Re: Slightly OT: Up/Down-Counter, easy interfaceable to 8-bit MPU

From: Andre Fachat (
Date: 2004-05-02 22:39:43

Did you look at 74LS590? Haven't used it myself but at least
it's an 8bit counter with tri-state.


On Sun, May 02, 2004 at 09:38:28PM +0200, Spiro Trikaliotis wrote:
> Hallo Lee,
> * On Fri, Apr 30, 2004 at 11:41:02PM +0100 Davison, Lee wrote:
> > 74LS191 4 bit binary up/down counters. These can be cascaded to
> thanks for the suggestion. I've already found the 74191 type of ICs.
> Unfortunately, I need 4 of them to get an 16 bit counter, and I also
> need a bus driver to interface them with the MPU: Unfortunately, this is
> way too much for our purpose because we need a very small interface PCB

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