4 layers233.4 × 100 mm
4 layers100 × 100 mm
486 Breakout
FoxCutter/486Dev44Repo for the 486 breadboard computer project
- Size
- 100 × 100 mm
- Copper layers
- 4
- Thickness
- 1.6 mm
- Parts
- 50
- Nets
- 134
- Pads
- 415
- Tracks, vias
- 1,618, 79
- Pours
- 3
- Routed
- Yes
- KiCad
- KiCad 6 (file 20211014)
- Created
- 22 Mar 2023
- Updated
- 12 Jun 2023
Overview
486 Breakout is an open-source printed circuit board by FoxCutter, from the FoxCutter/486Dev repository on GitHub, published under the BSD-3-Clause licence. It is a 4-layer board of 100 × 100 mm with 50 parts on 134 nets, routed with 1,618 tracks and 79 vias.
Its parts include 19 resistors, 15 connectors, 10 capacitors and 3 ICs. It belongs with the interfaces and adapters boards of this library.
README
README.md486Dev
Repo for the 486 breadboard computer project
Parts
50| Qty | Value | Footprint | References |
|---|---|---|---|
| 19 | 10k | Resistor_THT:R_Axial_DIN0204_L3.6mm_D1.6mm_P7.62mm_Horizontal | R1, R2, R3, R4, R5, R6, R10, R11, R12, R13, R14, R15, R16, R17, R18, R19 +3 |
| 8 | 105 | Capacitor_SMD:C_0805_2012Metric_Pad1.18x1.45mm_HandSolder | C1, C2, C3, C4, C5, C6, C7, C8 |
| 2 | 105 | Capacitor_THT:C_Disc_D3.4mm_W2.1mm_P2.50mm | C9, C10 |
| 2 | 7400 | Package_DIP:DIP-14_W7.62mm | U2, U3 |
| 2 | Conn_02x03_Counter_Clockwise | Connector_PinHeader_2.54mm:PinHeader_2x03_P2.54mm_Vertical | J6, J10 |
| 1 | +5V | TestPoint:TestPoint_Pad_2.0x2.0mm | TP1 |
| 1 | 80486DX | 486 Breakout:PGA169 | U1 |
| 1 | Address Bus | Connector_PinHeader_2.54mm:PinHeader_1x36_P2.54mm_Vertical | J4 |
| 1 | Bus Arbitration | Connector_PinHeader_2.54mm:PinHeader_1x05_P2.54mm_Vertical | J15 |
| 1 | Bus Size | Connector_PinHeader_2.54mm:PinHeader_1x02_P2.54mm_Vertical | J14 |
| 1 | Byte Enabled | Connector_PinHeader_2.54mm:PinHeader_1x07_P2.54mm_Vertical | J11 |
| 1 | Cache | Connector_PinHeader_2.54mm:PinHeader_1x07_P2.54mm_Vertical | J8 |
| 1 | Conn_02x04_Counter_Clockwise | Connector_PinHeader_2.54mm:PinHeader_2x04_P2.54mm_Vertical | J2 |
| 1 | Control Bus | Connector_PinHeader_2.54mm:PinHeader_1x08_P2.54mm_Vertical | J7 |
| 1 | Data Bus | Connector_PinHeader_2.54mm:PinHeader_1x36_P2.54mm_Vertical | J5 |
| 1 | FPU | Connector_PinHeader_2.54mm:PinHeader_1x02_P2.54mm_Vertical | J12 |
| 1 | Input | Connector_PinHeader_2.54mm:PinHeader_1x07_P2.54mm_Vertical | J13 |
| 1 | Not Connected | Connector_PinHeader_2.54mm:PinHeader_1x20_P2.54mm_Vertical | J3 |
| 1 | PWR | Connector_PinHeader_2.54mm:PinHeader_1x02_P2.54mm_Vertical | J1 |
| 1 | Parity | Connector_PinHeader_2.54mm:PinHeader_1x05_P2.54mm_Vertical | J9 |
| 1 | Vcc to J1 | Jumper:SolderJumper-2_P1.3mm_Bridged_Pad1.0x1.5mm | JP1 |
The 49 most common of 50 parts.
Questions
How big is the 486 Breakout PCB?
It measures 100 × 100 mm and has 4 copper layers, 1.6 mm thick.
What parts does the 486 Breakout use?
50 parts. 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 486 Breakout KiCad files?
From the FoxCutter/486Dev repository on GitHub, at the commit this page was made from: the board is 486 Breakout/486 Breakout.kicad_pcb and its schematic 486 Board/486 Board.kicad_sch. PCBKit opens the board in the browser, with nothing to install.
Can I use the 486 Breakout design in my own project?
Its repository publishes it under the BSD-3-Clause licence: you may reuse it on that licence's terms (keep the author's notice, and for a copyleft licence share your changes alike).
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