HA12188AF Ver la hoja de datos (PDF) - Hitachi -> Renesas Electronics

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HA12188AF

Pre-amplifier and servo IC for quadruple-speed CD-ROM

Hitachi -> Renesas Electronics 

Pin Descriptions and Equivalent Circuits (cont)

Pin No.

20

Symbol

DRT

Equivalent Circuit

VCC

10 k

HA12188AF

Function

Defect signal output or inner/outer

direction signal output

21

COUT

22

SENS

23

XRST

24

DC

25

XLT

26

DATA

27

CLK

28

LDS

29

DFIN

30

DFO

50 k

50 k

43 k

COUT output

SENS output

Reset input

DC input

XLT input

Data input

Clock input

Laser switch input

Defect comparator input

Defect envelope signal output

31

DFH

Defect hold signal output

Rev.1, Oct. 1995, page 5 of 35

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