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Compare EPROM and FLASH memories

written 3.5 years ago by teamques10 ★ 68k

•   modified 3.5 years ago

microprocessors and applications

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written 3.5 years ago by teamques10 ★ 68k

Parameter	Flash Memory	EPROM
Technique used for easing	Fowler-Nordheim tunnelling is used	Exposure to ultraviolet light
Time required for erasing	Instantaneously erased	Relatively long (10 to 15 minutes)
Programming	Takes place block by block	Selective programming of only 0s
Need to remove PROM from circuit	Not necessary	Necessary to remove the PROM
Cost	Less expensive	Very expensive

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