2 layers253 × 169.1 mm
Dragon32
jimbro1000/Dragon32Rev3
This project started as a recreation of the SA2120 CPU Mainboard for the 1982 Dragon Data Dragon 32
171 parts3MIT
2 layers31.5 × 60.5 mm
SBC6309Decoder
jimbro1000/SBC6309DecoderAddress decoder board for SBC6309 devices
- Size
- 31.5 × 60.5 mm
- Copper layers
- 2
- Thickness
- 1.6 mm
- Parts
- 8
- Nets
- 34
- Pads
- 76
- Tracks, vias
- 71, 30
- Pours
- 1
- Routed
- Yes
- KiCad
- KiCad 9.0 (file 20241229)
- Created
- 14 May 2025
- Updated
- 30 Mar 2026
Overview
SBC6309Decoder is an open-source printed circuit board by jimbro1000, from the jimbro1000/SBC6309Decoder repository on GitHub. It is a 2-layer board of 31.5 × 60.5 mm with 8 parts on 34 nets, routed with 71 tracks and 30 vias.
It is built around the 74ACT138PC. Its parts include 4 connectors, 2 capacitors and 2 ICs. It belongs with the FPGA and CPLD boards of this library.
Main components
1Parts
8| Qty | Value | Footprint | References |
|---|---|---|---|
| 2 | 10uF | Capacitor_SMD:C_0805_2012Metric_Pad1.18x1.45mm_HandSolder | C6, C7 |
| 1 | 74ACT138 | Package_SO:SOIC-16_3.9x9.9mm_P1.27mm | U2 |
| 1 | Address | Connector_PinHeader_2.54mm:PinHeader_1x16_P2.54mm_Vertical | J1 |
| 1 | Device | Connector_PinHeader_2.54mm:PinHeader_1x08_P2.54mm_Vertical | J2 |
| 1 | GAL16V8 | Package_DIP:DIP-20_W7.62mm | U1 |
| 1 | Power | Connector_PinHeader_2.54mm:PinHeader_1x04_P2.54mm_Vertical | J4 |
| 1 | Register | Connector_PinHeader_2.54mm:PinHeader_1x08_P2.54mm_Vertical | J3 |
Questions
How big is the SBC6309Decoder PCB?
It measures 31.5 × 60.5 mm and has 2 copper layers, 1.6 mm thick.
What parts does the SBC6309Decoder use?
8 parts, built around the 74ACT138PC. 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 SBC6309Decoder KiCad files?
From the jimbro1000/SBC6309Decoder repository on GitHub, at the commit this page was made from: the board is SBC6309Decoder.kicad_pcb and its schematic SBC6309Decoder.kicad_sch. PCBKit opens the board in the browser, with nothing to install.
Can I use the SBC6309Decoder design in my own project?
Its repository states no licence, so its author keeps all rights: ask jimbro1000 before reusing the design.
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