** Order present firmware revision level.
U116
IC, OPTOCOUPLER, 2601
IC-239
U117
IC, QUAD D FLIP FLOP W/CLK, RESET
74HC175
IC-923
U118
IC, NCHAN LAT DMOS QUADFET,
SD5400CY
IC-893
U119,U125
IC, QUAD 2 IN NOR, 74HCT02
IC-809
U120
IC, QUAD 2-INPUT NAND, 74HC00M
IC-781
U121
SILICON-GATE CMOS
IC-1123
U122,U142,U133
IC, DUAL HIGH CMR/SPEED OPTO,
HCPL-2631
IC-588
U123
PROGRAMMED ROM
2303-803A**
U124
LARGE SCALE IC
LSI-162-70
U127
IC, MOT MC68331CPV16
LSI-188
U129
INTEGRATED CIRCUIT, OPA177GS
IC-960
U130
DUAL DECADE RIPPLE COUNTER
IC-1131
U131
IC, OCTAL INTERFACE BUS, 75160
IC-646
U132
IC, DUAL BIPOLAR OP-AMP, LT1124CS8
IC-955
U134
PRECISION BIFET OPAMP
IC-1194
U135
IC, OP-AMP, NE5534D
IC-802
U136
PROGRAMMED ROM
2000-802**
U137
IC, GPIB ADAPTER, 9914A
LSI-123
U138
QUAD SPST ANALOG SWITCH
IC-1211
U140,U148,U139
IC, POS NAND GATES/INVERT, 74HCT14 IC-656
U141
IC, OCTAL INTER BUS TRANS, 75161
IC-647
U145
IC, SERIAL EPROM 24LC16B
LSI-153
U147
IC, DUAL D-TYPE F/F, 74HC74
IC-773
U154
CMOS ANALOG SWITCH
IC-1210
VR100,VR102
DIODE, ZENER, 6.2V MMSZ6V2
DZ-97
VR101
DIODE, ZENER 6.44V, IN4577AGED
DZ-58
Y100
OSCILLATOR HIGH SPEED CMOS
12MHZ
CR-37
Y101
CRYSTAL, FSM327
CR-41
Table 4-5 (continued)
Model 2303B digital board lists
Circuit designation
Description
Keithley part no.
深圳德标仪器
135-1095-0799
Summary of Contents for 2303
Page 12: ...1 Performance Verification 135 1095 0799...
Page 26: ...2 Calibration 135 1095 0799...
Page 48: ...3 Disassembly 135 1095 0799...
Page 53: ...3 6 Disassembly 135 1095 0799...
Page 76: ...A Specifications 135 1095 0799...
Page 81: ...A 7 Specifications 135 1095 0799...
Page 82: ...B CalibrationReference 135 1095 0799...
Page 90: ...C CalibrationPrograms 135 1095 0799...