MUX1
About the MUX1 PCB
MUX1 is an open source PCB design by TheJustMoose, published on GitHub. It is a 2-layer board measuring 58.4 × 21.3 mm, with 7 components from 5 distinct parts.
Other key parts include the 74LS153. By type, the board carries 5 connectors, 1 IC and 1 capacitor.
From the project
Handmade CPU. See README.md
Not a very scary instruction set discrete logic processor.
8 bit data 16 bit address / 64KB RAM 17 bit address (in V register) / 128KW Dual Bank Video RAM 16 instructions 8 data registers and 4 pointer registers in 2 banks 1 flags register in IO port 32 input ports and 32 output ports (You can write a constant to the first 8 ports. Only registers can be written to the remaining ports.) Assembled from 74HCxx series ICs!
Main components on the MUX1
MUX1 bill of materials (BOM)
7 components, 5 distinct parts.
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 1 | 74LS153 | SO-16_3.9x9.9mm_P1.27mm | U1 |
| 2 | Conn_01x04_Male | PinHeader_1x04_P2.54mm_Horizontal | J1, J2 |
| 1 | Conn_01x03_Male | PinHeader_1x03_P2.54mm_Horizontal | J3 |
| 2 | Conn_01x02_Male | PinHeader_1x02_P2.54mm_Horizontal | J4, J5 |
| 1 | 0.1uF | C_0805_2012Metric_Pad1.18x1.45mm_HandSolder | C1 |
MUX1 design files
The KiCad project lives in the TheJustMoose/74HCPU repository on GitHub; these links point at the commit this page was built from.
- Layouthard/MUX1/MUX1.kicad_pcb
- Schematichard/MUX1/MUX1.kicad_sch
MUX1: common questions
How big is the MUX1 PCB?
The MUX1 measures 58.4 × 21.3 mm, has 2 copper layers and is 1.6 mm thick.
How many components are on the MUX1?
7 components, from 5 distinct parts. The full bill of materials is listed on this page.
Where can I download the MUX1 design files?
From the TheJustMoose/74HCPU repository on GitHub, which has the KiCad layout and the schematic; the links under Design files point to each one.
Can I use the MUX1 design in my own project?
The repository has no license, so all rights stay with TheJustMoose. Use it as a reference, and ask the author before reusing the design.
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