What is the difference between EEPROM and EPROM? - ProProfs Discuss
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What is the difference between EEPROM and EPROM?

Asked by B. Wright, Last updated: Aug 30, 2019

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T. Moore

Have keen interest in writing, traveller by heart.

T. MooreWriter, MA, Washington
Writer, MA, Washington

Answered on Aug 30, 2019

EEPROM and EPROM are two forms of memory storage elements established in the 1970s. These are reprogrammable memory types, and they are typically used in hardware programming. EPROM stands for Erasable Programmable Read-only memory.

EEPROM stands for Electronically Erasable Read-Only Memory, which was the most commonly used memory cell type until flash memory became available. EPROM's need to be erased with exposure to UV light and EROM's can be erased electronically. EPROM's have a quartz window in the package to expose the chip to UV light.

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R. Barnes

Always excited to learn and talk about new topics

R. BarnesAnalyst, PhD, Clinton
Analyst, PhD, Clinton

Answered on Jul 23, 2019

EPROM means erasable programmable read-only memory. This is a type of PROM that can be completely removed or erased if it would be exposed to ultraviolet rays. Once the data has been erased, it can be reprogrammed so that new data can be stored. The EEPROM stands for Electrically Erasable Read Only Memory.

The data that will be stored here can only be removed if they are exposed to various electrical signals. These two can be easy to modify by users depending on the type of data that they would like to place on the RAM. Another difference between the two is that the EPROM would need to be removed from the computer so that the data can be removed. The EEPROM will not require this anymore.

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