27c512 vs AT29c512
09-16-2004, 02:39 AM
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27c512 vs AT29c512
I am part way thru a '7747 to '8625 PCM swap in my TBI car.
This thing uses 'bins that are 64k, so I assumed they must be a 27c512...
I went thru my old eprom box and was very suprised to see that my 27c512's are 28pin , but the AT29c512 that I was going to solder into the memcal is 32 pin!!!!
I thought these 27cXXX proms were interchangeable with AT29cXXX????
What 64k eeproms do I need to use in place of the 27c512?
TIA,
Ben.
This thing uses 'bins that are 64k, so I assumed they must be a 27c512...
I went thru my old eprom box and was very suprised to see that my 27c512's are 28pin , but the AT29c512 that I was going to solder into the memcal is 32 pin!!!!
I thought these 27cXXX proms were interchangeable with AT29cXXX????
What 64k eeproms do I need to use in place of the 27c512?
TIA,
Ben.
09-16-2004, 01:28 PM
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Car: 91 Red Sled
Axle/Gears: 10bolt Richmond 3.73 Torsen
Originally posted by ben73
hmmm, I don't think my PP1 supports that SF chip ;-(
Maybe its time for a prominator pro ;-)
hmmm, I don't think my PP1 supports that SF chip ;-(
Maybe its time for a prominator pro ;-)
As for the different pins, I thought they were all 28 pins.
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