LZ93N19
LZ93N19
Synchronous Signal Generator for CCD
PIN CONNECTIONS
DESCRIPTION
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).
44-PIN QFP
TOP VIEW
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FEATURES
● Switchable between 270000 pixels CCD and
●
●
●
●
320000 pixels CCD
Switchable between NTSC (EIA) and PAL
(CCIR) systems
Single +5 V power supply
External synchronization is possible
Package : 44-pin QFP(QFP044-P-101 O)
22 CKMD
FI 35
21 TST2
CPBL 36
20 FRP I
BCPI 37
19 FRP2
BCP2 3s
18 TST5
PBLK 39
17 CSYNC
16 CBLK
HG I 40
15 ENCP
HG2 41
14 LSW
WBLK 42
4FSC z
TST
I
44
13 LRST
12 TVMD
0
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BLOCK DIAGRAM
CPMD
CLKI
HG I
HG2
CKMD
CPBL
VRI
WHD
BF
ENCP
CFMI
CBLK
CSYNC
HBLK
HD
BCP I
BCP2
PBLK
4FSC
WBLK
CFMO
BFBL
LSW
FRP2
FRP I
VD
Vcc
FI
GND
GND
Em
TSTI TST2 TST3 TST4 TST5
S C H D TVMD SC~ S C 2
RPI
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U93N19
ABSOLUTE MAXIMUM RATINGS
PARAMHER
I SYMBOL I
RATING
Input voltaqe
– 0,3
-0.3
–20
VI
I
Output voltage
I UNIT
– 0.3 to 7.0
Vcc
Supply voltage
Vo
I
Operating temperature
Topr
Storaqe tem~erature
Tstr
v
to Vcc + 0.3
to
v
v
“c
–55 to +150
‘c
vm+o.3 I
to +70
DC CHARACTERISTICS
(VCC=5 V*1O%, Ta=–10 t o +70”C)
PARAMETER
SYMBOL
Input Low voltage
VIL
Input High voltage
vlH
Input High threshold voltage
VT+
lnDut Low threshold voltaqe
VT -
Hysteresis voltage
coNDITloNs
Output Low voltage
VOL
VOH
Leak Output current
UNIT
NOTE
1.5
v
v
1
0.9
10.811
IOL
=4
Vl=o v
Vl=o v
I IIH1 I
VI= Vcc
I IIH2 I
v!= Vcc
I Ioz I
High-Z
I
0.4
mA
IoH=– Z mA
Input Low current
Input High current
MAX.
IVCC
I IIL2 I
1IIL1
TYP.
3.5
I VT+-VT- I
Output High voltage
MIN.
4.0
8.0
8.0
–0,81
V
v
]Vl
v
v
2
3
1,0
,uA
4
60
PA
5
1,0
gA
6
60
VA
7
1.0
PA
8
NOTES :
1. Applied to all inputs except for VRI.
2. Applied to input (VRI),
3. Applied to all outputs.
4. Applied to all inputs except for VRI, LRST.
5. Applied to Inputs (VRI, LRST).
6. Applied to all inputs except for TST
7. Applied to Inputs (TST
1,
1,
TST2,
TST3 TST4, TST5
TST2, TST3, TST4, TST5).
8. Applied to output (EOO).
277
LZ93N19
?~
I SYMROL
- . . -----I 1/0 I . . - POLARITY
.- —----- I
vu.
PIN NAME
I
FUNCTION
A pulse to control color frame; occurs at every 4
1
CFMO
o
n
bier frame output
fields in NTSC rode, recurs at every 8 fields in PAL
mode.
An input pin for color frame signal. Connect to
2
CFMI
Ic
n
Color frame input
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.
3
TST3
ICD
—
4
Scl
o
m
Test terminal 3
A pin for tests, Set open of to L level in the Normal
mode.
An output pin fw color subcarrier. The frequency of
Subcarrier output 1
the signal is 1/4 the 4FSC frequency (pin 43). The
signal is reset by color frame pulse CFMI (pin 2).
An output pin for color subcarrier. When the phase
of SC I (pin 4) is 180 degree, the phase of SCZ is
5
SC2
o
ul
Subcarrier output 2
90 degree in NTSC mode in PAL mode, the phase
of SC2 is 90 degree when LSW (pin 14) is Low and
270 degree when LSW is High.
6
GND
—
7
WHD
o
—
n
Grouding
Wide Horizontal
drive output
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.
8
VRI
Icsu
v
The input pulse is necessary 1/2 horizontal max.
Vertical reset
delay from vertical synchronous start point, because
VRI is counted by 2 times horizontal frequency. set
open or to H level when not resetting.
9
BF
o
n
Burst flag
A pulse to define burst period.
At NTSC mode : holds H level.
10
BFBL
o
n
Burst flag blanking
At PAL mode
: stays at L level during the blanking period of BF (pin 9) otherwise,
stays at H level.
11
NC
—
—
Non connection
12
TVMD
Ic
—
TV mode
13
LRST
Icu
u
Line switch reset
278
A pin for no use.
An input pin to select TV standards.
At NTSC mode : L level
: H level
At PAL mode
The input resets the output from LSW (pin 14). Sei
open or to H level when not used.
LZ93N19
::,
SYMBOL
1/0
POLARITY
14
LSW
o
N
Line switch
15
ENCP
o
n
Encoder DC clamp
16
CBLK
o
n
FUNCTION
PIN NAME
timposite blanking
pulse
17
CSYNC
o
v
18
TST5
ICD
—
19
FRP2
o
n
Frame read pulse 2
n
Frame read pulse 1
Composite synchronous
signal
Test terminal 5
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
; H : 12.12 MS, V : 25 H period
A composite synchronous signal.
Apinfor totests, Setopenorto Llwel inthem
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 seNo. The PUIS
20
FRPI
o
occurs at odd fields and its repetition is frame
period.
21
TST2
ICD
—
Test terminal 2
A pin fm to tests. Set ~n w to L Iwel in the Mti
mode.
A pin to select the factor of frequeny divisions,
22
CKMD
Ic
—
Clock mode select
Division
1/3
1/4
CKMD
LOW
HIGH
Set to L level for ml 13, LZ2114, ~123, ~124,
U2313, LZ2314, LZ2323 or U2324.
23
TST4
ICD
–
24
HBLK
o
u
Test terminal 4
A pin f(x to t=ts. % open of to L level in h M
mode.
Horizontal blanking
A pulse that corresponds to the cease period of
pulse
the horizontal transfer pulse.
An input pin to stop or continue BCP I (pin 37) and
BCP2 (pin 38) pulses within the vertical blanking
25
CPMD
Ic
—
Clamp Pulse mode
seldct
period.
L level : continuous output.
H level : becomes Low level during the absence of effective pixels within V
blanking period.
26
GND
–
–
Grounding
A grounding pin.
279
LZ93N19
~:.
SYMBOL
1/0
POIARITY
Main clock
An input pin for reference clock,
tinnect to D OUT (pin 3) of timing LSI (U93N61 ) or
DO (pin 3) of timing LSI; following frequencies appear on this pin;
At NT3C mode : 9.534964 MHz when CKMD = L level
12.713285 MHz when CKMD = H level
At PAL mode : 9.656250 MHz when CKMD = L level
12.875 ~ MHz when CKMD = H level
Power supply
Supply +5 V Wwer.
—
Phase comparator
output
Phase comparator output for input signals RPI (pin
32) and CPI (pin 30). When CPI is advanced, output
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.
27
CLKI
Ic
nr
28
Vcc
—
—
29
EOO
TO
FUNCTION
PIN NAME
30
CPI
Ic
–
Horizontal comparison
input
31
HD
o
n
Horizontal drive pulse
The pulse occurs at the start of lines. Connect to
timing LSI.
n
Horizontal reference
input
An input pin for the reference horizontal signal to
the phase comparator. Connect to HD (pin 31) when
comparator is used, Set to L level when comparator
is not used.
32
RPI
Ic
33
SCHD
o
n
Subcarrier HD
A horizontal synchronization pulse obtained by dividing 4FSC (pin 43).
