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Difference between EEPROMs...?

D

David Harper

Jan 1, 1970
0
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
 
R

Rileyesi

Jan 1, 1970
0
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"...


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

Michael

Jan 1, 1970
0
David said:
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


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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