On 8/03/2011 11:08 AM, David Eather wrote:
On 8/03/2011 5:20 AM, Jim Thompson wrote:
An XOR is a convenient structure to allow a control signal to invert
or non-invert another signal.

Trouble is (as classically done) inverting has 3 stage delays, while
non-inverting has only 2.

Anyone know of a configuration that has symmetric delays?

Thanks!

(I'm rolling my own at the device level so anything goes :-)

...Jim Thompson

A small look-up table?

I mean something like what is done with a PAL