Week5, Lecture3: Combinational

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Table of Contents

Overview 
Read-only memories (ROMs)
ROM details
Two-level combinational logic using a ROM
ROMs versus PLAs
Regular structures for two-level logic
Regular structures for multilevel logic?
New subject: Arithmetic circuits
Adder/Subtractor
Problem: Ripple-carry delay
One solution: Carry lookahead logic
Another solution: Carry-select adder
Arithmetic logic unit (ALU)
We've finished combinational logic...		 Author: Chris Diorio 

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