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SOJ Adapter

tops4u·Ram-Tester·Schematic/SOJ_Adapter/SOJ_Adapter.kicad_pcb

SOJ Adapter PCB layout, top view — open source board by tops4u
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About the SOJ Adapter PCB

SOJ Adapter is an open source PCB design by tops4u, published on GitHub under the GPL-3.0 license. It is a 2-layer board measuring 56.5 × 44.7 mm, with 7 components from 7 distinct parts.

It belongs with the retro computing designs in this gallery.

From the project

Ram Tester for vintage CBM Computer RAM Chips

This Adapter add 2 SOJ 26 Sockets which allows for testing of 514256/514400 Style RAM and 511000/411000 RAM in SOJ Packages.

It also adds 2 ZIP Sockets, one for 511000/411000 RAM in ZIP Package and the other for 41256 RAM in ZIP Package.

SOJ Adapter, from the project README
From the project README

SOJ Adapter bill of materials (BOM)

7 components, 7 distinct parts — part numbers from the project's BOM.

QtyPartRefs
1
256K x 4 / 1M x 4
J1
1
1M x 1
J2
1
Conn_02x10_Counter_Clockwise
J3
1
1M x 1 odd
J4
1
1M x 1 even
J5
1
41256 odd
J6
1
41256 even
J7

SOJ Adapter design files

The KiCad project lives in the tops4u/Ram-Tester repository on GitHub; these links point at the commit this page was built from.

SOJ Adapter: common questions

How big is the SOJ Adapter PCB?

The SOJ Adapter measures 56.5 × 44.7 mm, has 2 copper layers and is 1.6 mm thick.

How many components are on the SOJ Adapter?

7 components, from 7 distinct parts, with part numbers taken from the project's own BOM. The full bill of materials is listed on this page.

Where can I download the SOJ Adapter design files?

From the tops4u/Ram-Tester repository on GitHub, which has the KiCad layout, the schematic and the BOM; the links under Design files point to each one.

Can I use the SOJ Adapter design in my own project?

Yes, under the terms of its GPL-3.0 license, which tops4u chose for the repository.

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