A 40-pin adapter for the Dataman S4 EPROM Programmer
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README.md
adapter - 1640.brd
adapter - 1640.sch

README.md

Dataman-S4-1640

A 40-pin adapter for the Dataman S4 EPROM Programmer

Allows you to program 16-bits 40 pin EPROMs with your S4 programmer. You'll need a copy of Eagle PCB to open these files.

Parts needed:

  • 18x 1k 0805 resistors
  • 5x 100nF 1206
  • 5x 74xx573 SMD (SO-20)

Errata:

  • There needs to a 1k resistor in series with both the UPPER and LOWER data line. Please refer to the schematic and find a spot on the PCB to put it, maybe cut a trace. Or just fix it on the board :)