The Science of Electronice -Digital by Thomas L. Floyd, David M. Buchla. ISBN: 9

Question

The Science of Electronice -Digital by Thomas L. Floyd, David M. Buchla. ISBN: 978-0-13-087549-5

CHAPTER 7 PAGES 216, BASIC PROBLEMS

2. ) Determine the Q output of a gated D latch for the following inputs if Q is intially LOW.

(a). S=LOW, R=LOW, EN= HIGH

(b). S=LOW, R=HIGH, EN=HIGH

(c). S=HIGH, R=LOW, EN=HIGH

(d). S=HIGH, R=LOW, EN=LOW

4. ) Determine the raised bar Q output of a D flip-flop after one clock pulse for the following inputs:

(a). D=1

(b). D=0

22. ) The following serial data are applied to the flip-flop through the AND gates as indicated in Figure posted below. Determine the resulting serial data that appear on the Q output. There is one clock pulse for each bit time. Assume that Q is intially 0 and PRE and CLR are both HIGH. The leftmost bit is applied first.

J1: 1010011

J2: 0111010

J3: 1111000

K1: 0001110

K2: 1101100

K3: 1010101

Explanation / Answer

2.a) Q=lowas for a D latch ,s=D and R=D' so D=0 for only when when S=0 and R=12.

b) q=low

c)toggle

d)Q=low

22) 0011000

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