At NTSC mode : dividing into 1 /91 O 4FSC.
At PAL mode : dividing into 1/} 135 4FSC ordinarily and dividing into 1/1 137
4FSC during one horizontal period within the V blanking,
34
VD
0
n
V drive pulse
The pulse occurs at the start of every field. Connect to VDI (pin 2) of timing LSI (LZ93N61 ) or VDI
(Pin 1) of timing LSI (U92E62).
35
FI
o
N
Filed index
The pulse is used for detecting field.
At NTSC mode : 1st field; LOW
2nd field; HIGH
At PAL mode : 1st and 3rd field; LOW
2nd and 4th field; HIGH
36
CPBL
Ic
n
Blanking clamp pulse
When the input is High, BCPI (pin 37) and BCP2
(pin 36) are Low.
LZ93N19
PIN
~~
SYMBOL
1/0
POLARITY
PfN NAME
FUNCTION
A pulse to clamp the optical black signal. This pulse
is continuous at horizontal cycle when CPMD (pin
37
BCP I
o
n
Optical black
25) and CPBL (pin 36) are Low. men CPMD is High
clamp pulse 1
and CPBL is Low, output stays Low during the absence of effective pixels within the Vertical blanking, otherwise is continuous at horizontal cycle.
Optical black
BCP2 is h m as BCPI (pin 37) except that BCP2
clamp pulse 2
is delayed by 900 ns from BCP
38
BCP2
o
n
39
PBLK
o
n
Pre-blanking pulse
Equivalent to CBLK (pin 16) pulse except for shorter
output
pulse width with cut-off trailing edge.
40
I-IG I
o
l-u
Line index pulse 1
1.
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
41
HG2
o
N
Line index pulse 2
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.
42
WBLK
o
n
Wide blanking pulse
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 subcarrier frequeny.
43
4FSC
Ic
N
4FSC input
At NTSC mode : 14,318180 MHz
At PAL mode
: 17.734475 MHz
Connect to L level, when SCI (pin 4) and SC2 (pin
5) signals are not required.
44
TSTI
ICD
—
Test terminal 1
A pin for tests. Set open or to L level in the Normal
mode.
Ic
: Input pin (CMOS level).
ICU : Input pin (CMOS level with pull-up resistor).
ICD : Input pin (CMOS level with pull-down resistor).
ICSU : Schmiti-trigger Input pin (CMOS level with pull-up resistor)
: Output pin.
o
TO : Tri-state output pin.
281
LZ93N19
TIMING DAIGRAM
VERTICAL TIMING < NTSC >
5235245251
HD
VD
FI
CBLK
CSYNC
PBLK
BF
WHD
BCPI M
HGI
HG2
FRPI
CFMO
234
56789101112131415
16171619202122232425
n n n n n n n n n n n n n n n n n n n n n n n n n n n n
n n n
UU!JUUU I u u u u u IJ u u u u
u I u
n
n n n
n n n n n n n n n n n n
JI n n n
n n n n n n n n n n n n n n n n n n n n n n n n
n n
n n n n n n
u
n
n
n
1
u [
n n n
J n n
n n n
n n n
,
1/2 ~ Field
* CPMD = H
HD
VD
FI
CBLK
C.SYNC
PBLK
BF
HD
BCPI,*
HG I
HG2
FRP2
CFMO
260261262263264265266 267266269270271272273 274275276277276279 ~ 261262 2832642652% 267
n n n n n n n n n n n n n n n n n n n n n n n n n n n n
n n n
u u u
nfl n
n n n
n n n
I
I
n~ n
uuuuuuu~uuuuu u u u u u H u u u u u u
m n
n n n n n n n m n n n n
n
n n n n n n n n n n n n n n n n n n n n n n
n n
n n n
r
* CPMD = H
282
I
n
u
n
n
n
n
n
H
n
n
n
n
n
I
n
n
n
n
LZ93N19
VERTICAL TIMING < PAL >
(Ist, 3rd flELD)
2 3 4 5 6 7 8 9 1 0 1 1 1 2
621622623624625
HD
n
n
n
J
n
n
J
n
J
n
n
n
n
n
1 3 1 4 1 5 1 6 1 7 1 8 1 9 2 0 2 1 2 2 2 3
n
n
n
n
n
n
2 4
n n n n n n n
n
I
I
VD
n
FI
CBLK
CSYNC
PBLK
BF (1)
BF (3)
u u u~nu u u u u u u u u u u u u u u u u u
n
n n n n n n n n n n n n n n n n n
n n
n n n n n n n n n n n n n n n n n n
n
n
n
~-
BFBL (1)
BFBL (3)
u
n
7
I
LSW (1)
LSW (3)
WHD
BCP1,2*
n n n n n n n n n n n n n n n n n n n n n n n
n n n n n
n n n n n
n n n
11
HG,
HG2
FRPI
I
I
[
CFMO
1/2 1st Field
* CPMD=H
(2nd, 4th FIELD)
30931031 1312313314315316317318319320321 322323324325326327328329330331 332333324335336337
HD
0
n
n
n
n
n
n
n
J
n
n
n
J
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
VD
FI
CBLK
CSYNC
PBLK
.
