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On 11-03-07 12:20 PM, 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


The truth tables here may be of help:

http://www.kpsec.freeuk.com/gates.htm#summary



mike


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