The 4069 chip is a hex inverter

Bye for now

Eric
-----Original Message-----
From: John P. Leonard <leonard@TARDIS.SVSU.EDU>
To: PICLIST@MITVMA.MIT.EDU <PICLIST@MITVMA.MIT.EDU>
Date: Sunday, January 25, 1998 4:31 PM
Subject: Name that chip! [adjacent topic]


>Hi all,
>
>I need help identifying an IC in a device I'm dissecting.  The device is
>a the receiver for an "invisible fence" system for pets:  a buried
perimeter
>wire emits a signal that is picked up by a small receiver attached to the
>pet's collar.  The transmitter and receiver are both PIC-based; the
receiver
>detects the signal with an IC bearing the following logo and part #:
>
>                  ___________________
>                 /                  /
>               /      ____________/
>             /______/   _________         9  5  3  3  H
>                       /       /
>                     /       /
>                   /       /            4   0  6  9  U  B
>                 /_______/
>
>
>
>This receiver would work perfectly in a project I'm working on.
>Any help on who the manufacturer of the mystery IC would be appreciated.
>
>Thanks,
>John Leonard
>
>J-TRON Eng.
>Midland, MI