set leaves his factory.
Method 4 is most suited for usage in the field (e.g. the shop where the set is purchased).
1997 Jan 1513
Page 14
Philips SemiconductorsProduct specification
Multistandard repertory dialler/ringer with
EEPROM
5.3.2.1Factory EEPROM programming procedure
The COL1 to COL4 of the PCD3330-1 can be used in the
factory to read or write the contents of the internal
EEPROM. COL1 (pin 1) is the SCL and COL2 (pin 2) is the
SDA of the I2C-bus interface, while COL3 (pin 3) and
COL4 (pin 4) determine the mode selected. In Fig.6 the
principle for this programming procedure is given.
handbook, halfpage
PCD3330-1
1
2
3
4
COL1
COL2
COL3
COL4
S1
Fig.6Circuit diagram for the EEPROM
programming procedure.
The status of pins COL3 and COL4 is read directly after a
power-on-reset and the status can be changed with
switches S1 and S2 (open: pin is HIGH; closed: pin is
LOW).
If during the programming mode S1 is opened the
programming stops and the PCD3330-1 goes to the
telephone mode. If now S1 is closed again the set stays in
telephone mode.
In the write mode the PCD3330-1 is able to read the
contents of an external RAM (128 bytes) or the PCF8581
(EEPROM) via COL1 and COL2.
In the read mode the PCD3330-1 sends the contents of its
internal EEPROM via COL1 and COL2 to the external
device.
All 128 bytes of EEPROM are read or written in each read
or write operation.
S2
SCL
SDA
MGG576
6
5
PCA8581
PCD3330-1
5.3.2.2EEPROM programming procedures via
keyboard
This procedure is only active if EEPROM ProgramBlocking byte (number 127 of the internal EEPROM) is
set to ‘FF’ hex. If this byte is ‘00’ hex it is not possible to do
the program procedures described in this chapter.
Byte 127 of the EEPROM can only be set by the factory
EEPROM programming procedure.
In the field all telephone options can be changed easily by
a special program procedure:
• Depress the STO-key (this selects the program mode)
• Depress the LNR-key (switches the program module to
storing EEPROM options
• Depress the first key of a three digit access code (the 1)
• Depress the second key of a three digit access code
(the 6)
• Depress the third key of a three digit access code (the 0)
• Depress the LNR-key again (end the access code)
• Press the byte number (last digit of the EEPROM byte
number given in Table 2)
• Press the number of the bit to change (see Table 2)
• Press 0 or 1 (this changes the EEPROM bit contents)
• Depress the LNR-key, which stores the correction into
EEPROM, now select a new byte or go to end
• End the routine by pressing the STO-key again.
If during this procedure a mistake is made correction is
possible after proper access code by pressing the
LNR-key and during access code only by STO-key.
In all cases the routine can be ended by pressing the
STO-key.
Example:
Change the mark-to-space ratio from 3 : 2 to 2 : 1. Then
bit 2 of EEPROM byte-120 has to be changed from 0 to 1.
The necessary action is as follows:
• Depress the STO-key
• Depress the LNR-key
• Depress the 1-key (first digit access code)
• Depress the 6-key (second digit access code
• Depress the 0-key (third digit access code)
• Depress the LNR-key again (end the access code)
• Press the 0-key (last digit of EEPROM byte-120 is the 0)
• Press the 2-key (bit 2 has to be changed)
• Press the 1 (changes the mark-to-space ratio to2:1)
• Press the LNR or STO-key.
1997 Jan 1514
Page 15
Philips SemiconductorsProduct specification
Multistandard repertory dialler/ringer with
EEPROM
The STO-key will end the programming procedure,
whereas after the LNR-key a new byte can be selected to
have the required bit changed.
5.4Operation mode overview
The PCD3330-1 has in total five operation modes:
standby, conversation, ringer, dialling and programming.
The state diagram is given in Fig.7.
When both CE/RF and the HOOK input are LOW the
PCD3330-1 goes to the standby mode, in which the
contents of the redial register is refreshed, the oscillator
switched off and the device enters the low current state.
A HIGH state on the CE/RF and/or the HOOK input will
cause a complete initialization of the PCD3330-1 which
means setting of the I/O pins, clearing of the RAM and
reloading the EEPROM contents into it.
