LR38581 Timing Generator k/320 k-pixel Color CCDs with Dual-power
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LR38581
LR38581
Timing Generator k/320 k-pixel Color CCDs with Dual-power-supply Operation
CONNECTIONS
48-PIN
FH2B VDD5 FH1B TVMD PLCH TST4
LR38581 CMOS timing generator which generates timing pulses driving k/320 kpixel color area sensors with dual-powersupply operation processing pulses color video signals.
VIEW
TST3 SAD2 SAD1 ADCK VDD3 CDCK SGCK
OBCP PBLK FCDS VDD3 TST1 TST2 VDD5 VDD12
FEATURES
Designed k/320 k-pixel color area sensors with dual-power-supply-operation Switchable between NTSC modes Switchable between normal mirror images Level shifter readout shutter pulses included +3.3 +12.5 power supplies Package 48-pin (QFP048-P-0707) pin-pitch
(QFP048-P-0707)
absence confirmation device specification sheets, SHARP takes responsibility defects that occur equipment using SHARP devices shown catalogs, data books, etc. Contact SHARP order obtain latest device specification sheets before using SHARP device.
LR38581
BLOCK DIAGRAM
SGCK CDCK ADCK SAD2 SAD1 VDD3
TST3 TST4 PLCH TVMD COUNTER FH1B VDD5 SHUTTER CONTROL FH2B COUNTER DECODER LATCH RESET PRESET
VDD12 VDD5
LEVEL SHIFTER (12.5
LEVEL SHIFTER
LEVEL SHIFTER
TST2 TST1
OBCP
PBLK
FCDS
VDD3
LR38581
SYMBOL OBCP O4MA3 POLARITY NAME Optical black clamp pulse output input signal clamp pulse output Pre-blanking pulse output pulse output DESCRIPTION pulse clamp optical black signal. This pulse stays during absence effective pixels within vertical blanking. polarity changed PLCH (pin 39). pulse clamp input signal. polarity changed PLCH (pin 39). pulse that corresponds cease period horizontal transfer pulse. pulse sample-hold signal from CCD. O4MA32 polarity changed PLCH (pin 39). output phase selected serial data. pulse clamp feed-through level from CCD. polarity changed PLCH (pin 39). output phase FCDS selected serial data. VDD3 O4MA32 ICSU3 pulse output Ground Power supply Shift register clock input Shift register data input Strobe pulse input pulse sample-hold signal from circuit. polarity changed PLCH (pin 39). output phase selected serial data. grounding pin. Supply +3.3 power. input clock shift register, control functions LR38581. details, "Serial Data Control." input data shift register, control functions LR38581. details, "Serial Data Control." input strobe pulse, control functions LR38581. details, "Serial Data Control." input select mirror normal image mode Mirror mode selection level level open FH1B FH2B TST1 TST2 VDD5 ICD5 ICD5 O4MA52 O4MA52 O4MA52 Test Test Power supply Vertical transfer pulse output Vertical transfer pulse output Vertical transfer pulse output Normal image mode Mirror image mode
PBLK
O4MA3 O4MA3
FCDS
O4MA32
pulse output
ICSU3
ICSU3
ICU3
(Normal mode) open (Mirror mode)
test pin. open level normal mode. test pin. open level normal mode. Supply power. pulse drive vertical shift register. Connect CCD. pulse drive vertical shift register. Connect CCD. pulse drive vertical shift register. Connect CCD.
LR38581
SYMBOL VDD12 O4MA52 O12MHV O12MHV POLARITY NAME Vertical transfer pulse output connection Ground Readout pulse output Power supply pulse output DESCRIPTION pulse drive vertical shift register. Connect CCD. connection grounding pin. pulse that transfers charge photo-diode vertical shift register. Connect CCD. Supply +12.5 power. pulse that sweeps charge photo-diode electronic shutter. Connect CCD. Held level normal mode. input reference clock oscillation. Connect (pin with frequencies follows OSCI3 Clock input TVMD Frequency 28.63636 (1820 28.37500 (1816 Horizontal frequency OSCO3 Clock output Ground output reference clock oscillation. output inverse (pin 25). grounding pin. output generate pulses. frequencies follows SGCK O4MA32 clock output TVMD Frequency 14.31818 (910 14.18750 (908
output frequencies follows CDCK O4MA32 clock output TVMD VDD3 Power supply Ground Frequency 9.5035 (1820/3 9.4375 (1816/3
Supply +3.3 power. grounding pin. output converter. frequencies follows TVMD SAD2 (pin 36). Frequency 9.5035 (1820/3 9.4375 (1816/3
ADCK
O4MA32
clock output
output phase ADCK selected SAD1 (pin
LR38581
SYMBOL SAD1 SAD2 TST3 TST4 PLCH ICU3 ICU3 ICD5 ICD5 ICU5 POLARITY NAME Vertical reference pulse input DESCRIPTION input reference vertical pulse. Connect
Horizontal reference input reference horizontal pulse. pulse input Connect ADCK phase control input select phase ADCK. open open SAD1 input ADCK phase control input Test Test Polarity selection input mode selection input SAD2 Phase open open delay 180° delay 240° delay
test pin. open level normal mode. test pin. open level normal mode. input select polarity OBCP (pin (pin (pin FCDS (pin (pin input select standards. level level open NTSC mode mode
TVMD
ICU5
pulse reset charge output circuit. O4MA53 Reset pulse output Horizontal transfer pulse output Ground Power supply Horizontal transfer pulse output Horizontal transfer pulse output Horizontal transfer pulse output Ground Connect through offset circuit. output phase selected serial data. pulse drive horizontal shift register. Connect CCD. grounding pin. Supply power. pulse drive horizontal shift register. Connect CCD. pulse drive horizontal shift register. Connect CCD. pulse drive horizontal shift register. Connect CCD. grounding pin.
