Mystery IC: Allen Bradley 314B102

Mike Ross tmfdmike at
Mon Dec 14 07:58:27 CST 2015

Pretty good guess actually... The rest of the board is pretty simple stuff
I think... Maybe just pullups... Someone who is better than me at squinting
at old circuitry can take a peek!

On Dec 15, 2015 2:18 AM, "tony duell" <ard at> wrote:

> > Can anyone give me a clue as to the purpose and pinouts of an Allen
> > Bradley 314B102??!!
> First guess, it's not really an IC, it's a resistor array. Either separate
> resistors
> going across the chip or resistors all commoned to the highest numbered
> pin (which may well be +5V).
> I would secondly guess that '102' means 1k (10*10^2)
> -tony

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