PCD3330-1
5.5Pulse/DTMF dialling function
5.5.1P
The PCD3330-1 has two dialling modes, pulse dialling and
Dual Tone Multi Frequency (DTMF). These can be
selected via the PD/DTMF input in the following way:
The controller accepts the information also during manual
dialling. Switching the input to the pin PD/DTMF changes
the dialling mode after transmitting the digit in progress.
ULSE/DTMF MODE SELECTION BY PIN
handbook, full pagewidth
CE/RF = HOOK = 0
CE/RF = HOOK = 0
CE/RF = 1
HOOK = 1
STANDBYPROGRAMMING
CE/RF = 0
HOOK = 0
HOOK = 0
CE/RF = AC
CE/RF = HOOK = 0
DIALLING
end dial
CONVERSATION
CE/RF = 1
HOOK = 1
RINGER
start dial
STO-key
STO-key
MGG577
Fig.7 State diagram of the PCD3330-1 dialler/ringer.
1997 Jan 1515
Page 16
Philips SemiconductorsProduct specification
Multistandard repertory dialler/ringer with
EEPROM
5.5.2PULSE DIALLING (PD/DTMF = LOW)
The keyboard entry initiates a recall of a previously stored
number or is a simultaneous keying-in and pulsing-out
activity, with storing for possible later recall. If in the
recalled number or at keying-in the keys A,B,C or D
(options A to D keys selected) are used these digits are
not transmitted.
If at keying-in the keys ∗ or # are used this results in a
switch over to DTMF dialling. Normally, keying in is faster
than pulsing-out (fed from the redial register). Pulse
sequences start with an inter-digit pause of 840 ms
duration, followed by a sequence of pulses corresponding
to the present digit in store. Each pulse starts with a mark
(line break) followed by space (line make).
The pulse period is 100 ms with a mark-to-space ratio of
3:2or2:1 (mark-to-space ratio selection). After
transmission of a digit, the next digit is processed, again
starting with an inter-digit pause. The pulses are available
DP/FL output and can be used to drive an external
at the
switching transistor in pulse dialling mode.
The transmission IC is put in the dialling mode by means
of output MUTE.
PCD3330-1
Output MUTE has several programmable options, MUTE
can be configured as M1,
timing diagram of these output possibilities is given.
After completion of the number string the circuit changes
from dialling mode to conversation mode.
5.5.3D
UAL TONE MULTI FREQUENCY (DTMF) DIALLING
(PD/DTMF = HIGH)
The PCD3330-1 converts keyboard inputs into data for the
on-chip DTMF generator. Tones are transmitted via output
TONE with six programmable minimum tone burst/pause
durations of 60/90, 70/70, 80/80, 100/100,
100/140 or 140/140 ms. The maximum tone burst duration
is equal to the key depression time. With redial and
repertory dialling tones are automatically fed at the
programmed rate. Again the MUTE output has several
programmable options namely, M1, M1, M2 and M2.
In Fig.9 the timing diagram of these output possibilities is
given.
M1, M2 and M2. In Fig.8 the
handbook, full pagewidth
KEYBOARD
ENTRY
DP/FL
handset lifted
CE
23
M1
M1
M2
M2
t
m
t
b
t
id
t
m
t
b
t
id
Fig.8 Timing diagram in pulse mode, showing DP/FL and MUTE outputs.
handset replaced
MGG578
1997 Jan 1516
Page 17
Philips SemiconductorsProduct specification
Multistandard repertory dialler/ringer with
EEPROM
CE
TONE
M1
M1
M2
M2
handset lifted
23
t
on
t
off
handbook, full pagewidth
KEYBOARD
ENTRY
PCD3330-1
handset replaced
t
on
t
off
MGG579
Fig.9 Timing diagram in DTMF mode, showing MUTE outputs.
5.5.4DTMF DIALLING IN PULSE DIALLING MODE (MIXED
MODE DIALLING
)
If the controller is set to the pulse dial mode (pin PD/DTMF
is LOW), activation of keys TONE, ∗ or # changes the
dialling mode to DTMF.
Its entry is stored in the redial register and it generates
automatically an access pause, after which the following
digits are transmitted in the DTMF mode.
The digits entered after keys TONE, ∗ or # are not
transmitted in the redial mode. The TONE key is never
transmitted in the redial mode.
The TONE key is never transmitted, whether ∗ or # are
transmitted depends on the selected option.
A second touch of the TONE key is ignored. The ∗ or #
keys pressed after a switch over to DTMF dialling are all
transmitted.
