---

Version 1.0, August 31, 2001, Copyright, Hugh Jack 1993-2001

---

20.4.2 Common Logic Forms

· Recognizing certain logic forms allows faster identification and solution of design problems.

· These include,

1. - Comparitors
2. - Decoders
3. - Code conversion
4. - Adders/Subtractors

20.4.2.1 - NAND/NOR Forms

20.4.2.2 - Multiplexers

20.4.2.3 - Seal-in Circuits