PROM Abbreviation

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Popular abbreviations of PROM:

Searching for PROM abbreviation / PROM full form leads to different results in different categories. The below table illustrates the popular acronyms among them.

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What does PROM mean?

PROM is the short form for Programmable Read-Only Memory. It is a type of Read-only Memory in which the contents can be stored and changed only once after the manufacturing. Once written, the data cannot be altered and stays permanent. During the production, they are produced blank and the programmer then stores data into it. The programming process of a PROM is termed as Burning the PROM.

What is ROM?

ROM refers to Read-Only Memory. The name clearly suggests that it is a storage device that only allows reading but not writing. ROM is volatile in nature i.e. the data stays intact if the power is turned off. RAM generally contains information that should not be altered. It contains crucial information such as programs for booting or operating system-related files.

Structure of PROM

A standard PROM consists of an IC package that has the AND plane and OR plane. From these two planes, the OR plane can be programmed while the AND is constant. The AND plane acts as a decoder, decoding the address lines coming into it.

The difference between a standard ROM and a Programmable ROM lies in the fact that PROM is produced as a blank chip. After it gets to a programmer or a user, the data is stored and then both standard and programmable ROM work as the same.

Uses and Applications of PROM

PROM is generally used in digital devices for storing basic low-level programs. The devices utilizing PROMs are:

• Gaming consoles
• Medical devices
• High Definition Multimedia Interfaces
• Mobile Phones
• RFID tags
• Automotive electronic products

Advantages and Disadvantages of PROM

The standard benefit of using a PROM is that since it cannot be unfused, the data stays as it is and no changes can be done to it. Also, the programming of the memory doesn’t rely on hard-wiring and can be done through different programs.

The advantage can also turn into a disadvantage in some cases. If wrongly written, the data cannot be corrected and the errors stay intact.