[sdiy] Old parts to identify

Mike profpep at hotmail.com
Wed Jan 31 06:26:26 CET 2007


> I just picked up a board loaded with old parts
> because it has 4 nixie tubes.  The parts are the
> vintage 8 pin cans with nomenclature 910, 914,
> and 923.  The numbers are vaguely familiar but I
> just can't remember them.  I believe they are
> Fairchild  and the prefix looks to be a scroll f,
> µ (mu), and L.   The full numbers are like
> 91029-551.  Anyone remember what these are and pointers to datasheets?
>
These sound like RTL logic chips.

There are some notes at:
http://wps.com/archives/solid-state-datasheets/Datasheets/Fairchild-Micrologic1/index.html

The 91029 appears to be a dual 2 inout NOR gate

If you fancy using them, look up the data stuff first. They were 3.6 volts
devices, and there is the concept of 'fan in' to master.


||\/||ike



More information about the Synth-diy mailing list