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Digital Electronics: Principles, Devices and Applications

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392 <strong>Digital</strong> <strong>Electronics</strong>QTQnQn+1TFF0110(a)QTQnQn+1TFF0110(b)Qn0011T0101(c)Qn+10110Qn0011T0101(d)Qn+11001Figure 10.34 (a) Positive edge-triggered toggle flip-flop, (b) a negative edge-triggered toggle flip-flop, (c, d)characteristic tables of level-triggered toggle flip-flops <strong>and</strong> (e, f) Karnaugh maps for characteristic tables (c, d).

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