O4MA32 O4MA52 O4MA53 O12MHV OSCI3 OSCO3 Output (VDD Output (VDD Output (VDD Output (VDD 12.5 Input oscillation Output oscillation
ICU3 ICSU3
FH1B VDD5 FH2B
O4MA52 O4MA53 O4MA53 O4MA52
ICU5 ICD5 O4MA3
Input (CMOS level) Input (CMOS level with pull-up resistor) Input (CMOS schmitt-trigger level with pull-up resistor) Input (CMOS level with pull-up resistor) Input (CMOS level with pull-up resistor) Output (VDD
LR38581
Serial Data Control
SERIAL DATA INPUT TIMING
serial data shifted latched rising edge ED2. shutter mode data SMD1 SMD2 serial data latched rising edge horizontal SERIAL DATA INPUTS
DATA NAME Electronic shutter speed control FUNCTIONS
line which active, shutter speed data latched rising edge next horizontal line which active.
DATA
NAME SMD1 SMD2
FUNCTIONS Electronic shutter mode control
Phase control
ABSOLUTE MAXIMUM RATINGS
PARAMETER Supply voltage Input voltage SYMBOL VDD3, VDD5 VDD12 Output voltage Operating temperature Storage temperature VO12 TOPR TSTG RATING -0.3 +6.0 -0.3 +15.0 -0.3 VDD3 -0.3 VDD5 -0.3 VDD3 -0.3 VDD5 -0.3 VDD12 +150 UNIT
LR38581
ELECTRICAL CHARACTERISTICS Characteristics
PARAMETER Input "Low" voltage Input "High" voltage Input "Low" voltage Input "High" voltage Input "Low" voltage Input "High" voltage Hysteresis voltage Input "Low" current Input "High" current Input "Low" current Input "High" current Input "Low" current Input "High" current Input "Low" current Input "High" current Output "Low" voltage Output "High" voltage Output "Low" voltage Output "High" voltage Output "Low" voltage Output "High" voltage Output "Low" voltage Output "High" voltage Output "Low" voltage Output "High" voltage Output "Low" voltage Output "High" voltage
(VDD3 3.3±0.33 VDD5 5.0±0.5 VDD12 12.5±0.5 TOPR
SYMBOL VIL3 VIH3 VIL5 VIH5 |IIL3-1| |IIH3-1| |IIL3-2| |IIH3-2| |IIL5-1| |IIH5-1| |IIL5-2| |IIH5-2| VOL3-1 VOH3-1 VOL3-2 VOH3-2 VOL3-3 VOH3-3 VOL5-1 VOH5-1 VOL5-2 VOH5-2 VOL12 VOH12 VDD3 VDD3 VDD5 VDD5 -1.5 -1.5
Applied Applied Applied Applied Applied
CONDITIONS
MIN. 0.7VDD3
TYP.
MAX. UNIT 0.3VDD3
NOTE
0.75VDD3 0.02VDD3 0.045VDD3 VDD3 VDD3 VDD3 VDD5 VDD5 VDD12
output output output output output (O4MA3). (O4MA32). (O4MA52). (O4MA53). (O12MHV).
NOTES
Applied inputs (IC3, OSCI3). Applied input (ICU3). Applied input (ICSU3). Applied input (ICU5). Applied input (ICD5). Applied output (OSCO3). (Output (OSCO3) measures condition that input (OSCI3) level VDD3.)
PACKAGES CMOS DEVICES
PACKAGE
(QFP048-P-0707)
(Unit
0.5TYP. 0.08
0.2±0.08 (1.0) 7.0±0.2 9.0±0.3
0.15±0.05
(1.0)
7.0±0.2 9.0±0.3
(1.0)
(1.0)
0.65±0.2 1.45±0.2 0.1±0.1
Package base plane
8.0±0.2
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