CSC270 Homework 4 2012

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--D. Thiebaut 17:23, 22 February 2012 (EST)

This assignment is due on 2/29/12 at 1:10 p.m.



Problem #1

Can one build an RS flip-flop using one NAND and one NOR, wired together in a feedback loop, similar to the NAND-NAND or NOR-NOR RS flip-flop?

Why, or why not?

Problem #2

3DFlipFlopsSimple.png


Given the circuit above, which uses 74LS74 D flip-flops, complete the timing diagram below and show how Q1, Q2 and Q3 behave as a function of time.

CSC270TimingDiagramDClock.png






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