If the controller is initially set to the DTMF mode (pin
PD/DTMF is HIGH), activation of TONE is ignored and the
∗ or # are stored in the redial register and transmitted in
DTMF mode.
5.5.5F
LASH OR EARTH FUNCTION
Whether the Flash or Earth function is activated by the
FLASH key is programmed in the EEPROM.
If the FLASH function is selected a calibrated FLASH pulse
(recall register) is generated on the
DP/FL output and the
MUTE output is active.
The calibrated FLASH time is programmed for 100, 115,
270 or 600 ms in EEPROM.
If the EARTH (‘Connect a/b to earth’) function is selected,
the EARTH output becomes HIGH and the MUTE output
is active. The time of earth connection is 400 ms.
When the FLASH key is pressed the telephone number
entered before the FLASH key is stored in the redial
register (EEPROM).
• After dialling 1-2-3-’FLASH’ - on-hook Redial is
This DIS (disconnect) key is only available if the function
key option is programmed. Touching the DIS key activates
output DP/FL for 800 ms. In this case the telephone set
turns to the ON-HOOK state for this calibrated time, after
which it comes back to the OFF-HOOK mode.
1997 Jan 1517
Page 18
Philips SemiconductorsProduct specification
Multistandard repertory dialler/ringer with
EEPROM
5.5.7MUTE FUNCTION (M-KEY)
When no dialling or programming is active, every time this
M-key is pressed the MUTE output goes to the active or
inactive state depending on its previous status.
When the MUTE output is in the active state and another
key is pressed then the MUTE output is switched back to
the inactive state.
When there is the on-hook dialling is not selected and the
Microphone mute flag in EEPROM is HIGH, every press
off the M-key will result in the inverted value of the
RVOL2/LSE output. At off-hook the status of this output is
HIGH.
5.5.8O
If required, the on-hook dialling control feature can be
selected by programming the corresponding bit in
EEPROM.
When this on-hook dialling feature is selected, the power
supply to the PCD3330-1 must be maintained during
on-hook.
In telephone sets developed for on-hook dialling
(an electronic hook-switch must be present) activation of
the HOOK-key during on-hook results in an off-hook via
the DP/FL output, and the LSE output becomes HIGH.
As long as the handset stays on the cradle a new
activation of the HOOK-key results in an on-hook, and the
LSE output becomes LOW.
When during on-hook dialling the handset is lifted from the
cradle the on-hook dialling mode is switched off and the
LSE output is set to the active (LOW) state.
When the handset is off-hook (not on the cradle) activation
of this HOOK-key switches the loudspeaker on
(LSE = HIGH) or off (LSE = LOW) (listening-in feature).
N-HOOK DIALLING CONTROL
PCD3330-1
Up to 24 digits can be stored in the redial register. After the
work register overflows, a 10 digits First-In-First-Out
register (FIFO) takes over as buffer and the contents of the
work register is now copied to the redial register.
After transmitting the first digit of the FIFO register this
position is automatically cleared to provide space for the
storage of new data. In this way, the total number that can
be transmitted is unlimited, provided the key-in rate is not
excessive. However, if the FIFO register overflows (more
than 10 digits in store) further input is ignored.
Input digits are transmitted immediately with minimum
transmission time. Transmission continues for as long as
digits are input.
5.6.2L
If the first key pressed and released is LNR, the stored
number in the redial register is recalled and transmitted
immediately.
The LNR key can be used in two other ways, known as the
‘cursor’ method and the ‘Atlanta’ procedure, to allow
external numbers to be redialled from a PABX with an
appropriate access pause.
5.6.3A
If the first key entered is not LNR but numerical digits,
these digits are compared to those held in store. As long
as the digits entered equal those stored, the redial register
in not cleared and dialling can be continued by pressing
the redial key. The already dialled part is not redialled.
Redial is inhibited as soon an entry is unequal to the digit
at the same position held in store.
This ‘cursor’ method allows an access code to be entered
and access confirmation tone to be received before an
external number is redialled.
AST NUMBER REDIAL (1 TO 24 DIGITS)
CCESS PAUSE BY CURSOR METHOD
5.6Number storage, transmission and redial
5.6.1NUMBER STORAGE AND TRANSMISSION
If the first key pressed at off-hook is 0 to 9 in pulse dialling
or 0 to 9,∗ and # in DTMF dialling mode, digits are entered
into the work register and compared with the previous
entries stored in the redial register. As long as the newly
dialled digits are equal to those stored, the contents of the
redial register are unaffected.
