DRAM Memory Tester PCB Board, 1 and 4-bit

The DRAM memory tester PCB board supports the following types:

• 4027 (4K x 1)
• 4108 (8K x 1 – these are 4116 with one functional half: MK4108, TMS4108)
• 4116 (16K x 1)
• 4132 (32K x 1, piggyback)
• 4132 (32K x 1 – these are 4164 with one functional half: TMS4532, M3732)
• 4164 (64K x 1)
• 41128 (128K x 1, piggyback)
• 41256 (256K x 1)
• 4416 (16K x 4)
• 4464 (64K x 4)
• 44256 (256K x 4)

Project:
https://github.com/schlae/pico-dram-tester