Program counter
About the Program counter PCB
Program counter is an open source PCB design by KN-Breadboard-Computing, published on GitHub. It is a 2-layer board measuring 54.3 × 60.8 mm, with 38 components from 4 distinct parts.
Other key parts include the 74LS161 and 74LS245. By type, the board carries 16 diodes, 16 resistors and 6 ICs.
Main components on the Program counter
Program counter bill of materials (BOM)
38 components, 4 distinct parts.
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 4 | 74LS161 | DIP-16_W7.62mm_LongPads | U1, U2, U3, U5 |
| 2 | 74LS245 | DIP-20_W7.62mm_LongPads | U4, U6 |
| 16 | LED | LED_D3.0mm | D1, D2, D3, D4, D5, D6, D7, D8 +8 |
| 16 | R_US | R_Axial_DIN0207_L6.3mm_D2.5mm_P10.16mm_Horizontal | R1, R2, R3, R4, R5, R6, R7, R8 +8 |
Program counter design files
The KiCad project lives in the KN-Breadboard-Computing/computer repository on GitHub; these links point at the commit this page was built from.
Program counter: common questions
How big is the Program counter PCB?
The Program counter measures 54.3 × 60.8 mm, has 2 copper layers and is 1.6 mm thick.
How many components are on the Program counter?
38 components, from 4 distinct parts. The full bill of materials is listed on this page.
Where can I download the Program counter design files?
From the KN-Breadboard-Computing/computer repository on GitHub, which has the KiCad layout and the schematic; the links under Design files point to each one.
Can I use the Program counter design in my own project?
The repository has no license, so all rights stay with KN-Breadboard-Computing. Use it as a reference, and ask the author before reusing the design.