When the newly pressed digit is different from the one
stored in the redial register the contents of the work
register are copied to the redial register when going
on-hook (or every other action equal to on-hook).
1997 Jan 1518
5.6.4A
If the first key entered is the redial key, but this key is kept
down, then only the first digit held in the redial register is
transmitted. After releasing the redial key the remaining
digits held in the redial register are dialled.
The ‘Atlanta’ procedure allows a single stored access digit
to be transmitted, but redial of the external number to be
delayed until access has been confirmed.
5.6.510The PCD3330-1 includes a 10-number repertory dialler,
16 or 20 digits each, which is accessible with a one or
two-key procedure.
CCESS PAUSE BY ATLANTA PROCEDURE
NUMBER REPERTORY DIALLING
Page 19
Philips SemiconductorsProduct specification
Multistandard repertory dialler/ringer with
EEPROM
The 10 repertory numbers can be recalled with the
M0 to M9 keys or by pressing the MEM key followed by a
numeric digit from 0 to 9.
If the keyboard matrix contains the keys M0 to M9, each of
the 10 repertory numbers can be recalled using the
corresponding single key.
If the keyboard matrix contains the MEM key each of the
10 repertory numbers can be recalled by depressing MEM
followed by the numeric digit 0 to 9.
The maximum length of these repertory numbers is
16 or 20 digits (depending on the programmed repertory
number length) including the manually stored access
pauses.
5.6.5.1
Repertory numbers can be dialled-out after or before
entering manual dialling or last number redial and by
entering the memory locations in successive order (‘chain
dialling’).
During transmission of a number recalled from the
memory location, the controller does not accept keyboard
entries. Dialling can be continued as soon as the number
under transmission is completed.
Note that the last memory location which is transmitted is
stored in the redial register.
Chain dialling
PCD3330-1
The maximum length of these repertory numbers is
16 digits including the manually stored access pauses.
The chain dialling procedure is equal to that explained in
10-number repertory dialling.
5.6.7A
If during entering a telephone number via keyboard for
normal dialling or during repertory number programming
the AP-key (access pause key) is pressed, then an access
pause is stored in the redial or repertory dial register.
5.6.8M
The AP-key is used to insert an access pause during
manual dialling. It is possible to select between four
possible access pause times for each dialling mode:
For pulse dialling 1.5, 2.5, 3.0 or 6.0 s (inter-digit pause not
included).
For DTMF dialling 1.0,1.5, 3.5 or 6.0 s (inter-digit pause
not included).
5.6.9S
When the Keytone active bit in EEPROM is HIGH, every
key activation in programming mode will result in a keytone
of 1046 Hz lasting 200 ms.
CCESS PAUSE STORAGE
ANUAL ACCESS PAUSES
TORING REPERTORY NUMBERS
5.6.63When the repertory length programmed in EEPROM is set
to 16 digits, the PCD3330-1 includes also an additional
3-number repertory dialler.
These repertory numbers are only accessible with the
one-key procedure.
These 3 repertory numbers can only be recalled with the
E-1 to E-3 keys.
Table 5 One-key access repertory number mode (M0 to M9 and E-1 to E-3)
Set in operation modeset in operation mode
Depress STO (store key)depress STO (store key)
Telephone numberlocation (M0 to M9/E-1 to E-3)
Depress STO (store key)telephone number
Location (M0 to M9/E-1 to E-3)STO (store key)
NUMBER REPERTORY DIALLING
GENERAL PROCEDUREGERMAN PROCEDURE
The store mode starts after going off-hook and depressing
the STO-key. With the PCD3330-1 a selection can be
made between two store modes, the ‘General’ and the
‘German’.
Repertory numbers can be stored into EEPROM via the
one-key access or the two-key access method and
following the German or General storing procedures. This
is detailed in Tables 5 and 6.
1997 Jan 1519
Page 20
Philips SemiconductorsProduct specification
Multistandard repertory dialler/ringer with
PCD3330-1
EEPROM
Table 6 Two-key access repertory number mode (MEM + 0 to 9)
GENERAL PROCEDUREGERMAN PROCEDURE
Set in operation modeset in operation mode
Depress STO (store key)depress STO (store key)
Telephone numberdepress MEM (location key)
Depress STO (store key)depress 0 to 9 (real location)
Depress MEM (location key)telephone number
Depress 0 to 9 (real location)depress STO (store key)
Memory locations can be cleared by following the same procedure as for storing a number, without actually entering a
number.
