Keithley 2302 Instruction Manual page 270

16-6 Replaceable Parts
Table 16-1
Model 2306 digital board parts list (cont.)
Circuit designation
U113
U114,U122,U214
U115,116,117,119,215,216,217,219
U118,U120,U218,U220
U121
U124
U125
U126
U127
U128
U129,U133
U130
U131
U132
U134
U135,U136,U235,U236
VR100
Y100
Y102
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Description
IC, +5V, VOLTAGE REGULATOR,
LM2940CT
SCMITT HEX INVERT
HIGH SPEED OPTOCOUPLER HCPL-0631 IC-1153
TINYLOGIC CMOS INVERTER
IC, GPIB ADAPTER, 9914A
LARGE SCALE IC SMT
PROGRAMMED ROM
IC, OCTAL INTERFACE BUS, 75160
IC, MOT MC68331CPV16
IC, OCTAL INTER BUS TRANS, 75161
IC, SERIAL EPROM, 24LC16B
QUAD SPST ANALOG SWITCH
RS-232 LINE DRIVER/RECEIVER
INTEGRATED CIRCUIT
IC, DARLINGTON ARRAY, ULN2003L
INTEGRATED CIRCUIT
DIODE, ZENER, 6.2V, MMSZ6V2
CRYSTAL OSCILLATOR, 7.68M
CRYSTAL, FSM327
Keithley part no.
IC-576
IC-1293
IC-1282
LSI-123
LSI-234-70
2306-803A01
IC-646
LSI-188
IC-647
LSI-153
IC-1211
IC-1129
IC-1327
IC-969
IC-1332
DZ-97
CR-62-1
CR-41