[sdiy] 3x Input OR Gate from NANDs? (v2)

Ingo Debus igg.debus at t-online.de
Sat Oct 6 14:46:04 CEST 2012


Am 05.10.2012 um 21:32 schrieb Justin Owen:

> Like so: http://www.sdiy.org/juz/NAND_logic_02.jpg
> 
> Yes, my requirement is to use 2x input NANDs - so that counts out a 3x input NAND and other non-NAND methods.

A simpler way would be to omit IC4D and IC5B and feed input C directly into both inputs of IC5D instead. But then the propagation delay would not be the same anymore for all three inputs. This may or may not be a problem.

Ingo


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