Comparator board
About the Comparator board
Comparator board is an open source PCB design by alpha-137-036, published on GitHub under the Apache-2.0 license. It is a 4-layer board measuring 37.6 × 68 mm, with 53 components from 19 distinct parts.
From the project
An implementation of Risc-V using discrete transistors
Comparator board bill of materials (BOM)
53 components, 19 distinct parts — part numbers from the project's BOM.
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 1 | — | C_0402_1005Metric | DECAP1 |
| 1 | — | FFC-SMD_FFC05021-20SBB123W5M | JP1 |
| 1 | — | PinHeader_1x20_P2.54mm_Vertical | JP2 |
| 1 | — | PinHeader_1x02_P2.54mm_Vertical | JSupply1 |
| 16 | — | DECAP | genblk2[0].u_decap, genblk2[1].u_decap, genblk2[2].u_decap, genblk2[3].u_decap, genblk2[4].u_decap, genblk2[5].u_decap, genblk2[6].u_decap, genblk2[7].u_decap +8 |
| 5 | — | NOT | u_comp._092_, u_comp._093_, u_comp._094_, u_comp._095_, u_comp._096_ |
| 7 | — | NAND2B | u_comp._097_, u_comp._098_, u_comp._107_, u_comp._108_, u_comp._110_, u_comp._111_, u_comp._115_ |
| 4 | — | NAND2 | u_comp._099_, u_comp._104_, u_comp._109_, u_comp._119_ |
| 4 | — | NOR2 | u_comp._100_, u_comp._103_, u_comp._114_, u_comp._117_ |
| 2 | — | XNOR2 | u_comp._101_, u_comp._105_ |
| 1 | — | AND3 | u_comp._102_ |
| 2 | — | NAND4B | u_comp._106_, u_comp._116_ |
| 1 | — | AND4 | u_comp._112_ |
| 2 | — | AOI22 | u_comp._113_, u_comp._121_ |
| 1 | — | OAI21 | u_comp._118_ |
| 1 | — | AOI21 | u_comp._120_ |
| 1 | — | AOI211 | u_comp._122_ |
| 1 | — | OA21 | u_comp._123_ |
| 1 | — | OAI32 | u_comp._124_ |
Comparator board design files
The KiCad project lives in the alpha-137-036/RV523 repository on GitHub; these links point at the commit this page was built from.
Comparator board: common questions
How big is the Comparator board?
The Comparator board measures 37.6 × 68 mm, has 4 copper layers and is 1.6 mm thick.
How many components are on the Comparator board?
53 components, from 19 distinct parts, with part numbers taken from the project's own BOM. The full bill of materials is listed on this page.
Where can I download the Comparator board design files?
From the alpha-137-036/RV523 repository on GitHub, which has the KiCad layout and the BOM; the links under Design files point to each one.
Can I use the Comparator board design in my own project?
Yes, under the terms of its Apache-2.0 license, which alpha-137-036 chose for the repository.
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