No, you need only 3 address line and one enable line, this enable line with one inverter (74HC04) and that is all. I used and work very well Pablo Ginhson> Date: Fri, 22 Jun 2007 08:01:33 -0400> From: bcouture@gmail.com> To: piclist@mit.edu> Subject: Re: [EE] 16 to 1 Analog multiplexer?> > On 6/22/07, Kevin Timmerman wrote:> > > Two 74HC4051 (8 to 1 mux) with the outputs tied together. Enable one> > or the other, no need for a 2 to 1 mux.> > Hmmm... so I'd use 3 address lines to each chip, with the 4th address> line used as the chip select (with an inverter for the 2nd chip select,> something like a 74hc1g00). So it's 3 chips (or should I say 2 1/2 chips? :))> That's better, though I'd still like a 1 chip solution.> > Thanks!> Bill> > > >Can anyone suggest a 16 to 1 analog multiplexer chip that uses 5V, like a> > >souped-up 74HC4052 or a 5V dg406b?> > >> > >Yes, I could use 4 74hc4052 into a 5th 74hc4052, but I'm limited on board> > >space. And, while 24V is available for th dg406b, a 5V chip would be> > >nicer.> > -- > Psst... Hey, you... Buddy... Want a kitten? straycatblues.petfinder.org> -- >! http://www.piclist.com PIC/SX FAQ & list archive> View/change your membership options at> http://mailman.mit.edu/mailman/listinfo/piclist _________________________________________________________________ Consigue el nuevo Windows Live Messenger http://get.live.com/messenger/overview -- http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist