SS-50C 1 MB RAM Board

This is still a prototype that we’ve used for about six months now without any problems, so it’s probably time to move it into production.  It’s perfect for the 6809 system that has everything!



  • SS-50C compatible.
  • Unused addressing lines can be disabled, so this will work in a system without all 20 address lines.
  • Entire banks are enabled/disabled via DIP switches.
  • Two 512K fast static RAM chips provide the storage.
  • Very low power consumption.
  • Easily runs at 2 MHz bus speeds.


Leave a Reply