TTL HEX LED driver chip

Chuck Guzis cclist at sydex.com
Sun Oct 31 23:31:57 CDT 2010


On 31 Oct 2010 at 23:48, Dan Roganti wrote:

> 4 chip solution, 74247, 74138, 7407, 4066
> No rule against using diodes ;)
> http://www.vintagecomputer.net/ragooman/files/schematics/hexdec/hexdec
> oder1a.jpg

If there's no rule against diodes, then there's a 1-chip solution--a 
74154 feeding a diode matrix.  Indeed, as I mentioned, there are even 
diode arrays with 74xxx part numbers.

--Chuck




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