5.7Ringer function
The PCD3330-1 has a three-tone melody ringer with the following characteristics:
• Ringer output pin selection
• Ringer input frequency measurement
• Ringer melodies selection
• Ringer volume change during conversation and ringer mode
• Ringer repetition rate change during conversation and ringer mode.
In Fig.10 the timing diagram of the ringer function is given.
handbook, full pagewidth
incoming
ringer
CE/RF
power on
reset
melody
max.
200 ms
800 Hz1067 Hz1333 Hz800 Hz1067 Hz1333 Hz
T
tone
T
tone
T
tone
max.
200 ms
MGG580
Fig.10 The timing diagram of the ringer function.
1997 Jan 1520
Page 21
Philips SemiconductorsProduct specification
Multistandard repertory dialler/ringer with
EEPROM
5.7.1RINGER OUTPUT PIN SELECTION
The ringer signal is sent via the special Ringer Tone
Output (RTO) or via the TONE output depending on the
option selected.
When a loudspeaker is used as a transducer, it is better to
use the TONE output. One of the internal tone generators
directly supplies this output with V
The RTO output signal, used for PXE transducers, is a
block with a peak-to-peak output voltage of VDD− VSS.
5.7.2R
The melody ringer becomes active for all incoming ringer
frequencies higher then the ringer detection LOW
frequency and lower then the ringer detection HIGH
frequency supplied to the CE/RT input of the PCD3330-1.
The ringer detection LOW and ringer detection HIGH
frequencies are selected such that it is possible to use this
PCD3330-1 for both single and double phase rectifier
applications. It is possible to select one out of four ringer
detection LOW and four ringer detection HIGH frequencies
options which are given below:
• Ringer detection LOW 1: 16 Hz
• Ringer detection LOW 2: 20 Hz
• Ringer detection LOW 3: 32 Hz
• Ringer detection LOW 4: 40 Hz
• Ringer detection HIGH 1: 35 Hz
• Ringer detection HIGH 2: 60 Hz
• Ringer detection HIGH 3: 70 Hz
• Ringer detection HIGH 4: 120 Hz.
5.7.3R
The ringer melody generator can select out of four different
ringer melody options (stored in EEPROM), given in
Table 7.
INGER INPUT FREQUENCY MEASUREMENT
INGER MELODIES SELECTION
RMS
= 181 mV.
PCD3330-1
5.7.4RINGER VOLUME CHANGE DURING CONVERSATION
AND RINGER MODE
The ringer volume can be controlled by the port pins
RVOL1 and RVOL2 and its value is stored in EEPROM.
The output volume can be changed:
• Via the EEPROM programming procedure (see
Section 5.3.2)
• During conversation mode, when the function keys
option is chosen, with a special key sequence
• During active ringer by a simple key press.
In Conversation mode the procedure is as follows:
• Put the set in conversation mode (supply necessary)
• Depress PR (ringer program key)
• Press one of the four acceptable volume keys (1 to 4);
The newly selected value is directly stored into EEPROM.
Page 22
Philips SemiconductorsProduct specification
Multistandard repertory dialler/ringer with
EEPROM
5.7.5RINGER REPETITION RATE CHANGE DURING
CONVERSATION AND RINGER MODE
The generated melody is built up out of three frequencies.
These frequencies are generated successively in a
selected repeat frequency.
There are four steps and they can be changed:
• Via the EEPROM programming procedure (See
Section 5.3.2)
• During conversation mode, when the function keys
option is chosen, with a special key sequence
• During active ringer by a simple key press.
In conversation mode the procedure is as follows:
• Put the set in conversation (supply necessary)
• Depress PR (ringer program key)
• Press one of the four acceptable repeat frequency keys
(9, ∗, 0 or #) see Table 10.
PCD3330-1
The newly selected value is directly stored into EEPROM.
During active ringing the PR key is not used, the procedure
is as follows:
• Active the ringer (only then this repetition rate correction
is possible)
• Press one of the four acceptable repeat frequency keys
(9, ∗, 0 or #) see Table 11.
Table 11 Ringer repetition rate selection, active ringer
The newly selected value is directly stored into EEPROM.
