Instruction register
About the Instruction register PCB
Instruction 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 × 31.6 mm, with 27 components from 11 distinct parts.
Other key parts include the 74AHC1G02, 74HC245, 74HC273 and 74LVC2G14. By type, the board carries 10 resistors, 5 ICs, 5 capacitors, 4 connectors, 2 diodes and 1 LED.
From the project
Project files for Ytterbium modular CPU platform and Yprog programming tool
Main components on the Instruction register
Instruction register bill of materials (BOM)
27 components, 11 distinct parts.
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 1 | 74AHC1G02 | SOT-23-5 | U1 |
| 2 | 74HC245 | TSSOP-20_4.4x6.5mm_P0.65mm | U2, U4 |
| 1 | 74HC273 | TSSOP-20_4.4x6.5mm_P0.65mm | U3 |
| 1 | 74LVC2G14 | SOT-23-6 | U5 |
| 1 | Conn_02x12_Top_Bottom | PinHeader_2x12_P2.54mm_Horizontal | J1 |
| 2 | xR | R_0603_1608Metric | J2, J3 |
| 1 | Conn_01x03 | PinHeader_1x03_P2.54mm_Vertical | J4 |
| 1 | B08 | LED_BAR_08 | BAR1 |
| 2 | LED | D_0805_2012Metric | D1, D2 |
| 5 | 100n | C_0603_1608Metric | C1, C2, C3, C4, C5 |
| 10 | R_US | R_0603_1608Metric | R1, R2, R3, R4, R5, R6, R7, R8 +2 |
Instruction 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.
Instruction register: common questions
How big is the Instruction register PCB?
The Instruction register measures 100 × 31.6 mm, has 4 copper layers and is 1.62516 mm thick.
How many components are on the Instruction register?
27 components, from 11 distinct parts. The full bill of materials is listed on this page.
Where can I download the Instruction 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 Instruction 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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