Clock Q3 Q2 Q1 QO

Introductory Circuit Analysis (13th Edition)
13th Edition
ISBN:9780133923605
Author:Robert L. Boylestad
Publisher:Robert L. Boylestad
Chapter1: Introduction
Section: Chapter Questions
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Solve the following two parts from question 14:-

2. Analyze the waveforms below, and state
i. whether the flip-flops are positive-
edge triggered or negative-edge
triggered,
ii. the counter output (in decimal) on
each clock cycle, and
iii. whether the circuit is an up-counter
or down-counter.
Clock
Q3
Q2
Q1
QO
Transcribed Image Text:2. Analyze the waveforms below, and state i. whether the flip-flops are positive- edge triggered or negative-edge triggered, ii. the counter output (in decimal) on each clock cycle, and iii. whether the circuit is an up-counter or down-counter. Clock Q3 Q2 Q1 QO
1. Implement a 3-bit synchronous counter
with two select inputs Ctl1:0 using positive-
edge triggered T flip-flops and 4:1 muxes.
The counter operates according to the table
below:
Cth
Ctlo
Operation
Load the
value L
Keeps the
current
1
count
Counts
1
down
1
1
Counts up
Calculate the cost and critical delay for the
entire circuit. Remember that the critical
delay path for a multiplexer is 2At.
Transcribed Image Text:1. Implement a 3-bit synchronous counter with two select inputs Ctl1:0 using positive- edge triggered T flip-flops and 4:1 muxes. The counter operates according to the table below: Cth Ctlo Operation Load the value L Keeps the current 1 count Counts 1 down 1 1 Counts up Calculate the cost and critical delay for the entire circuit. Remember that the critical delay path for a multiplexer is 2At.
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