A3000 ram buffer
About the A3000 ram buffer PCB
A3000 ram buffer is an open source PCB design by google, published on GitHub under the Apache-2.0 license. It is a 2-layer board measuring 167 × 49.4 mm, with 69 components from 10 distinct parts.
By type, the board carries 7 resistors and 3 capacitors.
It belongs with the retro computing designs in this gallery.
From the project
Phillip Pearson's retro hardware projects for the Acorn Electron
A3000 ram buffer bill of materials (BOM)
69 components, 10 distinct parts — part numbers from the project's BOM.
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 7 | 74LVC245 | SOIC-20W_7.5x12.8mm_P1.27mm | BUF1, BUF2, BUF3, BUF4, BUF5, BUF6, BUF7 |
| 7 | 100n | C_0805_2012Metric_Pad1.15x1.40mm_HandSolder | CB1, CB2, CB3, CB4, CB5, CB6, CB7 |
| 1 | signal header RAMD1 | Multicomp_MC9A12-3434_2x17_P2.54mm_Vertical | SIGRAMD1 |
| 1 | signal header RAMD2 | Multicomp_MC9A12-3434_2x17_P2.54mm_Vertical | SIGRAMD2 |
| 7 | via array | via_array_1x7_55mil | STAPLE1, STAPLE2, STAPLE3, STAPLE4, STAPLE5, STAPLE6, STAPLE7 |
| 36 | — | via_single | staple_single1, staple_single2, staple_single3, staple_single4, staple_single5, staple_single6, staple_single7, staple_single8 +28 |
| 1 | C28323 10u | C_0805_2012Metric_Pad1.15x1.40mm_HandSolder | C1 |
| 1 | C28323 1u | C_0805_2012Metric_Pad1.15x1.40mm_HandSolder | C2 |
| 1 | C49678 1u | C_0805_2012Metric_Pad1.15x1.40mm_HandSolder | C3 |
| 7 | resistor pack | bourns_cat16_j8_resistor_array | RP1, RP2, RP3, RP4, RP5, RP6, RP7 |
A3000 ram buffer design files
The KiCad project lives in the google/myelin-acorn-electron-hardware repository on GitHub; these links point at the commit this page was built from.
A3000 ram buffer: common questions
How big is the A3000 ram buffer PCB?
The A3000 ram buffer measures 167 × 49.4 mm, has 2 copper layers and is 1.6 mm thick.
How many components are on the A3000 ram buffer?
69 components, from 10 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 A3000 ram buffer design files?
From the google/myelin-acorn-electron-hardware repository on GitHub, which has the KiCad layout and the BOM; the links under Design files point to each one.
Can I use the A3000 ram buffer design in my own project?
Yes, under the terms of its Apache-2.0 license, which google chose for the repository.
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