8-bit register
jerry-kerenzikov·ytterbium·pcb/pl/8-bit_register/8-bit_register.kicad_pcb
About the 8-bit register PCB
8-bit register 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 65 components from 15 distinct parts.
Other key parts include the 74HC273, 74HC245, 74AHC1G02, 74AHC1G14 and 74AHC1G32. By type, the board carries 21 resistors, 16 ICs, 16 capacitors, 6 connectors, 4 diodes and 2 LEDs.
From the project
Project files for Ytterbium modular CPU platform and Yprog programming tool

Main components on the 8-bit register
8-bit register bill of materials (BOM)
65 components, 15 distinct parts.
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 2 | 74HC273 | TSSOP-20_4.4x6.5mm_P0.65mm | U1, U5 |
| 6 | 74HC245 | TSSOP-20_4.4x6.5mm_P0.65mm | U2, U3, U4, U6, U10, U11 |
| 2 | 74AHC1G02 | SOT-23-5 | U7, U8 |
| 1 | 74AHC1G14 | SOT-23-5 | U9 |
| 2 | 74AHC1G32 | SOT-23-5 | U12, U13 |
| 3 | 74LVC2G14 | SOT-23-6 | U14, U15, U16 |
| 2 | Conn_01x10 | PinHeader_1x10_P2.54mm_Vertical | J1, J4 |
| 2 | xR | R_0603_1608Metric | J2, J3 |
| 1 | Conn_02x20_Top_Bottom | PinHeader_2x20_P2.54mm_Horizontal | J7 |
| 1 | Conn_01x03_Pin | PinHeader_1x03_P2.54mm_Vertical | J8 |
| 2 | B08 | LED_BAR_08 | BAR1, BAR2 |
| 4 | LED | LED_0805_2012Metric | D1, D2, D3, D4 |
| 16 | 100n | C_0603_1608Metric | C1, C2, C3, C4, C5, C6, C7, C8 +8 |
| 20 | R_US | R_0603_1608Metric | R1, R2, R3, R4, R5, R6, R7, R8 +12 |
| 1 | 10k | R_0603_1608Metric | R17 |
8-bit register 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.
8-bit register: common questions
How big is the 8-bit register PCB?
The 8-bit register measures 100 × 51.9 mm, has 4 copper layers and is 1.62516 mm thick.
How many components are on the 8-bit register?
65 components, from 15 distinct parts. The full bill of materials is listed on this page.
Where can I download the 8-bit register 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 8-bit register 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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