The LZ93N19 is a CMOS synchronous signal
generator LSI which provides TV synchronous
pulses and video signal processing pulses, in
combination with the timing signal generator LSI
(LZ93N61, LZ93F50, LZ93F33 or LZ95D37/M).
FEATURES
●
Switchable
320000 pixels CCD
●
Switchable between NTSC
(CCIR)
●
Single +5 V power supply
●
External synchronization is possible
●
Package : 44-pin QFP(QFP044-P-101 O)
BLOCK DIAGRAM
CLKI
CKMD
VRI
CFMI
4FSC
Vcc
GND
GND
between 270000 pixels
systems
(EIA)
CCD
and
and PAL
Synchronous Signal Generator for CCD
PIN CONNECTIONS
101II
m
TOP VIEW
CKMD
21
TST2
I
19
FRP2
18
TST5
17
CSYNC
16
CBLK
ENCP
15
14
LSW
13
LRST
12
TVMD
/
CPMD
HG
I
HG2
CPBL
WHD
BF
ENCP
CBLK
CSYNC
HBLK
HD
BCP
I
BCP2
PBLK
WBLK
CFMO
BFBL
LSW
FRP2
FRP
I
VD
FI
Em
44-PIN QFP
c1
I–
oao E8u~zamm
vJKIow>uuoxf-
{
VD
3422
FI
35
CPBL
3620 FRP
BCPI 37
BCP2 3s
PBLK
39
HG I40
HG2
41
WBLK 42
4FSC
z
TST I44
0
~ll121131[4115f16f17f18f19
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u
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~~~ I “In
tie
ab?ence of Conftmahon by dev!ce
data
hks, etc bntact
WARP
TSTI TST2 TST3 TST4 TST5
swficafm
Weets
to
obti(n
WARP
be
Iatesf vefslon
!n
waler
@kes no
of
tie
&v!ce
SCHD
rewn~bilfi br any
s~ificahm sheek kb
TVMD
defects
hat cccur
using any WARPSdevce,’
SC~
SC2
In
RPI
quiprnent us,ng any of
CPI
WARPS dev+ce, shown
n
cahl@s,
ABSOLUTE MAXIMUM RATINGS
PARAMHER
Supply voltage
Input
voltaqe
Output voltage
Operating temperature
Storaqetem~erature
I
SYMBOL
Vcc
VI
I
Vo I -0.3 to
Topr
Tstr
I
RATING
–
0.3
to
7.0
–
0,3
to Vcc +
0.3v
vm+o.3 I
–20 to +70
–55 to +150‘c
I
UNIT
v
v
“c
U93N19
DC
CHARACTERISTICS
PARAMETER
Input Low voltage
Input High voltage
Input High threshold voltage
lnDut
Low threshold voltaqeVT -
Hysteresis voltage
Output Low voltage
Output High voltage
Input Low current
Input High current
Leak Output current
NOTES :
1. Applied to
2. Applied to
3. Applied to
4. Applied to
5. Applied to
6. Applied to
7. Applied to
8. Applied to
all inputs except for
input
(VRI),
all outputs.
all inputs except for VRI, LRST.
Inputs
(VRI, LRST).
all inputs except for TST 1, TST2, TST3
Inputs (TST 1, TST2, TST3, TST4, TST5).
output
(EOO).
SYMBOL
VT+
I
VT+-VT-
VOL
VOH
1
I IIL2 I
I
I
I
Ioz
VRI.
VIL
vlH
IIL1 I
IIH1 I
IIH2 I
I
(VCC=5
coNDITloNs
MIN.TYP.MAX.
3.5
0.9
I
IOL
=4
mA
IoH=–
Z
mA
10.811
4.0
Vl=o v
Vl=o v
VI=
Vcc
v!= Vcc
High-Z1.0
TST4, TST5
8.060
8.0
V*1O%, Ta=–10
1.5
IVCC
–0,81
]Vl
0.4
1,0
1,0
60
to +70”C)
UNITNOTE
v
v
V
v
v
v
,uA
PA
gA
VA
PA
1
2
3
4
5
6
7
8
277
?~I
vu.
