Atari GTIA Interposer
dpicken·atari-hw·gtia-interposer/gtia-interposer.kicad_pcb
About the Atari GTIA Interposer PCB
Atari GTIA Interposer is an open source PCB design by dpicken, published on GitHub under the MIT license. It is a 4-layer board measuring 20.3 × 57.2 mm, with 5 components from 4 distinct parts.
Other key parts include the Atari-GTIA and TXU0304. By type, the board carries 2 ICs, 2 capacitors and 1 connector.
From the project
Hardware for Atari 8-bit projects
- Small Form Factor (SFF) Atari 8-bit compatible system
- USB Keyboard Controller for Atari XL/XE computers

Main components on the Atari GTIA Interposer
Atari GTIA Interposer bill of materials (BOM)
5 components, 4 distinct parts.
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 1 | Atari-GTIA | DIP-40_W15.24mm_Socket | U1 |
| 1 | TXU0304 | TSSOP-14_4.4x5mm_P0.65mm | U2 |
| 1 | GTIA_INTERPOSER | PinHeader_1x05_P2.54mm_Vertical | J1 |
| 2 | 0.1uF | C_0805_2012Metric_Pad1.18x1.45mm_HandSolder | C1, C2 |
Atari GTIA Interposer design files
The KiCad project lives in the dpicken/atari-hw repository on GitHub; these links point at the commit this page was built from.
Atari GTIA Interposer: common questions
How big is the Atari GTIA Interposer PCB?
The Atari GTIA Interposer measures 20.3 × 57.2 mm, has 4 copper layers and is 4.69 mm thick.
How many components are on the Atari GTIA Interposer?
5 components, from 4 distinct parts. The full bill of materials is listed on this page.
Where can I download the Atari GTIA Interposer design files?
From the dpicken/atari-hw repository on GitHub, which has the KiCad layout and the schematic; the links under Design files point to each one.
Can I use the Atari GTIA Interposer design in my own project?
Yes, under the terms of its MIT license, which dpicken chose for the repository.