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.

1

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.

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

PIN CONNECTIONS

LR38574

LR38574

Timing Generator IC for

1 090 k/1 310 k-pixel CCDs

1

48 47 46 45 44 43 42 41 40 39

37

13 14 15 16 17 18 19 20 21 22 23 24

2

3

4

5

6

7

8

9

10

11

12

36

35

34

33

32

31

30

29

28

27

26

25

OFDC

GND

OFDX

ID

HD

GND

VD

DCLK

CLK

CKO

CKI

38

48-PIN QFP

TOP VIEW

(QFP048-P-0707)