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- From: MCINTOSH@unamvm1.dgsca.unam.mx ("Harold V. McIntosh")
- Subject: WireWorld AND.
- Message-ID: <9301120416.AA21544@Early-Bird.Think.COM>
- X-Unparsable-Date: Mon, 11 Jan 93 21: 18:22 MEX
- Sender: root@athena.mit.edu (Wizard A. Root)
- Organization: The Internet
- Distribution: inet
- Date: Tue, 12 Jan 1993 04:19:01 GMT
- Lines: 23
-
- Those who were looking for WireWorld hints might try to improve the
- following AND gate, which delivers its result in two clock cycles, or
- 12 ticks (this one doesn't need an explicit clock).
- -
- - ...............
- - .a...bxx.......
- - ..x.....xxx....
- - ...x.x.x...x...
- - ....xxx....x...
- - .....x.x.x.x...
- - ........xxx....
- - .........x.xxc.
- - ...............
- -
- Evidently, the identity used here is
- (a'b)'b = (a+b')b
- = ab + bb'
- = ab = c.
- -
- Harold V. McIntosh |Depto. de Aplicaci'on de Microcomputadoras
- MCINTOSH@UNAMVM1.BITNET |Instituto de Ciencias/UAP
- mcintosh@unamvm1.dgsca.unam.mx |Apdo. Postal 461
- (+52+22)43-6330 |72000 Puebla, Pue., MEXICO
-