Radio Shack TRS-80 Service Manual page 37

CPU MODULE PARTS LIST (cont'd)
MANUFACTURER'S
RADIO SHACK
SYMBOL DESCRIPTION
PART NUMBER
PART NUMBER
U72 74LS30, 8-input NANO gate 802-0030 AMX3556
U73 74LS27, Triple 3-input NOR gate 802-0027 AMX4658
U74 74LS04, Hex Inverter Quad 2-input 802-0004 AMX3552
U75 74LS08, Quad 2-input AND gate 802-0008 AMX3698
U76 74LS367, Tri-State Hex Buffer 802-0367 AMX3567
U77 Z-80, CPU 804-7080 AMX3586
U78 74LS74, Dual "D" Flip-Flop
802-0074 AMX3558
Positive Edge Triggered
U79 MC1741,Operational Amplifier 805-0741 AMX4258
U80 MC1458
805-0458 AMX4661
U81 MCM2114, RAM
804-0004 AXX3038
U82
MCM2114, RAM 804-0004 AXX3038
U83
74LS74, Dual "D" Flip-Flop 802-0074 AMX3558
Positive Edge Triggered
U84 74LS367, Tri-State Hex Buffer 802-0367 AMX3567
U85 74LS74, Dual "D" Flip-Flop
802-0074 AMX3558
Positive Edge Triggered
U86 74LS32, Quad 2-input OR gate
802-0032 AMX3557
U87
74LS04, Hex Inverter 802-0004 AMX3552
U88 74LS38, Quad 2-input NAND Buffer
802-0038 AMX4328
with Open Collector Outputs
U89 74LS32, Quad 2-input OR gate
802-0032 AMX3557
U90 74LS245
802-0245 AMX4470
U91 74LS244, Line Driver
802-0244
AMX3864
U92
74LS244, Line Driver 802-0244
AMX3864
U93
Not Used
-------
-------
U94 /4LS273, Octal "D" Flip-Flop
802-0273
AMX4227
U95 74LS244, Line Driver
802-0244 AMX3864
U96 LM339
805-0339 AMX4200
U97 MC75452
805-0452 AMX3573
U98 74LS174, Hex Quad "D" Flip-Flop 802-0174
AMX3565
U99 74LS244, Line Driver
802-0244 AMX3864
U100
74LS174, Hex Quad "D" Flip-Flop 802-0174 AMX3565
U101
74LS245
802-0245 AMX4470
U102 74LS244, Line Driver
802-0244 AMX3864
U103 74LS367, Tri-State Hex Buffer
802-0367 AMX3567
U104 ROM A, MCM364
804-1364 AXX3039
U105 ROM B, MCM332
804-0332 AXX3037
U106 ROM C, MCM68A
804-0316B
AMX4642
U107
74LS32, Quad 2-input OR gate
802-0032 AMX3557
U108 74LS10, Triple 3-input NANO gate
802-0010
AMX3898
RESISTORS
R1 910 ohm, ¼W, 5%, Carbon Film 820-7191 AN0192EEC
R2 4.7K, ¼W, 5%, Carbon"Film 820-7247 AN0247EEC
R3 4.7K, ¼W, 5%, Carbon Film 820-7247 AN0247EEC
R4 4.7K, ¼W, 5%, Carbon Film 820-7247 AN0247EEC
R5 910 ohm, ¼W, 5%, Carbon Film 820-7191
AN0192EEC
R6 4.7K, ¼W, 5%, Carbon Film 820-7247
AN0247EEC
R7 100K, ¼W, 5%, Carbon Film
820-7410 AN0371EEC
R8 4.7K, ¼W, 5%, Carbon Film 820-7247
AN0247EEC
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