1997 Jan 1522
Page 23
Philips SemiconductorsProduct specification
Multistandard repertory dialler/ringer with
PCD3330-1
EEPROM
6LIMITING VALUES
In according with the Absolute Maximum Rating System (IEC 134).
SYMBOLPARAMETERMIN.MAX.UNIT
V
DD
V
I
I
I
I
O
P
tot
P
O
I
SS
T
stg
T
j
7HANDLING
Inputs and outputs are protected against electrostatic discharge in normal handling. However, it is good practice to take
normal precautions appropriate to handling MOS devices (see
devices”
supply voltage−0.8+7V
all input voltages−0.5VDD+ 0.5V
DC input current−10+10mA
DC output current−10+10mA
total power dissipation−125mW
power dissipation per output−30mW
ground supply current−50+50mA
storage temperature−65+150°C
operating junction temperature−90°C
Data Handbook IC03, Section: General, Handling MOS
).
8DC CHARACTERISTICS
= 1.8 to 6 V (note 1); VSS=0V; T
V
DD
≤ 100 Ω; unless otherwise specified.
R
X
= −25 to +70 °C; all voltages with respect to VSS; f
amb
= 3.579545 MHz;
osc
SYMBOLPARAMETERCONDITIONSMIN.TYP.MAX.UNIT
Supply voltage
V
DD
supply voltageoperating; note 11.8−6V
RAM data retention in
1.0−6V
Standby mode
Supply current
I
DD
supply currentDialling/Ringer mode;
−0.81.6mA
VDD= 3 V; note 2
Conversation/Programming
mode; V
= 3 V; note 2
DD
Standby mode
−0.350.7mA
−1.05.5µA
(notes 2 and 3);
= 1.8 V; T
at V
DD
Standby mode
amb
=25°C
−−10µA
(notes 2 and 3);
at V
= 1.8 V; T
DD
amb
=70°C
1997 Jan 1523
Page 24
Philips SemiconductorsProduct specification
Multistandard repertory dialler/ringer with
PCD3330-1
EEPROM
SYMBOLPARAMETERCONDITIONSMIN.TYP.MAX.UNIT
Inputs
V
IL
V
IH
I
LI
LOW level input voltage0−0.3V
HIGH level input voltage0.7V
input leakage currentVSS≤ VI≤ V
LOW group125142160mV
∆ffrequency deviation−0.6−+0.6%
V
DC
output impedance−100500Ω
Z
O
G
v
DC voltage level−
voltage gain (pre-emphasis) of
1.52.02.5dB
1
⁄2V
DD
−V
group
THDtotal harmonic distortionat T
=25°C; note 5−−25−dB
amb
EEPROM (notes 1, 6 and 7)
N
cyc
t
ret
endurance (erase/write cycles)100000 −−cycles
data retention10−−years
Notes to characteristics
1. Tone output, EEPROM erase and EEPROM write require VDD≥ 2.5 V.
2. VIL=VSS, VIH=VDD; open drain outputs connected to VSS; all other outputs open; maximum values: external clock
at XTAL1; XTAL2 open; typical values at T
=25°C; crystal connected between XTAL1 and XTAL2.
amb
3. VIL=VSS, VIL=VDD; RESET, HOOK and CE/RT at VSS; crystal connected between XTAL1 and XTAL2;
open-drain outputs connected to VSS; all other outputs open.
4. Values are specified for DTMF frequencies only (CEPT compatible).
5. Related to the low group frequency component (CEPT compatible).
6. Verified on sampling basis.
7. After final testing the value of each EEPROM bit is typically HIGH, but this state cannot be guaranteed.
DD
V
V
1997 Jan 1524
Page 25
Philips SemiconductorsProduct specification
Multistandard repertory dialler/ringer with
PCD3330-1
EEPROM
9APPLICATION INFORMATION
A block diagram of an electronic feature phone built around the PCD3330-1 is shown in Fig.11. It comprises the following
dedicated telecom ICs:
• TEA1067 speech/transmission IC
• TEA1083A call progress monitor IC
• PCD3330-1 dialler/ringer IC.
handbook, full pagewidth
TEA1083A
CALL PROGRESS
MONITOR
LSE
PCD3330-1
DIALLER/RINGER
a/b
BSP254A
TEA1067
SPEECH
TRANSMISSION
DP/FL
SUPPLY
DTMF
PD
MUTE
b/a
RINGER IN
MELODY OUT
RINGER
HARDWARE
Fig.11 Block diagram of an electronic feature phone.
