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27c256's/29c256's whats the minimum speed(nanoseconds)

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Old 02-09-2004, 08:00 AM
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Default 27c256's/29c256's whats the minimum speed(nanoseconds)
i see these things listed by speed in nanoseconds what is the minimum speed that will work with honda ecu's?
thank you
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Old 02-09-2004, 09:33 AM
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Default Re:27c256's/29c256's whats the minimum speed(nanoseconds)
you need a 200ns or less.
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Old 02-09-2004, 11:14 AM
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Default Re:27c256's/29c256's whats the minimum speed(nanoseconds)
ok i have a chip sitting in front of me and it says:
m27c256b
-12FI
B88BV
9518B

so what speed is this one or how do u decode these numbers
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Old 02-09-2004, 02:21 PM
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Default Re:27c256's/29c256's whats the minimum speed(nanoseconds)
IT's 120ns
the 20XFI is 200ns
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Old 02-09-2004, 07:31 PM
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Default Re:27c256's/29c256's whats the minimum speed(nanoseconds)
for some reason iam not connecting the numbers i posted with the numbers u/semnos posted?
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Old 02-10-2004, 09:30 AM
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Default Re:27c256's/29c256's whats the minimum speed(nanoseconds)
what do you mean you are not connecting the numbers?
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Old 02-10-2004, 11:28 AM
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Default Re:27c256's/29c256's whats the minimum speed(nanoseconds)
the numbers i posted how do i tell what speed this chip is?
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Old 02-17-2004, 11:28 AM
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Default Re:27c256's/29c256's whats the minimum speed(nanoseconds)
sorry for being a retard, didnt do my normal research :P on me
http://www.pgmfi.org/twiki/bin/view/...y/ChipsForECUs
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Old 02-17-2004, 11:39 AM
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Default Re:27c256's/29c256's whats the minimum speed(nanoseconds)
roger that big mike
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