7:52lecture4.pdf1- HIGH, O-LOWEXAMPLE 3-2ta) Develop the truth table for a 3-input AND gate(b) Determine the total number of possible input combinations for a 4-input AND gate.Solution (a) There are eight possible input combinations (2 - 8) for a 3-input AND gate. Theinput side of the truth table (Table 3-3) shows all eight combinations of three hits.The output side is all Os except when all three input bits are IsTABLE 3-INPUTSOUTPUT1.(b) N-2- 16. There are 16 possible combinations of input bits for a 4-inputAND gate.Related Problem Develop the truth sahle for a 4-input AND gate.|EXAMPLE 3-3If two waveforms, A and B, are applied to the AND gate inputs as in Figure 3-11,what is the resulting output waveform?HIGHA LOWR HIGHLOW-HIGHLOWA and are both HIGH during those four time intervalsTherefore X is HIGH.A FIGURE 3-11Solution The output waveform X is HIGH only when both A and B waveforms are HIGH asshown in the timing diagram in Figure 3-11.Related Problem Determine the output waveform and show a timing diagram if the second and fourthpulses in waveform A of Figure 3-11 are replaced by LOW levels.EXAMPLE 3-4For the two input waveforms, A and B, in Figure 3-12, show the output waveformwith its proper relation to the inputs.HIGHLOWInputsHIGHLOWHIGHOutput XLOWFIGURE 3-12Solution The output waveform is HIGH only when both of the input waveforms are HIGH asshown in the timing diagram.Related Problem Show the output waveform if the B input to the AND gate in Figure 3-12 is alwaysHIGH.EXAMPLE 3-5

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EXAMPLE 3-2 (a) Develop the truth tahle for a 3-input AND gate. (b) Determine the total number of possible input combinations for a 4-input AND gate. Solution (a) There are eight possible input combinationm (2 -8) for a 3-input AND gate. The input side of the truth tahle (Table 3-3) shows all eight combinations of three hits. The output side is all Os escept when all three input bits are I TABLE 3- INPUTS OUTPUT 3D (b) N-2- 16, There are 16 possihle combinations of input hits for a 4-input AND gate Related Prohlem Develop the truth sahle for a 4-input AND pate.

EXAMPLE 3-2 (a) Develop the truth tahle for a 3-input AND gate. (b) Determine the total number of possible input combinations for a 4-input AND gate. Solution (a) There are eight possible input combinationm (2 -8) for a 3-input AND gate. The input side of the truth tahle (Table 3-3) shows all eight combinations of three hits. The output side is all Os escept when all three input bits are I TABLE 3- INPUTS OUTPUT 3D (b) N-2- 16, There are 16 possihle combinations of input hits for a 4-input AND gate Related Prohlem Develop the truth sahle for a 4-input AND pate.

Introductory Circuit Analysis (13th Edition)

13th Edition

ISBN:9780133923605

Author:Robert L. Boylestad

Publisher:Robert L. Boylestad

Chapter1: Introduction

Section: Chapter Questions

Problem 1P: Visit your local library (at school or home) and describe the extent to which it provides literature...

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