CS 4141 Pre-Lab 4: Sequential LogicStudent: Evelyn WongSection: 110Date: Nov. 13, 2018Question 1: DFFBelow are the DFF logic symbol and circuit diagram (from ic_diagrams.pdf).Learn about D Flip-Flop IC 7474. Draw truth table for the output Q and Q’. Consider all inputsincluding PRESET and CLEAR.Inputs OutputsPRESET DATA CLOCK CLEAR Q Q’010111XXX10XXXX↑↑010011110X10Q001X01Q0’Question 2: J
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CS 4141 Pre-Lab 4: Sequential Logic
Student: Evelyn Wong
Section: 110
Date: Nov. 13, 2018
Question 1: DFF
Below are the DFF logic symbol and circuit diagram (from ic_diagrams.pdf).
Learn about D Flip-Flop IC 7474. Draw truth table for the output Q and Q’. Consider all inputs
including PRESET and CLEAR.
Inputs Outputs
PRESET DATA CLOCK CLEAR Q Q’
010111
XXX10X
XXX↑↑0
100111
10X10Q0
01X01Q0
’
Question 2: JK-FF
Below are the logic symbol and IC diagram of the JK-FF.
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