Memory 64K
About the Memory 64K PCB
Memory 64K is an open source PCB design by jerry-kerenzikov, published on GitHub under the CERN-OHL-S-2.0 license. It is a 4-layer board measuring 100 × 51.9 mm, with 59 components from 17 distinct parts.
Other key parts include the AT28BV64B-20SU, CY62128EV30xx-xxS, 74HC245, 74AHC1G08 and 74HC32. By type, the board carries 23 resistors, 14 ICs, 13 capacitors, 5 connectors, 3 diodes and 1 LED.
From the project
Project files for Ytterbium modular CPU platform and Yprog programming tool
Main components on the Memory 64K
Memory 64K bill of materials (BOM)
59 components, 17 distinct parts.
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 1 | AT28BV64B-20SU | SOIC-28W_7.5x17.9mm_P1.27mm | U1 |
| 1 | CY62128EV30xx-xxS | SOP-32_11.305x20.495mm_P1.27mm | U2 |
| 3 | 74HC245 | TSSOP-20_4.4x6.5mm_P0.65mm | U3, U4, U5 |
| 2 | 74AHC1G08 | SOT-23-5 | U6, U12 |
| 2 | 74HC32 | SO-14_3.9x8.65mm_P1.27mm | U7, U8 |
| 1 | 74AHC1G14 | SOT-23-5 | U9 |
| 2 | 74AHC1G00 | SOT-23-5 | U10, U11 |
| 2 | 74LVC2G14 | SOT-23-6 | U13, U14 |
| 2 | Conn_01x10 | PinHeader_1x10_P2.54mm_Vertical | J1, J4 |
| 1 | Conn_02x20_Top_Bottom | PinHeader_2x20_P2.54mm_Horizontal | J5 |
| 1 | Conn_01x03 | PinHeader_1x03_P2.54mm_Vertical | J6 |
| 1 | Conn_01x02 | PinHeader_1x02_P2.54mm_Vertical | J7 |
| 1 | B08 | LED_BAR_08 | BAR1 |
| 3 | LED | LED_0805_2012Metric | D1, D2, D3 |
| 13 | 100n | C_0603_1608Metric | C1, C2, C3, C4, C5, C6, C7, C9 +5 |
| 11 | R_US | R_0603_1608Metric | R1, R2, R3, R4, R5, R6, R7, R8 +3 |
| 12 | 10k | R_0603_1608Metric | R12, R13, R14, R15, R16, R17, R18, R19 +4 |
Memory 64K design files
The KiCad project lives in the jerry-kerenzikov/ytterbium repository on GitHub; these links point at the commit this page was built from.
Memory 64K: common questions
How big is the Memory 64K PCB?
The Memory 64K measures 100 × 51.9 mm, has 4 copper layers and is 1.62516 mm thick.
How many components are on the Memory 64K?
59 components, from 17 distinct parts. The full bill of materials is listed on this page.
Where can I download the Memory 64K design files?
From the jerry-kerenzikov/ytterbium repository on GitHub, which has the KiCad layout and the schematic; the links under Design files point to each one.
Can I use the Memory 64K design in my own project?
Yes, under the terms of its CERN-OHL-S-2.0 license, which jerry-kerenzikov chose for the repository.
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