16 Dec
2016
16 Dec
'16
5:57 p.m.
From: Adrian Graham: Friday, December 16, 2016 5:43 AM
They aren't 'standard' 14-pin DIPs in that
they don't follow the
GND-on-pin-7-Vcc-on-pin-14 layout. Pins 6 and 7 on both are wired together
(not to GND) and form the RESET signal for the 8085 via the 7414 at 10A,
source for this signal is unknown currently. Pin 5 on both appears to be Vcc
and pin 10 is GND or at least are pulled high and low respectively.
If you had Vcc on 10 and GND on 5, I'd suggest UA733. There aren't a
lot of 14 pin chips with the power pins on 5 and 10. (More with 4 and 11.)
Vince