Answered: An asynchronous circuit has two SR…

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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An asynchronous circuit has two SR latches (not edge-triggered FF) denoted SR₁ and SR₂, and two external inputs x₁ and x₂. It also has a single output z. The excitation expressions for the inputs and output equations are (see image).

Using the characteristic equation for an SR latch, draw the excitation table. Then draw the state table, flow table, and flow diagram.

An asynchronous circuit has two SR latches (not edge-triggered FF) denoted SR1 and
SR2, and two external inputs x1 and x2. It also has a single output z. The excitation
expressions for the inputs and output equations are:
S1 = *1Q2 R1 = *1Q2
R2 = 182 + F1Q1
z = Q1Q2 + *1Q2
S2 = 182Q1
Using the characteristic equation for an SR latch, draw the excitation table. Then draw
the state table, flow table, and flow diagram. (Hint: follow the same steps as in the notes)

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