6502-min sbc
About the 6502-min sbc PCB
6502-min sbc is an open source PCB design by gcoonrod, published on GitHub under the Apache-2.0 license. It is a 4-layer board measuring 100 × 100 mm, with 48 components from 30 distinct parts.
Other key parts include the W65C02SxP, HM62256BLP, 28C256, W65C22SxP and MCP2221A-I/P. By type, the board carries 17 capacitors, 10 resistors, 8 ICs, 4 diodes, 3 connectors and 2 crystals.
It belongs with the retro computing designs in this gallery.
From the project
A retro computer project based on stackable PCB boards.
The RetroStack project currently includes the following boards based on a common template:
- Power Supply & 555 Clock - W65C02S CPU & High Speed Clock - SRAM & ROM - Arduino Mega Debug Shield - Debug & Status Display
Main components on the 6502-min sbc
6502-min sbc bill of materials (BOM)
48 components, 30 distinct parts.
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 1 | W65C02SxP WDC | DIP-40_W15.24mm_Socket_LongPads | U1 |
| 1 | HM62256BLP Alliance Memory | DIP-28_W15.24mm_Socket_LongPads | U2 |
| 1 | 28C256 Microchip | 28655410 | U3 |
| 1 | W65C22SxP WDC | DIP-40_W15.24mm_Socket_LongPads | U4 |
| 1 | MCP2221A-I/P Microchip | DIP-14_W7.62mm_Socket_LongPads | U5 |
| 1 | W65C51NxP WDC | DIP-28_W15.24mm_Socket_LongPads | U6 |
| 1 | 74AHC139 Texas Instruments | DIP-16_W7.62mm_Socket_LongPads | U7 |
| 1 | DS1813 Analog Devices | TO-92 | U8 |
| 1 | 1Mhz CTS | Oscillator_DIP-14 | X1 |
| 1 | 1.8432 MHz Abracon | Crystal_HC49-U_Vertical | Y1 |
| 1 | UJ2BH1TH CUI Devices | UJ2BH1TH | J1 |
| 1 | HDR_VIA1_A Wurth Elektronik | IDC-Header_2x07_P2.54mm_Vertical | J2 |
| 1 | HDR_VIA1_B Wurth Elektronik | IDC-Header_2x07_P2.54mm_Vertical | J3 |
| 1 | Jumper_2_Open | PinHeader_1x02_P2.54mm_Vertical | JP1 |
| 1 | SW_RES | SW_PUSH_6mm | SW1 |
| 1 | CurrentSense | TestPoint_2Pads_Pitch2.54mm_Drill0.8mm | TP1 |
| 1 | BAT42 STMicroelectronics | D_DO-35_SOD27_P7.62mm_Horizontal | D1 |
| 1 | LED_TX Kingbright | LED_D5.0mm | D2 |
| 1 | LED_RX Kingbright | LED_D5.0mm | D3 |
| 1 | LED_PWR Kingbright | LED_D5.0mm | D4 |
Show 10 more
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 1 | 600R Laird Performance Materials | LairdTech_28C0236-0JW-10 | L1 |
| 11 | 0u1 Vishay | C_Rect_L4.0mm_W2.5mm_P2.50mm | C1, C2, C3, C5, C7, C9, C10, C11 +3 |
| 1 | 20p KEMET | C_Rect_L4.6mm_W3.8mm_P2.50mm_MKS02_FKP02 | C4 |
| 1 | 10n Vishay | C_Rect_L4.0mm_W2.5mm_P2.50mm | C6 |
| 2 | 4u7 Panasonic | CP_Radial_D5.0mm_P2.50mm | C8, C14 |
| 2 | 1u TDK | C_Rect_L4.6mm_W3.0mm_P2.50mm_MKS02_FKP02 | C15, C16 |
| 1 | 1M Vishay | R_Axial_DIN0204_L3.6mm_D1.6mm_P5.08mm_Horizontal | R1 |
| 5 | 3k3 Vishay | R_Axial_DIN0204_L3.6mm_D1.6mm_P5.08mm_Horizontal | R2, R3, R4, R5, R8 |
| 3 | 1k Vishay | R_Axial_DIN0204_L3.6mm_D1.6mm_P5.08mm_Horizontal | R6, R7, R9 |
| 1 | 0r002 Vishay | RESC6430X38N | R10 |
6502-min sbc 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.
6502-min sbc: common questions
How big is the 6502-min sbc PCB?
The 6502-min sbc measures 100 × 100 mm, has 4 copper layers and is 1.6062 mm thick.
How many components are on the 6502-min sbc?
48 components, from 30 distinct parts. The full bill of materials is listed on this page.
Where can I download the 6502-min sbc 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 6502-min sbc 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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