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Difference between EEPROMs...?

Discussion in 'Electronic Design' started by David Harper, Jun 19, 2004.

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  1. David Harper

    David Harper Guest

    I was looking for some EEPROMS, and was wondering what the difference
    is that would drive some, although spec'ed similarly, to be so
    different in price?

    For instance, I was looking for the following EEPROM's on Digikey:

    IC SERIAL EEPROM SPI 8K X 8 8DIP

    One by Atmel (PN: AT25640-10PI-1.8) was $8.71, while one by Microchip
    Technologies (PN: 25LC640-I/P) was $1.08! And the $8.71 had a slower
    speed?! What gives? Both were for a quantity of "1"...

    Maybe this link will work here:
    http://www.digikey.com/scripts/DkSearch/dksus.dll?Criteria?Ref=215397&Site=US&Cat=31523508

    What's the big difference?

    Any insight would be appreciated!

    Thanks in advance!
    Dave
     
  2. Rileyesi

    Rileyesi Guest

    One by Atmel (PN: AT25640-10PI-1.8) was $8.71, while one by Microchip

    You have to look at the data sheets to see the difference. At first glance,
    the Atmel part has a wider supply voltage range.
     
  3. Michael

    Michael Guest


    I wondered the same thing myself a couple years ago. Also wondered my
    Microchip seemed to be leading the pack as far as capacity. I didn't
    get bogged down by it. Purchased a big handful of Microchip 24LC256
    (32k x 8) and haven't looked back.
     
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