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LOGIC DESIGN LABORATORY MANUAL - VTU e-Learning Centre

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Logic Design Laboratory Manual 61<br />

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TRUTH TABLE<br />

CLK Q D Q C Q B Q A<br />

1 0 0 1 0<br />

2 0 0 1 1<br />

3 0 1 0 0<br />

4 0 1 0 1<br />

5 0 1 1 0<br />

6 0 1 1 1<br />

7 1 0 0 0<br />

8 1 0 0 1<br />

9 1 0 1 0<br />

10 1 0 1 1<br />

11 1 1 0 0<br />

12 0 0 1 0<br />

c) Design of down counter for preset value 1011 and N=10<br />

CIRCUIT DIAGRAM

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