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Old 26th Sep 2022, 4:40 pm   #92
ScottishColin
Octode
 
Join Date: May 2012
Location: Perth, Scotland
Posts: 1,762
Default Re: 1978 Commodore PET project

In anticipation, here's the next reading:

UF9 pin 2 - 0.8v
UF9 pin 19 - 0.75v
UF9 pin 5 - 0.52v
UF9 pin 16 - 0.41v
UF9 pin 6 - 0.53v
UF9 pin 15 - 3.5v
UF9 pin 9 - 0.31v
UF9 pin 12 - 0.32v

Again replaced on my adventure - IC is marked as a TI chip 74LS373N which is also available through Cricklewood if required for £1.02 plus P&P - search for 74LS373 if needed.

Colin.
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