Tristate Buffer Output if Input is High-Z?
cclist at sydex.com
Thu Sep 29 01:40:37 CDT 2005
On 9/28/2005 at 2:56 AM Jeff Walther wrote:
>If they are real parts, would someone please suggest a part number?
>Preferably an octal transmission gate (eight on a chip) divided into
>two sets of four with separate control lines (OE) and one OE active
>low and the other active high. That's how the SN74ABT241A tristate
>buffer is configured and it's perfect for my application, other than
>the little detail that a tristate buffer doesn't quite meet my needs.
Well, the old 4000-series CMOS has several transmission gates in the series; they call them "bilateral switches". For instance see 4066. Another type is the analogue mux/demux ICs, e.g. 4067.
All probably far too slow for your applicatoin.
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