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REPLACEABLE
PARTS
INSTRUCTION
MANUAL
DigItal Multlm9tw
Models 172A. 173A
INTEGRATED CIRCUITS
(U)
(CON'T)
Circuit
Mfr.
Mfr.
Desig.
Description
Keithley
Code
Desig.
Part
No.
~I016
lJ1017
~1018
UlOl9
u1020
Uli121
UIIOI
UllO2
UllO3
Ul104
u1105
~1106
UllO7
~1108
UllO9
UIIIO
Ullll
COS/MOS Hex
Inverter,
I4-pin
DIP.
. , .
Timing
Logic,
8-pin
DIP
Optically-coupled
Isolator;
i-pin
DIP
:
Optically-coupled
Isolator,
8-pin
DIP
.
Optically-coupled
Isolator,
8-pin
DIP
.
Optically-coupled
Isolator,
8-pin
DIP
,
RCA
CD4069BE
IC-139
SIG
NE555V
IC-71
H-P
HP5082-4351
IC-142
H-P
~~5082-4351
IC-142
H-P
HP5082-4351
IC-142
H-P
HP5082-4351
IC-142
"1100"
SERIES
(Schematic
28019E)
Hex
Inverters,
Open Collector
Output..
. . TEXAS
SN74LSOSN
Hex
Inverters,
Open Collector
Output..
. . TEXAS
SN74LS05N
Hex
Inverters,
Open Collector
Output..
. , TEXAS
SN74LS05N
Positive-NAND
Gates
and
Inverters/
IC-I41
IC-I41
IC-I41
Totem-pole
outputs
. . . . , . . . . , . TEXAS
SN74LSl4N
Hex
Inverters,
Open Collector
Output
. . . TEXAS
SN74LS05N
Dual
D-Type
Flip-Flop,
I4-pin
DIP.
. . . . RCA
CD4013AE
Quad 2-Input
NOR, Ill-pin
DIP
. . . . . , . RCA
CD400lAE
COS/MOS 8-Stage
Static
Shift
IC-137
IC-I41
IC-103
IC-I08
Register
. . . . . . . . . . . . . . . . RCA
CD402lAE
IC-130
Quad 2-Input
AND,
I4-pin
DIP
. . . . . . . RCA
CD408lBE
IC-I38
.'_
COS/MOS Dual
4 Input
NAND Gates.
. . . . . RCA
CD4012AE
IC-140
Six
COS/MOS Hex
lnvertec
. . . . . . . , . RCA
CD4069BE
IC-139
7-26
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