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Automobile engine ECU, Immo, Air bag chip tunning
Replacing HONDA ECU AT29C256 by SST27SF512
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ZLM
2945 Posts
Posted - 04/28/2008 : 07:33:52
As we know HONDA MCU EPROM chip AT29C256 can be drop-in repaced by W27E257.
Some other chip may need to set the offset when program the chip, such as SST27SF512, need set the offset to 8000H.
more detailes see:
http://www.mcumall.com/forum/topic.asp?TOPIC_ID=1169
Reply #1
DJEsco
USA
6 Posts
Posted - 02/08/2010 : 21:28:54
As we are all now discovering SST27SF512 chips are also no longer being manufactured.
and as many I am seeking a 28 pin replacement.
I welcome any feedback or suggestions on this matter.
(832)798-0000
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