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A.l PRIMARY IC SPECIFICATIONS
This chapter describes the primary ICs used in this printer.
A.l.l SEIMA
Board
Table A-1 shows the primary ICs used on the SEIMA board.
Table A-1. SEIMA Board Primary ICs
Location
Name
Description
10C
HD64180R1P10
CPU
2A
E05A09BA
MCU
8B
E05A21AA
MMU
6B
E05A22EA
PHC
12C
E05A24GA
PIF
4B
E05A23GC
DCU
1D
SLA4390
HIC
3B
SLA7020M
HIC
5C,6C,7C
LZ1008AD
FET array
3C
TL494CN
PWM controler
2D
L5431-AA
Adjustable presision shant regurator
BT1
CR 17335SE-FT1
Litium battery
13E
MN6275A
C-MOS
13D
HD74HC292P
C-MOS
11 C
74LSOO
TTL
11 D
74LS32
TTL
9A
SN75188N
Quad line transmitter
8A
SN75189N
Quad line receiver
A-1
REV.-A
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