LR38574
LR38574 is Timing Generator IC for 1 090 k/1 310 k-pixel CCDs manufactured by Sharp Corporation.
DESCRIPTION
The LR38574 is a CMOS timing generator IC which generates timing pulses for driving 1 090 k/ 1 310 k-pixel CCD area sensors and processing pulses.
Timing Generator IC for 1 090 k/1 310 k-pixel CCDs
PIN CONNECTIONS
48-PIN QFP TOP VIEW
48 47 46 45 44 43 42 41 40 39 38 37
FEATURES
- Designed for 1/3-type 1 090 k/1 310 k-pixel CCD area sensors
- Frequency of driving horizontal CCD : 12.27 MHz
- Both double speed drive monitoring mode and still mode are possible
- Two still mode types : 3 fields period and 4 fields period
- External shutter control function with serial data input is possible
- +3 V and +4.5 V power supplies
- Package : 48-pin QFP (QFP048-P-0707) 0.5 mm pin-pitch
OFDC 1 V1x 2 VH1Ax 3 VH1Bx 4 V2x 5 VDD3 6 GND 7 V3x 8 VH3Ax 9 VH3Bx 10 V4x 11 OFDX 12 13 14 15 16 17 18 19 20 21 22 23 24 PBLK BCPX CLPX ADCK GND FCDS FS VDD3 ACLX RS GND VCON
SHTR DRMD FR TST3 VDD4 FH2 GND FH1 VDD4 CCD TST2 TST1 36 ID 35 ED2 34 ED1 33 ED0 32 HD 31 GND 30 VDD3 29 VD 28 DCLK 27 CLK 26 CKO 25 CKI
(QFP048-P-0707)
In the absence of confirmation by device specification sheets, SHARP takes no responsibility for any defects that may occur in equipment using any SHARP devices shown in catalogs, data books, etc. Contact SHARP in order to obtain the latest device specification sheets before using any SHARP device.
BLOCK DIAGRAM
DCLK GND CKO VDD3 CLK ED2 ED1 ED0 CKI 25 OSC TST1 37 TST2 38 CCD 39 VDD4 40 1/2 FH1 41 GND 42 FH2 43 RESET VDD4 44 TST3 45 FR 46 DRMD 47 SHTR 48 LEVEL SHIFTER RESET DECODER H COUNTER 1/2 1/8 RESET 20 VDD3 19 FS 18 FCDS 17 GND 16 ADCK 15 CLPX 14 BCPX 13 PBLK GATE DATA LATCH & SHUTTER CONTROL 24 VCON 23 GND 22 RS 21 ACLX 12 OFDX HD VD 29 ID 36
GATE
V COUNTER
1 OFDC
2 V1X
3 VH1AX
4 VH1BX
5 V2X
6 VDD3
7 GND
8 V3X
9...
