[sdiy] 74HC logic query

[flightofharmony]

It looks like the CD74HC/HCT4514 is your only option (from TI at least).
http://focus.ti.com/lit/ds/symlink/cd74hct4514.pdf

It has input latches, so you can have the outputs as whatever you'd like.


Best regards, 

~flight
flight at flightofharmony.com
http://www.flightofharmony.com


> -----Original Message-----
> From: synth-diy-bounces at dropmix.xs4all.nl [mailto:synth-diy-
> bounces at dropmix.xs4all.nl] On Behalf Of Tom Wiltshire
> Sent: Monday, April 06, 2009 8:13 AM
> To: synth diy
> Subject: [sdiy] 74HC logic query
> 
> Hi all,
> 
> Is there an active-high output version of the 74HC154 4-to-16 decoder?
> 
> For example, the 74HC138 is active-low 3-to-8 decoder, and the
> 74HC238 is an active-high version of the same chip.
> 
> I'm not particularly fussy about the logic family. Generally I use
> 74HC, but if it runs at 5V, that's fine.
> 
> Thanks,
> Tom
> 
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