Two 74HC4051 (8 to 1 mux) with the outputs tied together. Enable one 
or the other, no need for a 2 to 1 mux.


At 10:08 PM 6/21/2007, you wrote:
>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.
>
>Thanks,
>    Bill
>
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