Prom dates, er codes

[Bruce Plecan]

-----Original Message-----
From: Don.F.Broadus at ucm.com <Don.F.Broadus at ucm.com>
To: diy_efi at efi332.eng.ohio-state.edu <diy_efi at efi332.eng.ohio-state.edu>
Date: Friday, January 22, 1999 12:09 PM
Subject: RE: Prom dates, er codes


95 Man tranny 3.4 camemo.
Bruce


>Could I bother you for some info on a 16196397  BKWX   ECM  it has was
looks
>like a small  cal pak  16171749   and under this number 1034148. It is a
>under hood ECM and has an access door for the calpak.  The guy that gave it
>to me  thinks it is off of a 96 camaro R/S with a V6.   Thanks for the help
>Don
>
>> -----Original Message-----
>> From: Bruce Plecan [SMTP:nacelp at bright.net]
>> Sent: Thursday, January 21, 1999 11:01 PM
>> To: DIY_EFI
>> Subject: Prom dates, er codes
>>
>> As I understand proms, a 27C128, and 27128A are functionally
>> the same, meaning they share CMOS technology.
>>   Anything else may have a different programming voltage, and
>> maybe of a slower operating speed??..
>>
>>   On the few 512 proms I've seen they have all been "27512s", with
>> no As or Cs?.   The ""s are cause I not absolutely sure of that.
>> Thanks     Again reference to gm type memcals
>> Bruce
>