LZ95D71 U95D71 CMOS timing generator which provides timing pulses
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LZ95D71
LZ95D71
U95D71 CMOS timing generator which provides timing pulses used drive area sensor, combination with (LZ95D52/M).
Timing Pulse Generator
CONNECTIONS
48-PIN
XXO* VIEW
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FEATURES
Switchable between 410000 pixels
DS2X PSMD TVMD PWMD SLCT TEST
VHIX OFDX
470000 pixels Switchable between NTSC (EIA) (CCIR) systems Internal electronic shutter Shutter speed selectable from (PAL /50), /250, /500, 000, 000, 1/10 addition this, 1/100 (PAL 1/120 flicker -less mode using parallel code. Shutter speed also controlled period using serial code Single power supply Package 48-pin QFP(QFP048-P-0707)
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abwnce confImtIOn
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U95D71M ABSOLUTE MAXIMUM RATINGS
PARAMHER Supply voltage Input voltage Output voltage Operation temperature Storage temperature SYMBOL RATING UNIT
+7.0
-0.3 VE+O.3
-0.3 +0.3
Topr Tstg
+t50
(VCC=+5 IO%, +7VC)
CHARACTERISTICS
PARAMHER Input voltage Input High voltage Input current Input High current Output High voltage Output voltage Output High voltage Output voltage Output High voltage Output voltage Output High voltage Output voltage Output High voltage
OUtDUt VOltaQe
SYMBOL
CONDITIONS
MIN.
TYP.
MAX.
UNIT
NOTE
flL1 IIL2 IIH1 ilH2
Vl=o Vl=o
IoH=-
VOHI
vOL1
VOH2 VOL2 VOH3 VOL3 VOH4 VOL4 VOH5 VOL5
la=4
IoH=-
IOH=
IoH=-8
loH= la=16
NOTES Applied
inputs (IC, ICD, ICU, OSCI).
Applied inputs (IC, ICD, OSCl). Applied input (lCD). Applied inputs (IC, ICU, OSCI). Applied input (lCD). Applied outputs OR1, OSCO). Applied output (OR1 Applied output (ORI Applied output (OR1 Applied output (OR1
LZ95D71
SYMBOL
POIARtTY
NAME
FUNCTION input reference clock oscillation. frequencies follows NTSC mode 28.63636 (1820 mode 28.37500 (1816 (fH=Horizontal frequency) input reference clock oscillation. output inverse (pin input directly control shutter speed. details, shutter control, input control shutter speed. details, shutter control. input control shutter speed. details, shutter control. input control shutter speed. details, shutter control. grounding pin. input Select Shutter mode. details, shutter control. input Select Shutter mode. details, shutter control, Pins control phase between rising edge (pin (pin 12).
Oscl
Clock input
TRIG SMDI SMD2
Osco
Clock output Trigger input Shutter speed switching input Shutter speed switching input Shutter speed switching input Ground Shutter mode select input Shutter mode select input phase control input phase control input
ORIC Reset pulse phase control input phase control input ORIA Last horizontal transfer pulse Power supply Horizontal transfer pulse Horizontal transfer pulse horizontal transfer pulse last gate CCD. tinnect without inversing driver. Supply power. horizontal transfer pulse CCD. Connect without inversing driver. horizontal transfer pulse CCD. Connect without inversing driver. reset pulse CCD. Correct through offset circuit. Pins control phase betwean falling edge (pin (pin 32).
LZ95D71
CVMRnl.
MLARITV
NAME Ground phase control input grounding pin.
FLfNCTION
Pins control phase between rising edge (pin falling edge (pin 33).
phase control input pulse that sweeps charge photodiode electrical shutter. held level Normal mode. vertical transfer pulse CCD, Connect LR36683N driver LSI. pulse that transfers charge photodiode vertical shift register, Connect LR36663N driver LSI. vertical transfer pulse CCD. Connect LR3&83N driver LSI, vertical transfer pulse CCD. Connect LR3&83N driver LSI. pulse that transfers charge photodiode vertical shift register. tinnect LR36663N driver LSI. vertical transfer pulse CCD. Connect LR36683N driver LSI, input control VHIX (pin 21), VH3X (pin 27). level open Normal VHIX VHZX. level VHIX VH2X held High level. Supply power. grounding pin. pulse clamp feed through level from CCD. pulse sample-hold signal from CCD. output color sampling pulse color demodulation based upon outpti signal froin output color sampling pulse color demodulation based output signal frcfn CCD. output driving pulse (DL1 line sampling pulse (SHI These changed with SLCT (pin 47). output driving pulse (DL2X) delay line sampling pulse (DH2). These changed with SLCT (pin 47).
