2bit cpu memory
About the 2bit cpu memory PCB
2bit cpu memory is an open source PCB design by naoto64, published on GitHub under the MIT license. It is a 2-layer board measuring 80 × 75 mm, with 37 components from 15 distinct parts.
Other key parts include the 74HC138 and 74HC14. By type, the board carries 16 diodes, 7 switches, 6 resistors, 4 capacitors, 2 ICs and 2 connectors.
From the project
2bit CPU using 74HC series logic IC.
Main components on the 2bit cpu memory
2bit cpu memory bill of materials (BOM)
37 components, 15 distinct parts.
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 1 | 74HC138 | DIP-16_W7.62mm_Socket | U1 |
| 1 | 74HC14 | DIP-14_W7.62mm_Socket | U2 |
| 1 | Conn_01x08 | PinSocket_1x10_P2.54mm_Vertical | J1 |
| 1 | Conn_01x02 | PinSocket_1x06_P2.54mm_Vertical | J2 |
| 4 | SW_DIP_x04 | SW_DIP_SPSTx04_Slide_9.78x12.34mm_W7.62mm_P2.54mm | SW1, SW2, SW3, SW4 |
| 2 | SW_Push | SW_PUSH_6mm | SW5, SW7 |
| 1 | SW_SPDT | PinHeader_1x03_P2.54mm_Vertical | SW6 |
| 16 | 1N4148 | D_DO-35_SOD27_P7.62mm_Horizontal | D1, D2, D3, D4, D5, D6, D7, D8 +8 |
| 2 | 0.1u | C_Disc_D4.3mm_W1.9mm_P5.00mm | C1, C2 |
| 2 | 10u | C_Disc_D4.3mm_W1.9mm_P5.00mm | C3, C4 |
| 1 | 100k | R_Axial_DIN0207_L6.3mm_D2.5mm_P7.62mm_Horizontal | R1 |
| 1 | 47k | R_Axial_DIN0207_L6.3mm_D2.5mm_P7.62mm_Horizontal | R2 |
| 1 | 1k | R_Axial_DIN0207_L6.3mm_D2.5mm_P7.62mm_Horizontal | R3 |
| 2 | 10k | R_Axial_DIN0207_L6.3mm_D2.5mm_P7.62mm_Horizontal | R4, R5 |
| 1 | 10k | R_Array_SIP5 | RN1 |
2bit cpu memory design files
The KiCad project lives in the naoto64/2bit-CPU repository on GitHub; these links point at the commit this page was built from.
2bit cpu memory: common questions
How big is the 2bit cpu memory PCB?
The 2bit cpu memory measures 80 × 75 mm, has 2 copper layers and is 1.6 mm thick.
How many components are on the 2bit cpu memory?
37 components, from 15 distinct parts. The full bill of materials is listed on this page.
Where can I download the 2bit cpu memory design files?
From the naoto64/2bit-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 2bit cpu memory design in my own project?
Yes, under the terms of its MIT license, which naoto64 chose for the repository.
