Differentiate PROM and EPROM. – InterviewSolution

1.

Differentiate PROM and EPROM.

Answer»

PROM:

Can be Programmed only once.
This has Permanent memory.
Enclosed in plastic package so that not visible to UV light.
Uses high Voltage.

EPROM:

It is reusable and can be programmed multiple times.
EPROMs memory can be erased using UV light.
EPROMs are fused with quartz window.
Also use high Voltage but not enough to alter the semiconductor layer permanently.

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