1
2
SYMROL I
- . . -----
CFMO
CFMI
1/0 I POLARITY
. . -
.- —-----
o
Ic
n
n
LZ93N19
I
PIN NAME
bier frame outputfields in NTSC rode, recurs at every 8 fields in PAL
Color frame input
I
A pulse to control color frame; occurs at every 4
mode.
An input pin for color frame signal. Connect to
CFMO (pin 1) in Internal Synchronous mode. Connect to external color frame signal in External Synchronous mode. Connect to L level when 4FSC (pin
43) is set to L level.
FUNCTION
TST3
3
Scl
4
5
SC2
GND
6
7WHD
VRI
8
9
10
BF
BFBL
ICD
o
o
——
o
Icsu
o
o
—
Test terminal 3
m
ul
n
v
n
n
Subcarrier output 1the signal is 1/4 the 4FSC frequency (pin 43). The
Subcarrier output 290 degree in NTSC mode in PAL mode, the phase
Grouding
Wide Horizontal
drive output
Vertical reset
Burst flag
Burst flag blanking
A pin for tests, Set open
mode.
An output pin fw color
signal is reset by color frame pulse
An output pin for color subcarrier. When the phase
of SC I (pin 4) is 180 degree, the phase of
of SC2 is 90 degree when LSW (pin 14) is Low and
270 degree when LSW is High.
A grouding pin.
An output pin for wide horizontal drive pulse. The
pulse width is equal to that of PBLK (pin 39) and
the repetition is horizontal frequency.
An input pin for resetting internal vertical counter.
The input pulse is necessary 1/2 horizontal max.
delay from vertical synchronous start point, because
VRI
is counted by 2 times horizontal frequency. set
open or to H level when not resetting.
A pulse to define burst period.
At NTSC mode : holds H level.
At PAL mode
: stays at L level during the blank-
of
to L level in the Normal
subcarrier.
ing period of BF (pin 9) otherwise,
stays at H level.
The frequency of
CFMI (pin 2).
SCZ
is
11
12TVMD
13LRST
278
NC
——
Ic
Icu
Non connectionA pin for no use.
—
TV
mode
u
Line switch reset
An input pin to select TV standards.
At NTSC mode : L level
At PAL mode
The input resets the output from LSW (pin 14).
open or to H level when not used.
: H level
Sei
LZ93N19
::,
SYMBOL
14
LSW
15
ENCP
16CBLK
17
CSYNC
TST5
18
19FRP2
FRPI
20
21
TST2
22CKMD
1/0
o
o
o
o
ICD
o
o
ICD
Ic
POLARITY
N
n
n
v
—
n
n
—
—
PIN NAME
Line switch
Encoder DC clamp
timposite
pulse
Composite synchronous
signal
Test terminal 5
Frame read pulse 2
Frame read pulse 1occurs at odd fields and its repetition is frame
Test terminal 2
Clock mode select
blanking
The signal switches between H and L at every line.
It is set at Low level at the 1st line of the 1st field.
A clamp pulse that is used for recovering DC level.
The repetition is horizontal frequency.
Compcsite blanking pulses.
In NTSC mode; H : 11.01 ps, V : 20 H period
In PAL mode
A composite synchronous signal.
Apinfor
totests,
mode.
A clock output that is used for VTR=rvo. The pulse
occurs at even fields and its repetition is frame
period.
A clock output that is used for VTR
period.
A pin
fm
to tests. Set ~n w to L Iwel in the
mode.
A pin to select the factor of frequeny divisions,
Division
CKMD
Set to L level for ml 13, LZ2114,
U2313, LZ2314, LZ2323 or
FUNCTION
; H : 12.12
Setopenorto Llwel inthem
1/31/4
LOW
MS,
V : 25 H period
seNo.
HIGH
~123, ~124,
U2324.
The PUIS
Mti
TST4
23
24
HBLK
25CPMD
GND
26
ICD
o
Ic
––
–Test terminal 4
u
Horizontal blankingA pulse that corresponds to the cease period of
pulse
Clamp Pulse mode
—
seldct
Grounding
A pin
f(x
to
t=ts. %
open of to L level in h
mode.
the horizontal transfer pulse.
An input pin to stop or continue BCP
BCP2 (pin 38) pulses within the vertical blanking
period.
L level : continuous output.
