PROM ==>

Programmable Read-Only Memory

<storage> (PROM) A kind of ROM which can be written using a PROM programmer. The contents of each bit is determined by a fuse or antifuse. The memory can be programmed once after manufacturing by "blowing" the fuses, which is an irreversible process. Blowing a fuse opens a connection while blowing an antifuse closes a connection (hence the name). Programming is done by applying high-voltage pulses which are not encountered during normal operation.

Last updated: 1995-04-22

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Nearby terms: Programmable Array Logic « Programmable Interrupt Controller « Programmable Logic Controller « Programmable Read-Only Memory » Programmed Data Processor » PROgrammed Graph REwriting Systems » programmer


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Copyright Denis Howe 1985

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