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please, can any body tell me what exactly is this and what it is used for? Answered

is it some kind of controller or somthing , because it's programmable

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iceng
iceng

9 years ago

Years ago Signetics made the WOM ( Write Only Memory )
very good for storing military secrets.

Any way we used UV EPROMs to hold software code that would
be read by an old style central processor to execute a program.

Changing the program was a simple case of exchanging EPROMs ;-)

A

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rickharris
rickharris

9 years ago

What they said and:

The information stored on the Erasable Programmable Read Only Memory device can be erased by exposure to UV light . It has a small glass window on the top for this purpose.

Almost all now replaced with electrically erased eproms.

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steveastrouk
steveastrouk

9 years ago

This is what it says it is: An Erasable Programmable Read Only Memory - UV erasable or One Time Programmable.

It is NOT a controller, its purely a memory.

Steve