Prototype2
About the Prototype2 PCB
Prototype2 is an open source PCB design by nmikstas, published on GitHub. It is a 4-layer board measuring 50.3 × 63.5 mm, with 93 components from 18 distinct parts.
Other key parts include the 74LVC1G97, 74LVC125 and LD1117S33TR. By type, the board carries 45 test points, 18 transistors, 11 capacitors, 10 ICs, 6 resistors and 3 connectors.
From the project
Recreation of the Atari POKEY chip (work in progress)
Main components on the Prototype2
Prototype2 bill of materials (BOM)
93 components, 18 distinct parts — part numbers from the project's BOM.
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 1 | 74LVC1G97 | DRY6 | U1 |
| 1 | ~ | VQFN20_RKS_TEX | U2 |
| 3 | ~ | XSON8 | U3, U4, U5 |
| 4 | 74LVC125 | DHVQFN14_SOT762-1_NEX | U6, U7, U8, U9 |
| 1 | LD1117S33TR | Reg | U10 |
| 18 | SSM3K72KCT | CST3_TOS | Q1, Q2, Q3, Q4, Q5, Q6, Q7, Q8 +10 |
| 1 | ~ | Proto-72Pin | J1 |
| 1 | 2x20_Conn | Con_2X20 | J2 |
| 1 | Conn_01x03_Pin | PinSocket_1x03_P2.54mm_Vertical | J3 |
| 45 | ~ | TP | TP1, TP2, TP3, TP4, TP5, TP6, TP7, TP8 +37 |
| 10 | .1uf | C_0201_0603Metric | C1, C2, C3, C4, C5, C6, C7, C8 +2 |
| 1 | 10uf | C_0805_2012Metric | C11 |
| 1 | 825 1% | R_0402_1005Metric | R1 |
| 1 | 1.65K 1% | R_0201_0603Metric | R2 |
| 1 | 3.3K 1% | R_0201_0603Metric | R3 |
| 1 | 7.68K 1% | R_0201_0603Metric | R4 |
| 1 | 24K 1% | R_0201_0603Metric | R5 |
| 1 | 75K 1% | R_0201_0603Metric | R6 |
Prototype2 design files
The KiCad project lives in the nmikstas/atari_pokey repository on GitHub; these links point at the commit this page was built from.
Prototype2: common questions
How big is the Prototype2 PCB?
The Prototype2 measures 50.3 × 63.5 mm, has 4 copper layers and is 1.6 mm thick.
How many components are on the Prototype2?
93 components, from 18 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 Prototype2 design files?
From the nmikstas/atari_pokey repository on GitHub, which has the KiCad layout, the schematic and the BOM; the links under Design files point to each one.
Can I use the Prototype2 design in my own project?
The repository has no license, so all rights stay with nmikstas. Use it as a reference, and ask the author before reusing the design.
More boards in atari_pokey
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Quad Prototype
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Though Hole Single Xilinx
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