1. Multiplexers. In the days before PLDs, clever logic designers used multiplexers to realize "random" combinational logic function. For example, a 74x151 8-input multiplexer and appropriate inverters could realize any function of four variables. The multiplexor to the right will be used to implement the following logic function. FABCD= ABD' + A'B' + A'BC'D + BC'D + AB'CD (a) Develop a truth table for F. (b) Implement F utilizing by the multiplexer circuit shown to the right. Show all connections needed for each input. Note: C is the most significant select bit.

1. Multiplexers. In the days before PLDs, clever logic designers used multiplexers to realize "random" combinational logic function. For example, a 74x151 8-input multiplexer and appropriate inverters could realize any function of four variables. The multiplexor to the right will be used to implement the following logic function. FABCD= ABD' + A'B' + A'BC'D + BC'D + AB'CD (a) Develop a truth table for F. (b) Implement F utilizing by the multiplexer circuit shown to the right. Show all connections needed for each input. Note: C is the most significant select bit.

Electric Motor Control

10th Edition

ISBN:9781133702818

Author:Herman

Publisher:Herman

Chapter22: Sequence Control

Section: Chapter Questions

Problem 6SQ: Draw a symbol for a solid-state logic element AND.

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