http://www.atmel.com/dyn/resources/prod_documents/DOC0321.PDF

Description
The AT27C010(L) is a low-power, high-performance 1,048,576-bit one-time programmable
read only memory (OTP EPROM) organized as 128K by 8 bits.



I learned that EPROM = erasable programmable read-only memory.

What does the "E" stand for in a one-time programmable device?

Shouldn't these devices be listed as PROMs?

thanks
chuckc

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