Register board
About the Register board
Register board is an open source PCB design by edatki, published on GitHub. It is a 2-layer board measuring 124 × 83 mm, with 21 components from 6 distinct parts.
Other key parts include the 74LS374, 74LS244, 74LS75 and 74LS181. By type, the board carries 16 ICs, 4 resistors and 1 connector.
From the project
A custom CPU implemented in 74-series logic
Main components on the Register board
Register board bill of materials (BOM)
21 components, 6 distinct parts.
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 10 | 74LS374 | DIP-20_W7.62mm_Socket | U1, U2, U3, U4, U6, U7, U12, U13 +2 |
| 3 | 74LS244 | DIP-20_W7.62mm_Socket | U5, U8, U16 |
| 1 | 74LS75 | DIP-16_W7.62mm_Socket | U9 |
| 2 | 74LS181 | DIP-24_W15.24mm_Socket | U10, U11 |
| 1 | Conn_02x32_Odd_Even | IDC-Header_2x32_P2.54mm_Vertical | J1 |
| 4 | 10K | R_Array_SIP9 | RN1, RN2, RN3, RN4 |
Register board design files
The KiCad project lives in the edatki/e74-cpu repository on GitHub; these links point at the commit this page was built from.
Register board: common questions
How big is the Register board?
The Register board measures 124 × 83 mm, has 2 copper layers and is 1.6 mm thick.
How many components are on the Register board?
21 components, from 6 distinct parts. The full bill of materials is listed on this page.
Where can I download the Register board design files?
From the edatki/e74-cpu repository on GitHub, which has the KiCad layout and the schematic; the links under Design files point to each one.
Can I use the Register board design in my own project?
The repository has no license, so all rights stay with edatki. Use it as a reference, and ask the author before reusing the design.
