2 layers127 × 73.7 mm
4 layers100 × 100 mm
6502Microcontroller
GalaxyGamingBoy/6502-Microcontroller-Kicad1- Size
- 100 × 100 mm
- Copper layers
- 4
- Thickness
- 1.6 mm
- Parts
- 54
- Nets
- 120
- Pads
- 405
- Tracks, vias
- 1,169, 160
- Pours
- 2
- Routed
- Yes
- KiCad
- KiCad 9.0 (file 20241229)
- Created
- 28 May 2025
- Updated
- 5 Jun 2025
Overview
6502Microcontroller is an open-source printed circuit board by GalaxyGamingBoy, from the GalaxyGamingBoy/6502-Microcontroller-Kicad repository on GitHub. It is a 4-layer board of 100 × 100 mm with 54 parts on 120 nets, routed with 1,169 tracks and 160 vias.
It is built around the 74HCT00D, AS6C62256-55PCN and AT28HC256E-90SU. Its parts include 14 connectors, 12 capacitors, 11 ICs, 7 resistors and 2 diodes.
Main components
3
74HCT00D
SO-14-40℃~+125℃ 100mV、400mV 12ns@4.5V,50pF 2 2V 3.7V、4.4V 4 4.5V~5.5V 40uA 4mA 4mA 74HCT Series 800mV NAND Gate Overvoltage-tolerant input TTL Compatible CMOS SO-14 Logic Gates ROHSNexperiaLogic Gates
AS6C62256-55PCN
PDIP-280℃~+70℃ 2.7V~5.5V 256Kbit 3uA 45mA 55ns PDIP-28 SRAM ROHSAlliance MemorySRAM
AT28HC256E-90SU
SOIC-28-300mil-55℃~+125℃ 10 Years 10000 times 10ms 256Kbit 4.5V~5.5V Hardware write protection function、Software write protection function、Built-in error correction code (ECC) function Parallel Port (Parallel) SOIC-28-300mil EEPROM ROHSMicrochip TechnologyEEPROM
Parts
54| Qty | Value | Footprint | References |
|---|---|---|---|
| 9 | 0.1µF | Capacitor_SMD:C_0603_1608Metric_Pad1.08x0.95mm_HandSolder | C1, C2, C3, C4, C5, C7, C9, C10, C11 |
| 4 | 5V GND | LCSCLib:HDR-TH_2P-P2.54-V-F-1 | J1, J2, J4, J7 |
| 2 | 10uF | Capacitor_SMD:C_0603_1608Metric_Pad1.08x0.95mm_HandSolder | C8, C12 |
| 2 | 3.3k | Resistor_SMD:R_0603_1608Metric_Pad0.98x0.95mm_HandSolder | R1, R8 |
| 2 | 5.1k | Resistor_SMD:R_0603_1608Metric_Pad0.98x0.95mm_HandSolder | R4, R5 |
| 2 | 74HCT00 | LCSCLib:DIP-14_L17.8-W10.2-P2.54-BL | U1, U2 |
| 2 | Conn_01x08_Socket | LCSCLib:HDR-TH_8P-P2.54-V-F | J5, J8 |
| 2 | Conn_01x16_Socket | LCSCLib:HDR-TH_16P-P2.54-V-F-4 | J3, J15 |
| 2 | LED | LED_SMD:LED_0603_1608Metric_Pad1.05x0.95mm_HandSolder | D1, D2 |
| 2 | W65C22S6TPG-14 | LCSCLib:DIP-40_L50.8-W17.8-P2.54-LS15.2-BL | IC2, IC5 |
| 2 | W65C51N6TPG-14 | LCSCLib:DIP-28_L35.6-W10.2-P2.54-LS7.6-BL-A | IC6, IC8 |
| 1 | 1.8432 MHz | Crystal:MP018B | Y2 |
| 1 | 1M | Resistor_SMD:R_0603_1608Metric_Pad0.98x0.95mm_HandSolder | R3 |
| 1 | 1k | Resistor_SMD:R_0603_1608Metric_Pad0.98x0.95mm_HandSolder | R6 |
| 1 | 220 | Resistor_SMD:R_0603_1608Metric_Pad0.98x0.95mm_HandSolder | R7 |
| 1 | 30pF | Capacitor_SMD:C_0603_1608Metric_Pad1.08x0.95mm_HandSolder | C6 |
| 1 | 4MHz | LCSCLib:OSC-SMD_4P-L7.0-W5.0-BL-2 | Y1 |
| 1 | AS6C62256-55PCN | LCSCLib:DIP-28_L35.6-W10.2-P2.54-LS7.6-BL-A | IC4 |
| 1 | AT28HC256E-90SU | LCSCLib:DIP-28_L35.6-W10.2-P2.54-LS7.6-BL-A | IC3 |
| 1 | Barrel_Jack | Connector_BarrelJack:BarrelJack_Horizontal | J10 |
| 1 | Conn_02x02_Counter_Clockwise | LCSCLib:HDR-TH_4P-P2.54-V-F-R2-C2-S2.54 | J11 |
| 1 | SW_Push | LCSCLib:SW-SMD_L3.9-W3.0-P4.45 | SW2 |
| 1 | USB_C_Receptacle_PowerOnly_6P | LCSCLib:USB-C-SMD | J9 |
| 1 | VIA0_IRQB | LCSCLib:HDR-TH_4P-P2.54-V-F-R2-C2-S2.54 | J6 |
| 1 | VIA1_IRQB | LCSCLib:HDR-TH_4P-P2.54-V-F-R2-C2-S2.54 | J14 |
| 1 | W65C02S6TPG-14 | LCSCLib:DIP-40_L50.8-W17.8-P2.54-LS15.2-BL | IC1 |
| 1 | ~ | LCSCLib:SOT-89-3_L4.5-W2.5-P1.50-LS4.2-BR | U3 |
| 1 | ~ | LCSCLib:SOT-23-3_L2.9-W1.3-P1.90-LS2.4-BR | U4 |
| 1 | ~{IRQ}_SW | LCSCLib:HDR-TH_8P-P2.54-V-M-R2-C4-S2.54 | J12 |
The 49 most common of 54 parts.
Questions
How big is the 6502Microcontroller PCB?
It measures 100 × 100 mm and has 4 copper layers, 1.6 mm thick.
What parts does the 6502Microcontroller use?
54 parts, built around the 74HCT00D, AS6C62256-55PCN and AT28HC256E-90SU. The full list of its parts is on this page, with links to each part's symbol and footprint where PCBKit's library has them.
Where can I download the 6502Microcontroller KiCad files?
From the GalaxyGamingBoy/6502-Microcontroller-Kicad repository on GitHub, at the commit this page was made from: the board is 6502Microcontroller.kicad_pcb and its schematic 6502Microcontroller.kicad_sch. PCBKit opens the board in the browser, with nothing to install.
Can I use the 6502Microcontroller design in my own project?
Its repository states no licence, so its author keeps all rights: ask GalaxyGamingBoy before reusing the design.
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