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Reference Information
iSBC 432/100
Table 5-1. Replaceable Parts
Reference
Description
Mfr. Part
Mfr.
Qty
Designation
No.
Code
A7,50
, IC, Intel 8205, 3-to-8 Decoder
8205
COML
2
A21
IC, Intel 8251 A, USART
8251A
COML
1
A36
IC, Intel 8253,
P~ogrammable
Interval Timer
8253
COML
1
A47,48,49,54
IC, Intel 8283, Octal Latch
8283
COML
4
A41
IC, Intel 8284, Clock Generator
8284
COML
1
A19,20,51,52,
IC, Intel 8287, Octal Transceiver
8287
COML
6
53,55
A46
IC, Intel 8288, Bus Controller
8288
COML
1
A45
IC, Intel 8289, Bus Arbiter
8289
COML
1
A5
IC, Intel 43201, General Data Processor
43201
COML
1
A6
IC, Intel 43202, General Data Processor
43202
COML
1
A14
IC, 74LS02, Quad 2-lnput NOR Gates
SN74LS02
Tl
1
A9,35
IC, 74LS04, Hex Inverters
SN74LS04
Tl
2
A56,58
IC, 74LS10, Triple 3-lnput NANO Gates
SN74LS10
Tl
2
A22,23,26
IC, 74LS74, Dual D Flip-Flops
SN74LS74
Tl
3
A29
IC, 74LS125, Quad Three-state Bus Buffers
SN74LS125
Tl
1
A 17 ,31,32,33
IC, 74LS163, Binary 4-Bit Counter
SN74LS163
Tl
6
34,57
A43
IC, 74LS164, 8-Bit Shift Register
SN74LS164
Tl
1
A38
IC, 74LS175, Quad D Flip-Flops
SN74LS175
Tl
1
A18,24,25
IC, 74LS273, Octal D Flip-Flops
SN74LS273
Tl
3
A15,16
IC, 74LS283, 4-Bit Full Adders
SN74LS283
Tl
2
A44
IC, 74LS367, Hex Bus Drivers
SN74LS367
Tl
1
A4,39
IC, 74SOO, Quad 2-lnput NANO Gates
SN74SOO
Tl
2
A13
IC, 74S08, Quad 2-lnput AND Gates
SN74S08
Tl
1
A28,40
IC, 74S32, Quad 2-lnput OR Gates
SN74S32
Tl
2
A1,30
IC, 74S74, Dual D Flip-Flops
SN74S74
Tl
2
A37
IC, 74S139, Dual 2-to-4 Decoder
SN74S139
Tl
1
A2,3
IC, 748140, Dual 4-lnput Line Driver
SN74S140
Tl
2
A11
IC, 75188, Quad Line Driver
SN75188
Tl
1
A10
IC, 75189A, Quad Line Receiver
SN75189A
Tl
1
A8
IC, 82$100, FPLA
828100
SIG
1
A12
Oscillator, Crystal, 20.000 MHz
K1100A
MOT
1
C52
Cap., mica, 10pF, 5%, 100V
OBD
COML
1
C15
Cap., cer, 330pF, 10%, 50V
OBD
COML
1
C1-3,12-14,
Cap., cer, .01µF, +80 -20%, 50V
OBD
COML
51
16,20,22,
24-26,28,29,
31-51,53-68
C5,11,18,19
Cap., cer, .1µF, +80-20%, 50V
OBD
COML
4
C6-9,21,23,
Cap., cer, RDL, .1µF, +80-20%, 50V
OBD
COML
8
27,30
C17
Cap., cer, 1µF, +80-20%, 50V
OBD
COML
1
C70,71
Cap., tant, axial, 4.7µF, 20%, 15V
OBD
COML
2
C4,10
Cap., tarit, axial, 22µF, 20%, 10V
OBD
COML
2
C69,72
Cap., tant, 22µF, 10%, 15V
OBD
COML
2
DS1
Diode, Red LED, 1.2 MCD
OBD
COML
1
R1,3
Res., fxd, comp, 100 ohm, 5%, 1/4W
OBD
COML
2
5-2
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