Z2 io test02
About the Z2 io test02 PCB
Z2 io test02 is an open source PCB design by krzys9876, published on GitHub under the MIT license. It is a 2-layer board measuring 104.8 × 101 mm, with 65 components from 19 distinct parts.
Other key parts include the 74LS154, 74HC245, 74LS32, Z8440 and 74HC374. By type, the board carries 24 resistors, 16 diodes, 8 ICs, 8 capacitors, 7 connectors and 1 fuse.
It belongs with the test & measurement designs in this gallery.
From the project
KiCad projects (schematics and boards) for a full-diy ZX Spectrum replica
All boards that I designed, etched and soldered to create a full-diy replica of ZX Spectrum. Kicad4 (just a keyboard) and Kicad5
This is NOT a cycle-perfect replica so do not expect to launch fancy demos on it. The project started as a breadboard simplest possible computer using Z80. Quite quickly I started thinking of making a replica of ZX Spectrum - the first computer I ever used as a kid. All I wanted was to:
Main components on the Z2 io test02
Z2 io test02 bill of materials (BOM)
65 components, 19 distinct parts.
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 1 | 74LS154 | DIP-24_W7.62mm | U1 |
| 1 | 74HC245 | DIP-20_W7.62mm | U3 |
| 2 | 74LS32 | DIP-14_W7.62mm | U4, U9 |
| 1 | Z8440 | DIP-40_W15.24mm | U5 |
| 2 | 74HC374 | DIP-20_W7.62mm | U6, U8 |
| 1 | 74LVC1G14 | SOT-353_SC-70-5 | U7 |
| 1 | KB_SEL | PinHeader_2x02_P2.54mm_Vertical | J1 |
| 1 | CONN | PinHeader_1x37_P2.54mm_Horizontal | J2 |
| 1 | UART_A | PinHeader_1x06_P2.54mm_Horizontal | J3 |
| 1 | UART_B | PinHeader_1x06_P2.54mm_Horizontal | J4 |
| 1 | PW_SEL | PinHeader_2x02_P2.54mm_Vertical | J5 |
| 1 | CONN_OUT | PinHeader_2x04_P2.54mm_Vertical | J6 |
| 1 | LED_EN | PinHeader_1x02_P2.54mm_Vertical | J7 |
| 1 | Fuse | Fuse_1812_4532Metric | F1 |
| 1 | DIP_SW_C | DIP-16_W7.62mm | SW1 |
| 16 | LED | D_0805_2012Metric | D2, D3, D4, D5, D6, D7, D8, D9 +8 |
| 7 | 100n | C_1206_3216Metric | C1, C3, C5, C6, C7, C8, C9 |
| 1 | 10u | C_1210_3225Metric | C2 |
| 24 | R | R_0805_2012Metric | R2, R3, R4, R5, R6, R7, R8, R9 +16 |
Z2 io test02 design files
The KiCad project lives in the krzys9876/ZX_Spectrum_diy repository on GitHub; these links point at the commit this page was built from.
Z2 io test02: common questions
How big is the Z2 io test02 PCB?
The Z2 io test02 measures 104.8 × 101 mm, has 2 copper layers and is 1.6 mm thick.
How many components are on the Z2 io test02?
65 components, from 19 distinct parts. The full bill of materials is listed on this page.
Where can I download the Z2 io test02 design files?
From the krzys9876/ZX_Spectrum_diy repository on GitHub, which has the KiCad layout; the links under Design files point to each one.
Can I use the Z2 io test02 design in my own project?
Yes, under the terms of its MIT license, which krzys9876 chose for the repository.
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