Modify the circuit of Figure 3-40 so that A 1 = 0 is needed to produce LCD

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Modify the circuit of Figure 3-40 so that A1 = 0 is needed to produce LCD = 1 instead of A1 = 1.


Figure 3-40

A A A3 A4 As As A7 A IN OUT 74HC30 74HC02 W X Note: All gates are CMOS. 74HC32 74HC02 LCD

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Related Book For  answer-question

Digital Systems Principles And Application

ISBN: 9780134220130

12th Edition

Authors: Ronald Tocci, Neal Widmer, Gregory Moss

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