Z80 Cpu Board
About the Z80 Cpu Board
Z80 Cpu Board is an open source PCB design by obiwanjacobi, published on GitHub under the Custom license license. It is a 2-layer board measuring 99.7 × 99.7 mm, with 38 components from 10 distinct parts.
Other key parts include the UM61512A, Z80CPU, GLT725608, 74F573 and 74HC245. By type, the board carries 17 resistors, 9 ICs, 9 capacitors and 1 connector.
It belongs with the retro computing designs in this gallery.
From the project
Zalt is a home brew Z80 computer with a modern(isch) chipset.
Zalt is a home brew Z80 computer with a modern(isch) chipset.
Disclaimer: Only at a very basic level does any of the BIOS code work - see tests. A lot of the source code is still being developed (and changed).
Main components on the Z80 Cpu Board
Z80 Cpu Board bill of materials (BOM)
38 components, 10 distinct parts.
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 4 | UM61512A | DIP-32_0_ELL | IC101, IC102, IC103, IC104 |
| 1 | Z80CPU | DIP-40_W15.24mm_LongPads | IC105 |
| 1 | GLT725608 | SOIC-28_7.5x17.9mm_Pitch1.27mm | IC106 |
| 2 | 74F573 | DIP-20_W7.62mm_LongPads | U101, U102 |
| 1 | 74HC245 | DIP-20_W7.62mm_LongPads | U103 |
| 1 | DecodeHdr | Pin_Header_Straight_2x10 | P101 |
| 1 | BUSHDR-A | IDC_Header_Straight_40pins | HDR101 |
| 1 | BUSHDR-B | IDC_Header_Straight_40pins | HDR102 |
| 9 | 100nF | C_0603_HandSoldering | C101, C102, C103, C104, C105, C106, C107, C108 +1 |
| 17 | 10k | R_0603_HandSoldering | R101, R102, R103, R104, R105, R106, R107, R108 +9 |
Z80 Cpu Board design files
The KiCad project lives in the obiwanjacobi/Zalt repository on GitHub; these links point at the commit this page was built from.
Z80 Cpu Board: common questions
How big is the Z80 Cpu Board?
The Z80 Cpu Board measures 99.7 × 99.7 mm, has 2 copper layers and is 1.6 mm thick.
How many components are on the Z80 Cpu Board?
38 components, from 10 distinct parts. The full bill of materials is listed on this page.
Where can I download the Z80 Cpu Board design files?
From the obiwanjacobi/Zalt repository on GitHub, which has the KiCad layout; the links under Design files point to each one.
Can I use the Z80 Cpu Board design in my own project?
It is published under Custom license, which limits how it may be reused; read the license before building on it.
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