SA56606-20GW
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SA56606-XX
CMOS system reset
Product data
Supersedes data of 2001 Apr 24
File under Integrated Circuits, Standard Analog
2001 Jun 19
INTEGRATED CIRCUITS
Philips Semiconductors Product data
SA56606-XXCMOS system reset
2
2001 Jun 19 885–2247 26559
GENERAL DESCRIPTION
The SA56606-XX is a CMOS device designed to generate a reset
signal for a variety of microprocessor and logic systems. Accurate
reset signals are generated during momentary power interruptions
or whenever power supply voltages sag to intolerable levels. An
Open Drain output topology is incorporated for adaptability to a wide
variety of logic and microprocessor applications. Several reset
threshold versions of the device are available.
The SA56606-XX is available in the SOT23-5 surface mount
package.
FEA TURES
•12 V
DC
maximum operating voltage
•CMOS N-channel Open Drain output
•Offered in reset thresholds of
2.0, 2.7, 2.8, 2.9, 3.0, 3.1, 4.2, 4.3, 4.4, 4.5, 4.6, 4.7 V
DC
•Available in SOT23-5 surface mount package
APPLICATIONS
•Microcomputer systems
•Logic systems
•Battery monitoring systems
•Back-up power supply circuits
•Voltage detection circuits
SIMPLIFIED SYSTEM DIAGRAM
SL01313
V
DD
V
SS
V
REF
SA56606-XX
3
2
CPU
RESET
V
DD
V
SS
V
OUT
1
V
DD
V
SS
R
R
R
R
PU
Figure 1. Simplified system diagram.
Philips Semiconductors Product data
SA56606-XXCMOS system reset
2001 Jun 19
3
ORDERING INFORMATION
PACKAGE
TEMPERATURE
TYPE
NUMBER
NAME DESCRIPTION
RANGE
SA56606-XXGW SOT23-5, SOT25, SO5 plastic small outline package; 5 leads (see dimensional drawing) –40 to +85 °C
NOTE:
The device has twelve detection voltage options, indicated by the
XX on the order code.
XX
DETECT VOLTAGE (Typical)
20 2.0 V
27 2.7 V
28 2.8 V
29 2.9 V
30 3.0 V
31 3.1 V
42 4.2 V
43 4.3 V
44 4.4 V
45 4.5 V
46 4.6 V
47 4.7 V
Part number marking
Each package is marked with a four letter code. The first three
letters designate the product. The fourth letter, represented by ‘x’, is
a date tracking code. For example, AAKB is device AAK (the
SA56606-30 reset), produced in time period ‘B’.
Part number
Marking
SA56606-20 A A F x
SA56606-27 A A G x
SA56606-28 A A H x
SA56606-29 A A J x
SA56606-30 A A K x
SA56606-31 A A L x
SA56606-42 A A M x
SA56606-43 A A N x
SA56606-44 A A P x
SA56606-45 A A R x
SA56606-46 A A S x
SA56606-47 A A T x
PIN CONFIGURATION
SL01312
1
2
34
5 N/C
N/CV
SS
V
DD
V
OUT
SA56606-XX
Figure 2. Pin configuration.
PIN DESCRIPTION
PIN SYMBOL DESCRIPTION
1 V
OUT
Reset High Output
2 V
DD
Positive Supply
3 V
SS
Ground. Negative Supply
4 N/C No connection
5 N/C No connection
MAXIMUM RATINGS
SYMBOL PARAMETER MIN. MAX. UNIT
V
DD
Power supply voltage –0.3 12 V
V
OUT
Output voltage – V
SS
– 0.3 V
I
OUT
Output current – 50 mA
T
oper
Operating temperature –40 85 °C
T
stg
Storage temperature –40 125 °C
P Power dissipation – 150 mW
Philips Semiconductors Product data
SA56606-XXCMOS system reset
2001 Jun 19
4
DC ELECTRICAL CHARACTERISTICS
Characteristics measured with T
amb
= 25 °C, unless otherwise specified.
SYMBOL
PARAMETER CONDITIONS
TEST
CIRCUIT
MIN. TYP. MAX. UNIT
V
S
Reset detection threshold V
S
– 2% V
S
V
S
+ 2% V
∆V
S
Hysteresis V
DD
= 0 V → V
S
+ 1.0 V → 0 V
V
S
× 0.03 V
S
× 0.05 V
S
× 0.08 V
V
S
/∆T Threshold voltage temperature
coefficient
–40 °C ≤ T
amb
≤ +85 °C
1
Fig. 17
– ±0.01 – %/°C
I
CC
Supply current V
DD
= V
S
+ 1.0 V – 0.25 1.0 µA
I
OH
I
DS
leakage current when OFF V
DD
= V
DS
= 10 V – – 0.1 µA
I
DS1
N-channel I
DS
output sink current 1 V
DS
= 0.5 V; V
DD
= 1.2 V –0.23 –1.4 – mA
I
DS2
N-channel I
DS
output sink current 2
(for V
S
> 2.6 V)
V
DS
= 0.5 V; V
DD
= 2.4 V
2
Fig. 18
–1.6 –8.3 – mA
I
DS3
N-channel I
DS
output sink current 3
(for V
S
> 3.9 V)
V
DS
= 0.5 V; V
DD
= 3.6 V –3.2 –14.7 – mA
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