ee120a Lecture 12 - Counters (Slides 2x1 bw)

ee120a Lecture 12 - Counters (Slides 2x1 bw) - 1 Lecture 12...

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Unformatted text preview: 1 Lecture 12 Counters Instructor: Roman Chomko EE120A Logic Design, 10U Electrical Engineering University of California - Riverside Logic Design Counters EE120A Lecture 12 Lecture 12 Counters Instructor: Roman Chomko EE120A Logic Design, 10U Electrical Engineering University of California - Riverside J-K Flip-Flops Arent used much except in some clocked synchrounous state machines si z e ansis Edge-triggered J-K flip-flops act similarly to set/reset with a few exceptions shown in the truth table. NOTE: you can easily implement it by yourself give it a shot 2 Lecture 12 Counters Instructor: Roman Chomko EE120A Logic Design, 10U Electrical Engineering University of California - Riverside T Flip-Flops (Toggle) Most frequently used in counters and frequency dividers however if possible should be avoided since this is an example of the asynchronous design . Well learn how to do it better in a few lectures from now. si z e ansis T flip-flops change state on every tick of the clock. Note that the signal on the flip-flops Q output has Precisely half the frequency of the T input. NOTE (again): you can easily implement it by yourself....
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This note was uploaded on 07/13/2011 for the course EE 120a taught by Professor Roman during the Spring '11 term at Cornell University (Engineering School).

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ee120a Lecture 12 - Counters (Slides 2x1 bw) - 1 Lecture 12...

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