Apple-1 Related Parts
- 1N4001
- 1N914
- A14F
- 8-Pin
- 14-Pin
- 16-Pin
- 24-Pin
- 40-Pin
- 47pF
- .001µF
- .01µF
- .1µF
- 22µF
- 2400µF
- 5300µF
- Trim Pot
- 330Ω
- 390Ω
- 1.2KΩ
- 3KΩ
- 7.5KΩ
- 10KΩ
- 27KΩ
- 8T97B
- 2504V
- 2513N
- 2519B
- 6301
- 6502
- 6820
- 7400
- 7402
- 7404
- 7408
- 7410
- 7427
- 7432
- 7451
- 9316/74161
- 74123
- 74154
- 74157
- 74160
- 74166
- 74174
- 74175
- 74S257
- DRAM
- 555
- DS/MH0025
- 44-Pin
- Crystal
- Heat Sink
- UA7812UC
- LM320MP-5.0
- LM320MP-12
- LM323K
- MPS3704
- 6-Pin Pwr
- 4-Pin Vid
- LM311
- 10K-1%
- ACI_Resistors
- 74LS02
- 74LS10
- 74LS74
- ACI-Audio
- ACI-LED
- ACI-.01µF
- Transformers
- Monitor
74S257 Quad 2-Input Multiplexer
Spec Sheet
Fairchild
From a photo of a real pre-NTI Apple-1.
F 74S257 DC, gray ceramic.
7613 date code (also seen with 7617 date code).
Total # on board: 4 (locations B5 - B8).
Signetics
From a photo of a real NTI Apple-1.
Vertical labeling, black plastic, stretched “S” logo, no added S below part number.
Total # on board: 4.
Fairchild
F 74S257 DC, gray ceramic. 7613 date code. Exact date code and labeling match to the real Apple-1. On my Mimeo currently.
Signetics
Vertical labeling, black plastic, block “S” logo, additional S below part number. 7650 date code.
Signetics
Horizontal labeling, black plastic. 8112 date code.
Texas Instruments
SN74S257N, black plastic. ’76 date codes.
Texas Instruments
SN74S257J, gray ceramic. 8035 date code.