The full form for EEPROM is Electrically Erasable Programmable Read Only Memory. These allow for the erasing of individual bytes or the entire memory space electrically without the need of UV light. The individual bytes can be easily erased without having to erase everything on the chip. Even though the process of burning is longer than the EPROM, they are worth the wait.
EEPROM is also called non-volatile memory, as when it is turned off, the stored data in the chip will not be erased. All the new EEPROM will not have any data in it and will have to be programmed by an EEPROM chip programmer before it can be used. All the information stored in this type of memory can be retained for many years even without a steady power supply offering many benefits to the users.
There are a number of functions of eeprom and they are used to store user programmable information like VCR programming information, CD programming information, digital satellite receiver control data, user information on various consumer products and much more.
It is also quite easy to understand if the eeprom data is corrupted or damaged. Some of the common symptoms are no high voltage, no display, horizontal or vertical frequencies run, cannot store any current settings, control functions like sound, brightness or contrast control do not function, on screen display does not function and many more.
EEPROM do not fail, they only have their memory corrupted seldom due to high voltage or static discharge. But, once these are reprogrammed, they will start to work as new. You can find a number of companies selling EEPROM programmer and you need to make sure that you pick the right one.
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