PROM programmer

[′präm ′prō‚gram·ər] (electronics) A device that holds several programmable read-only memory (PROM) chips and writes instructions and data into them by melting connections in their circuitry.

PROM programmer

A device that writes instructions and data into PROM chips. The bits in a new PROM are all 1s (continuous lines). The PROM programmer creates only 0s by "blowing" the middle out of the 1s. Some earlier units were capable of programming both PROMs and EPROMs. See PROM.

PROM Programmer