26 Oct
2010
26 Oct
'10
5:03 p.m.
On 26 Oct 2010 at 18:59, Charles Dickman wrote:
> Was there ever such a thing as a 74x00 series LED driver that did
> proper hex decoding and not simply BCD? I can't seem to find that
> there was.
Also, any of the bipolar PROMs of at least 32 bits (8x4) would do,
e.g. 74S188/288, 82S23/123, etc.
You could even roll your own with a diode matrix and a 4-to-16 demux.
Myself, I've always wondered about a BCD-to-Roman numeral decoder IC.
--Chuck