n
BF (4)
J
1
BFBL (4)
LSW (2)
,
n
UL
u u u~uuuu u u u u u u u u u u u u u u u u u u u
BF (2)
BFBL (2)
1
.
UJ
n n n n n n n n n n n n n n n n n n n
n n n n n n n n n n n n n n n n n n
n
I
I
n n n n n n n n n n n n n II n n n n n n n n n n n n J n n
LSW (4)
WHD
BCP 1,2*
n n n
n n n n
HGI
FRPI
I
1
CFMO
* CPMD = H
283
LZ93N19
HORIZONTAL TIMING < NTSC >
o
HD
Unit : ,US
629
I
1
CBLK
157
629
CSYNC
157
A
(EQ)
–3,15
1,57
(SAW)
6.92
9,44
BF
079 2.05
BCPI
!
1,57 2.s3
BCP2
ENCP
629
HGI 2
PBLK
–787
18E9
WBLK
HBLK
B
c
I
I
WHD
SCHD
VD
A
o
FRPI .2
CFMO
~“
6.29
NOTES :
●
Applied to the CCD of 542 horizontal pixels (CKMD = L) A = 2.31 ps, B = 2.94 ,US, C =8.60 ,US
. Applied to the CCD of 762 horizontal pixels (CKMD = H) A =2.36 /s, B = 2.91 p?., C=8.57 ps
284
LZ93N19
HORIZONTAL TIMING < PAL >
o
Unit : ps
6,21
HD
o
12,12
CBLK
1.55
621
CSYNC
1.55
(EQ)
~
155
–311
(SAW)
714
BF
932
L
078 280
BCPI
~..
155 280
BCP2
310
590
ENCP
HGI
2
PBLK
WBLK
HBLK
WHD
SCHD
VD
FRPI 2
CFMO
~“
6,21
1,55
LSW
NOTES :
● Applied to the CCD of 542 horizontal pixels (CKMD
= L) A = 2.28 PS, B = 2.90 /s, C = 9.73 PS
● Applied to the CCD
= H) A=2.33 /s, B = 2.87 /s,
of 762 horizontal pixels (CKMD
C =
9.70 ES
285
LZ93N19
“WBLK”,
“CBLK” TIMING < NTSC >
Unit : ps
(ODD FtELD)
492
493
525
1
;+- ,L
WBLK
~“
‘~
118.5 H+ 18.88 PS
(EVEN FIELD)
230
231
263
232
CBLK
~,
WBLK
~’
264
n
349
350
351
PO ,—x~
‘~
118.5 H+7.87 US
“WBLK” , “CBLK” TIMING < PAL >
(Ist, 3rd FIELD)
586
C B L K
WBLK
%7
W
_n_n_n—,
623
100
624
n
101
25 H~~
~’
137.5 H +20.51 U S
(2nd, 4th HELD)
274
275
276
310
311
336
412
413
414
CBLK
~~+~~
WBLK
~
137.5 H +8.39 X5
“~