Retro stack ram rom
gcoonrod·retro-stack·boards/retro-stack-ram-rom/retro-stack-ram-rom.kicad_pcb
About the Retro stack ram rom PCB
Retro stack ram rom is an open source PCB design by gcoonrod, published on GitHub under the Apache-2.0 license. It is a 2-layer board measuring 99.1 × 99.1 mm, with 20 components from 11 distinct parts.
Other key parts include the 74HC14, 28C256, AS6C62256 and ATF16V8B-15PU. By type, the board carries 7 capacitors, 6 diodes, 4 ICs, 2 connectors and 1 resistor.
It belongs with the retro computing designs in this gallery.
From the project
A retro computer project based on stackable PCB boards.
This module contains RAM, ROM, and a PLD for address decoding.

Main components on the Retro stack ram rom
Retro stack ram rom bill of materials (BOM)
20 components, 11 distinct parts.
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 1 | 74HC14 | DIP-14_W7.62mm_Socket_LongPads | U1 |
| 1 | 28C256 | 28655410 | U2 |
| 1 | AS6C62256 | DIP-28_W15.24mm_Socket_LongPads | U3 |
| 1 | ATF16V8B-15PU | DIP-20_W7.62mm_Socket_LongPads | U4 |
| 1 | BUS_6502 | IDC-Header_2x20_P2.54mm_Horizontal | J1 |
| 1 | TRM_PWR | TerminalBlock_Phoenix_MPT-0,5-2-2.54_1x02_P2.54mm_Horizontal | J2 |
| 1 | LED_PWR | LED_D5.0mm | D1 |
| 5 | LED | LED_D5.0mm | D2, D3, D4, D5, D6 |
| 4 | 0u1 | C_Rect_L4.0mm_W2.5mm_P2.50mm | C1, C3, C5, C7 |
| 3 | 1u | C_Rect_L4.0mm_W2.5mm_P2.50mm | C2, C4, C6 |
| 1 | 1k | R_Array_SIP9 | RN1 |
Retro stack ram rom design files
The KiCad project lives in the gcoonrod/retro-stack repository on GitHub; these links point at the commit this page was built from.
Retro stack ram rom: common questions
How big is the Retro stack ram rom PCB?
The Retro stack ram rom measures 99.1 × 99.1 mm, has 2 copper layers and is 1.6 mm thick.
How many components are on the Retro stack ram rom?
20 components, from 11 distinct parts. The full bill of materials is listed on this page.
Where can I download the Retro stack ram rom design files?
From the gcoonrod/retro-stack repository on GitHub, which has the KiCad layout and the schematic; the links under Design files point to each one.
Can I use the Retro stack ram rom design in my own project?
Yes, under the terms of its Apache-2.0 license, which gcoonrod chose for the repository.
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