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programmable read-only memory

   Also found in: Acronyms, Wikipedia 0.02 sec.

See PROM.

(storage)Programmable Read-Only Memory - (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.
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If a HMMWV with a newly installed transmission goes into "limp mode" (won't shift out of second gear right away, it could have the wrong erasable programmable read-only memory (EPROM) chip installed.
4L8OE tranny troubleshooting by PS, the Preventive Maintenance Monthly
In addition, FRAM's fast write capability and unlimited write endurance make it superior to other types of nonvolatile memory, such as electrically erasable programmable read-only memory (EEPROM) or Flash.
Ramtron announces 1-megabit FRAM memory by EDP Weekly's IT Monitor
1 protocol module for high-speed serial communication up to 10Mbit/sec on each of two channels -- Dual channels for fault tolerance or independent operation for 2x bandwidth -- 32 message buffers, each with a payload up to 254 bytes of data -- 128KB flash memory with optional error code correction (ECC) -- 2KB electrically erasable programmable read-only memory (EEPROM) -- 16KB random access memory (RAM) -- Loop control Pierce oscillator with 0.
Freescale Drives Toward the Autonomous Vehicle with FlexRay(TM) ... by Business Wire
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