NEW - EEPROM expansion (bank switch adapter) — Parallax Forums
Texas Instruments TMS2532 - 1979 Vintage; EPROM - used in #1ESS switch from Western Electric. For those not familiar the #1ESS was used as a local switch in the Bell System later
Texas Instruments TMS2532 - 1979 Vintage; EPROM - used in #1ESS switch from Western Electric. For those not familiar the #1ESS was used as a local switch in the Bell System later
Bought an EPROM Programmer + Eraser | Details | Hackaday.io
Texas Instruments TMS2532 - 1979 Vintage; EPROM - used in #1ESS switch from Western Electric. For those not familiar the #1ESS was used as a local switch in the Bell System later