OFDX
pulse output
Vertical transfer pulse
Read pulse
Vetilcal transfer pulse Vertical transfer pulse
VH3X
Read pulse
Vertical transfer pulse Read pulse contro input Power supply Ground pulse Pulse co;: ~mpling
CNTV
SPIX
ORIB
SP2X
Color sampling pulse
Pulse output
DS2X
Pulse output
LZ95D71M
SYMBOL
POLARITY
NAME SPIX, SP2X phase control input Clamp pulse
FUNCTION Pins control phase between rising edge (pin falling edge SPIX (pin SP2X (pin 35). pulse clamp dummy outputs CCD. Pins control phase between rising edge (pin falling edge SPIX (pin SP2X (pin 35).
SPIX, SP2X phase control input
frequency dividing pulse reference clock (pin Connect clock input terminal LSI. NTSC mode 14.31818 (910 mode 14.18750 (908 input select shutter speed data. level Pararell Data Input mode, level Serial Data Input mode. input horizontal reference signal. tinnect LSI. input vertical reference signal. Connect LSI, input select standards. level NTSC mode. level open mode, input Power Save mode, level open output pulses occurred. level (pin output occurred. input switching DS2X level open DL2x level SH2. test pin. open level Normal mode,
dividing
PSMD
Shutter mode select input
Horizonal reference
Vetilcal reference
TVMD
mode select
PWMD
Power save input
SLCT
Pulse select input
TEST
Test
ORI, ORIA, ORIB, ORIC, ORID Oscl Osco
Input (CMOS level). Input (CMOS level with pull resistor). Input (CMOS level with pull down resistor). Output pin. Input oscillation. Output oscillation.
LZ95D71
NOTES
Shutter Speed Control Shutter mode
TRIG
SMDI
SMD2
SHUTTER MODE
Normal mode Flicker-less Shutter mode High Speed Shutter mode
This mode Normal Shutter mode. 1/60 NTSC mode, 1/50 mode Flicker-less mode. 1/100 NTSC mode, 1/120 mode. This mode higher shutter speed than Normal mode. This mode effective High Spaed Shutter mode. OFDX pulse held level after TRIG input "Low". Whenever TRIG input "Low" shutter stopped FlickerIess Shutter mode High Speed Shutter mode. necessary with EDo= ED2= (1/1 0000 wide variable shutter speed.
External Shutter mode
Input format etrutier speed control date PSMD INPLIT FORMAT
Pararell data input
There 8-shutter speed. (NTSC), (PAL), /250, /500, 000, 000, 1/4000, l/lomo possible switching period. strobe, clock, data
Serial data input
Pararell data input
MODE TVMD PSMD SMD1 SMD2
SH~ER SPEED
Normal mode Flicker-less mode
1/100 1/120 1/125 /250 /500 1/10000
High Speed Shutter mode
LZ95D71M
Sarial data inpti
(Strobe)
(Clock)
(Data) (LSB) SMD2 Dummy (MSB)
calculate method shutter speed, NTSC 249) 63.56+25.28 (2505 ns509) 299) 64.00+25.52 (200< n<509)
Sbulter tabla
lfMD
SMD2 PSMD
[Fin
SERIAL DATA
.SHWER SPEED
1/10000
1256 1/2127 /501 /252 1/125 1/100 1/11 1/2112 /498 /250 1/125 1/120 1/100 1/120
/500 /250 1/125 1/100 1/10000 /500 /250 1/125 1/120 1/100 1/120
LZ95D71M
Characteristics Serial Data
SYMBOL
CON~
pulse width Setup time Setup time SetuD time
MIN. MAX.
\20ns150ys 120nsl
Hold time
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