MGG581
1997 Jan 1525
Page 26
Philips SemiconductorsProduct specification
Multistandard repertory dialler/ringer with
EEPROM
DIMENSIONS (inch dimensions are derived from the original mm dimensions)
A
A
A
UNIT
inches
Note
1. Plastic or metal protrusions of 0.25 mm maximum per side are not included.
max.
mm
12
min.
max.
b
1.7
1.3
0.066
0.051
b
0.53
0.38
0.020
0.014
cD EweM
1
0.32
0.23
0.013
0.009
(1)(1)
36.0
35.0
1.41
1.34
14.1
13.7
0.56
0.54
E
14
(1)
L
3.9
3.4
M
15.80
15.24
0.62
0.60
H
E
17.15
15.90
0.68
0.63
0.252.5415.24
0.010.100.60
e
1
0.15
0.13
Z
max.
1.75.10.514.0
0.0670.200.0200.16
OUTLINE
VERSION
SOT117-1
IEC JEDEC EIAJ
051G05MO-015AH
REFERENCES
1997 Jan 1526
EUROPEAN
PROJECTION
ISSUE DATE
92-11-17
95-01-14
Page 27
Philips SemiconductorsProduct specification
Multistandard repertory dialler/ringer with
EEPROM
SO28: plastic small outline package; 28 leads; body width 7.5 mm
D
c
y
Z
28
15
PCD3330-1
SOT136-1
E
H
E
A
X
v M
A
pin 1 index
1
e
0510 mm
DIMENSIONS (inch dimensions are derived from the original mm dimensions)
mm
A
max.
2.65
0.10
A
1
0.30
0.10
0.012
0.004
A2A
2.45
2.25
0.096
0.089
0.25
0.01
b
3
p
0.49
0.32
0.36
0.23
0.019
0.013
0.014
0.009
UNIT
inches
Note
1. Plastic or metal protrusions of 0.15 mm maximum per side are not included.
(1)E(1)(1)
cD
18.1
7.6
17.7
7.4
0.71
0.30
0.69
0.29
14
w M
b
p
scale
eHELLpQ
1.27
0.050
10.65
10.00
0.42
0.39
1.4
0.055
A
2
0.043
0.016
A
1.1
0.4
Q
A
3
θ
ywvθ
Z
0.9
0.4
0.035
0.004
0.016
o
8
o
0
L
p
L
0.250.1
0.01
(A )
1
detail X
1.1
0.25
1.0
0.043
0.01
0.039
OUTLINE
VERSION
SOT136-1
IEC JEDEC EIAJ
075E06 MS-013AE
REFERENCES
1997 Jan 1527
EUROPEAN
PROJECTION
ISSUE DATE
91-08-13
95-01-24
Page 28
Philips SemiconductorsProduct specification
Multistandard repertory dialler/ringer with
EEPROM
11 SOLDERING
11.1Introduction
There is no soldering method that is ideal for all IC
packages. Wave soldering is often preferred when
through-hole and surface mounted components are mixed
on one printed-circuit board. However, wave soldering is
not always suitable for surface mounted ICs, or for
printed-circuits with high population densities. In these
situations reflow soldering is often used.
This text gives a very brief insight to a complex technology.
A more in-depth account of soldering ICs can be found in
our
“IC Package Databook”
11.2DIP
11.2.1S
The maximum permissible temperature of the solder is
260 °C; solder at this temperature must not be in contact
with the joint for more than 5 seconds. The total contact
time of successive solder waves must not exceed
5 seconds.
The device may be mounted up to the seating plane, but
the temperature of the plastic body must not exceed the
specified maximum storage temperature (T
printed-circuit board has been pre-heated, forced cooling
may be necessary immediately after soldering to keep the
temperature within the permissible limit.
11.2.2R
Apply a low voltage soldering iron (less than 24 V) to the
lead(s) of the package, below the seating plane or not
more than 2 mm above it. If the temperature of the
soldering iron bit is less than 300 °C it may remain in
contact for up to 10 seconds. If the bit temperature is
between 300 and 400 °C, contact may be up to 5 seconds.
11.3SO
11.3.1REFLOW SOLDERING
Reflow soldering techniques are suitable for all SO
packages.
OLDERING BY DIPPING OR BY WA VE
EPAIRING SOLDERED JOINTS
(order code 9398 652 90011).
