high level on different 6502

From: didier derny <didier_at_aida.org>
Date: Sat, 5 Nov 2016 21:37:34 +0100
Message-ID: <8b0d67a9-bc60-d28d-f4e5-6ed34b35713f@aida.org>
while checking some signals on the 6502 of my 8032 motherboard
I found the 'high' level rather low 2.5v  (I expected around 4v...)

so I took my SYM1 board and tested several 6502
MOS         6502       around  4v
Rockwell  6502       around  4v
Rockwell  65c02     around  5v
Synertek  6502       around  2.5v
                  CM630   around  4v      (bulgarian clone)

I tried several 6502 of each type...

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Received on 2016-11-05 21:00:07

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