5 Apr
2007
5 Apr
'07
12:57 p.m.
At 12:38 PM 4/5/2007, Tony Duell wrote:
The chip is a 16 pin DIL package marked with the HP
house-number
1858-0054. That's not in my equivalents list. The chip seems to have been
made by RCA, and tracing the connections to it show that 2 of the pins
are grounded, but none of them go to any power line. I susepct it's a
transistor array, therefore (HP1585-xxxx numbers tend to be transistor
arrays too).
Yes, the Google shows an Aligent document naming it as a transistor
array, but alas no pin-out. It looks like Harris/Intersil and RCA
made them, too.
- John