H level : becomes Low level during the ab-
sence of effective pixels within V
blanking period.
A grounding pin.
M
I
(pin 37) and
279
LZ93N19
~:.
SYMBOL
27CLKI
28
29
30
31
32
Vcc
EOO
CPI
HD
RPI
1/0
POIARITY
Ic
——
TO
Ic–
o
Ic
nr
n
n
PIN NAME
An input pin for reference clock,
tinnect
to DOUT (pin 3) of timing LSI (U93N61 ) or
DO (pin 3) of timing LSI; following frequencies ap-
Main clock
Power supply
Phase comparator
—
output
Horizontal comparison
input
Horizontal drive pulse
Horizontal referencethe phase comparator. Connect to HD (pin 31) when
input
pear on this pin;
At
NT3C
mode : 9.534964 MHz when CKMD = L level
At PAL mode : 9.656250 MHz when CKMD = L level
Supply +5 V
Phase comparator output for input signals RPI (pin
32) and
CPI
(pin 30). When
is Low level. When CPI is delayed, output is High
level, When phases are equal, the terminal impedance is High.
An input pin for comparison horizontal signal to the
phase comparator. Connect to SCHD (pin 33) when
comparator is used. Set to L level when comparator
is not used.
The pulse occurs at the start of lines. Connect to
timing LSI.
An input pin for the reference horizontal signal to
comparator is used, Set to L level when comparator
is not used.
FUNCTION
12.713285 MHz when CKMD = H level
12.875 ~ MHz when CKMD = H level
Wwer.
CPI
is advanced, output
33
34
35
36
SCHD
VD
FI
CPBL
o
0
Ic
A horizontal synchronization pulse obtained by dividing 4FSC (pin 43).
At NTSC mode : dividing into 1 /91 O 4FSC.
n
n
o
N
n
Subcarrier HD
V drive pulse
Filed index2nd field; HIGH
Blanking clamp pulse
At PAL mode : dividing into
narily and dividing into 1/1 137
4FSC during one horizontal period within the V blanking,
The pulse occurs at the start of every field. Connect to VDI (pin 2) of timing
1)
of timing
(Pin
The pulse is used for detecting field.
At NTSC mode : 1st field; LOW
At PAL mode : 1st and 3rd field; LOW
When the input is High, BCPI (pin 37) and BCP2
(pin 36) are Low.
LSI
(U92E62).
2nd and 4th field; HIGH
1/}
135 4FSC ordi-
LSI (LZ93N61
) or VDI
PIN
~~
37
SYMBOL
BCP
LZ93N19
1/0
POLARITY
I
o
n
PfN
NAME
A pulse to clamp the optical black signal. This pulse
is continuous at horizontal cycle when CPMD (pin
Optical black
clamp pulse 1and CPBL is Low, output stays Low during the ab-
25) and CPBL (pin 36) are Low.
sence of effective pixels within the Vertical blank-
ing, otherwise is continuous at horizontal cycle.
FUNCTION
men
CPMD is High
BCP2
38
PBLK
39
40
41
42WBLK
434FSC
44
I-IG
HG2
TSTI
—
Optical black
clamp pulse 2is delayed by 900 ns from BCP
Pre-blanking pulse
output
Line index pulse 1
Line index pulse 2
Wide blanking pulse
4FSC input
Test terminal 1
o
o
I
o
o
o
Ic
ICD
n
n
l-u
N
n
N
BCP2 is
Equivalent to CBLK (pin 16) pulse except for shorter
pulse width with cut-off trailing edge.
The pulse is used in color separator. The signal
switches H and L at every line. It resets at the
14th line when in NTSC, and at the 9th line when
in PAL mode.
The pulse is used in color separator. The signal
switches H and L at every line. It resets at the
277th line when in NTSC, and at the 322th line
when in PAL mode.
Equivalent to CBLK (pin 16) except that its pulse
width is wider than that of CBLK.
An input pin for the signal 4 times the color
carrier frequeny.
Connect to L level, when
5) signals are not required.
A pin for tests. Set open or to L level in the Normal
mode.
h m
as BCPI (pin 37) except that BCP2
1.
At NTSC mode : 14,318180 MHz
At PAL mode: 17.734475 MHz