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Unformatted text preview: This problem can be solved by using edge triggering instead of level triggering. There are two type of edge triggering: 1. Positive edge triggering. 2. Negative edge triggering. These are shown in the following Figure. EE200(class 11-1) Prof. M.M. Dawoud 107 Level Triggering Positive Edge Triggering Negative Edge Triggering Edge Triggered D Flip-Flops There are two types of edge triggered flip-flops: 1. Master-slave flip-flop. 2. Positive edge triggered D flip-flop. The Master-Slave D Flip-Flop D Latch (Master) D Latch (Slave) D C D C D CLK Q Y EE200(class 11-1) Prof. M.M. Dawoud 108 The following timing diagram shows how the output Q of the master-slave D flip-flop changes on he negative edge of the clock pulse. Positive Edge Triggered Flip-Flop D CL Y Q...
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This note was uploaded on 05/21/2010 for the course EE EE200 taught by Professor Prof.ahmed during the Spring '09 term at King Fahd University of Petroleum & Minerals.
- Spring '09