HA12220 Hitachi Semiconductor, HA12220 Datasheet - Page 4

• Manufacturer Part Number: HA12220
• Description: CD-ROM Drive Head Amplifier IC
• Manufacturer: Hitachi Semiconductor

HA12220F
Pin Description and Equivalent Circuit (cont)
Pin No.
10
11
12
13
14
15
16
17
18
19
20
Rev.1, Apr. 1997, page 4 of 20
Pin Name
CI
CO
VC
XRST
CLK
DATA
XLT
FOK
MIRR
MIRH
DFT
Equivalent Circuit
20k
100k
20k
10k
20k
10k
V
V
V
4k
2.5k
CC
CC
CC
Function
FSA amplifier output monitor
Setting FOK reference voltage
Reference voltage output
Reset input
Serial data synchronous clock
input
Serial data input
Serial data latch input
FOK detection signal output
Mirror detection signal output
Mirror envelope hold signal
output
Defect detection signal output