). If the
stg max
PCD3330-1
Several techniques exist for reflowing; for example,
thermal conduction by heated belt. Dwell times vary
between 50 and 300 seconds depending on heating
method. Typical reflow temperatures range from
215 to 250 °C.
Preheating is necessary to dry the paste and evaporate
the binding agent. Preheating duration: 45 minutes at
45 °C.
11.3.2W
Wave soldering techniques can be used for all SO
packages if the following conditions are observed:
• A double-wave (a turbulent wave with high upward
pressure followed by a smooth laminar wave) soldering
technique should be used.
• The longitudinal axis of the package footprint must be
parallel to the solder flow.
• The package footprint must incorporate solder thieves at
the downstream end.
During placement and before soldering, the package must
be fixed with a droplet of adhesive. The adhesive can be
applied by screen printing, pin transfer or syringe
dispensing. The package can be soldered after the
adhesive is cured.
Maximum permissible solder temperature is 260 °C, and
maximum duration of package immersion in solder is
10 seconds, if cooled to less than 150 °C within
6 seconds. Typical dwell time is 4 seconds at 250 °C.
A mildly-activated flux will eliminate the need for removal
of corrosive residues in most applications.
11.3.3R
Fix the component by first soldering two diagonallyopposite end leads. Use only a low voltage soldering iron
(less than 24 V) applied to the flat part of the lead. Contact
time must be limited to 10 seconds at up to 300 °C. When
using a dedicated tool, all other leads can be soldered in
one operation within 2 to 5 seconds between
270 and 320 °C.
AVE SOLDERING
EPAIRING SOLDERED JOINTS
Reflow soldering requires solder paste (a suspension of
fine solder particles, flux and binding agent) to be applied
to the printed-circuit board by screen printing, stencilling or
pressure-syringe dispensing before package placement.
1997 Jan 1528
Page 29
Philips SemiconductorsProduct specification
Multistandard repertory dialler/ringer with
PCD3330-1
EEPROM
12 DEFINITIONS
Data sheet status
Objective specificationThis data sheet contains target or goal specifications for product development.
Preliminary specificationThis data sheet contains preliminary data; supplementary data may be published later.
Product specificationThis data sheet contains final product specifications.
Limiting values
Limiting values given are in accordance with the Absolute Maximum Rating System (IEC 134). Stress above one or
more of the limiting values may cause permanent damage to the device. These are stress ratings only and operation
of the device at these or at any other conditions above those given in the Characteristics sections of the specification
is not implied. Exposure to limiting values for extended periods may affect device reliability.
Application information
Where application information is given, it is advisory and does not form part of the specification.
13 LIFE SUPPORT APPLICATIONS
These products are not designed for use in life support appliances, devices, or systems where malfunction of these
products can reasonably be expected to result in personal injury. Philips customers using or selling these products for
use in such applications do so at their own risk and agree to fully indemnify Philips for any damages resulting from such
improper use or sale.
1997 Jan 1529
Page 30
Philips SemiconductorsProduct specification
Multistandard repertory dialler/ringer with
EEPROM
NOTES
PCD3330-1
1997 Jan 1530
Page 31
Philips SemiconductorsProduct specification
Multistandard repertory dialler/ringer with
EEPROM
NOTES
PCD3330-1
1997 Jan 1531
Page 32
Philips Semiconductors – a worldwide company
Argentina: see South America
Australia: 34 Waterloo Road, NORTH RYDE, NSW 2113,
United States: 811 East Arques Avenue, SUNNYVALE, CA 94088-3409,
Tel. +1 800 234 7381
Uruguay: see South America
Vietnam: see Singapore
Yugoslavia: PHILIPS, Trg N. Pasica 5/v, 11000 BEOGRAD,
Tel. +381 11 625 344, Fax.+381 11 635 777
For all other countries apply to: Philips Semiconductors, Marketing & Sales Communications,
Building BE-p, P.O. Box 218, 5600 MD EINDHOVEN, The Netherlands, Fax. +31 40 27 24825
The information presented in this document does not form part of any quotation or contract, is believed to be accurate and reliable and may be changed
without notice. No liability will be accepted by the publisher for any consequence of its use. Publication thereof does not convey nor imply any license
under patent- or other industrial or intellectual property rights.
Internet: http://www.semiconductors.philips.com
Printed in The Netherlands417021/1200/02/pp32 Date of release: 1997 Jan 15Document order number: 9397 750 01631
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