> Best place to lookThe only other markings are the "3821N" and a big block "S", if I remember
>
> www.icmaster.com
>
> It's too old to be there. I will say 7337 is the date code (37th week of
> 1973).
>
> What elses is on the chip? Logo? A service manual would help!!
right probably the Signetics logo.
Dave Bradley
Principal Software Engineer
Engineering Animation, Inc.
daveb@...