[sebhc] H-8 question from a new list member.

Lee Hart leeahart at earthlink.net
Thu Apr 1 23:14:27 CST 2004


Gene Buckle wrote:
> Makes me wonder how long my much used USB thumbdrive is going to last
> before it becomes a read-only device. :)

It's worse than that, Gene. A friend of mine wanted to test the life of
one of his flash-memory based gadgets, so he set up a test to read and
write to it over and over. After about 10,000 read/write cycles, he said
"Hah! These are good for lots more cycles than they said."

The next day he tried it again. It had lost the data overnight. He could
still write to it, and read the data back immediately. But it faded away
in just a few hours. Apparently, the more times you write to it, the
shorter the data retention time, until it is too short to be of any
practical use.
-- 
"Never doubt that a small group of committed people can change the
world. Indeed, it's the only thing that ever has!" -- Margaret Meade
--
Lee A. Hart  814 8th Ave N  Sartell MN 56377  leeahart_at_earthlink.net


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