ELECTRICAL ENGINEERING 6 COUNTERS 1 Asynchronous Counter 2

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ELECTRICAL ENGINEERING ครงท 6 วงจรนบ (COUNTERS) 1

ELECTRICAL ENGINEERING ครงท 6 วงจรนบ (COUNTERS) 1

Asynchronous Counter [2] 4 -Bit Binary Counter 6

Asynchronous Counter [2] 4 -Bit Binary Counter 6

Asynchronous Counter [3] 4 -Bit Binary Counter 0000 0001 0010 0011 1000 1001 1111

Asynchronous Counter [3] 4 -Bit Binary Counter 0000 0001 0010 0011 1000 1001 1111 0000 7

Asynchronous Counter [4] 3 -Bit Binary Counter 000 001 010 011 100 101 110

Asynchronous Counter [4] 3 -Bit Binary Counter 000 001 010 011 100 101 110 111 000 001 8

Asynchronous Counter [5] ���� Ripple Counter 3 -Bit Binary Counter 000 001 010 011

Asynchronous Counter [5] ���� Ripple Counter 3 -Bit Binary Counter 000 001 010 011 100 101 110 111 000 001 9

Synchronous Counter [2] 4 -Bit Binary Counter ������ 4 -Bit Binary Synchronous Counter 12

Synchronous Counter [2] 4 -Bit Binary Counter ������ 4 -Bit Binary Synchronous Counter 12

Truth Table for a negative edge-triggered JK flip-flop 0 1 1 1 0 0

Truth Table for a negative edge-triggered JK flip-flop 0 1 1 1 0 0 1 1 X X X 0 1 X X X 1 0 1 0 1 1 1 0 X Toggle Set State Reset State Unused State Unchangeed State 14

Truth Table for a negative edge-triggered JK flip-flop 0 0 1 1 0 1

Truth Table for a negative edge-triggered JK flip-flop 0 0 1 1 0 1 0 1 X X 1 0 15

ตวอยางการออกแบบ P. S. 0 0 1 1 [3] N. S. 0 1 0 1

ตวอยางการออกแบบ P. S. 0 0 1 1 [3] N. S. 0 1 0 1 0 0 0 1 1 0 3 -Bit Binary Counter C 1 0 1 0 B A 0 X 1 X 0 0 1 X X X 0 1 X 1 X 0 0 X 1 X X X 0 0 1 X X 0 X 1 1 X X 1 X 119

3 -Bit Binary Counter ตวอยางการออกแบบ [5] C BA 00 01 11 10 0 0

3 -Bit Binary Counter ตวอยางการออกแบบ [5] C BA 00 01 11 10 0 0 1 X X 1 0 1 X X C BA 00 01 11 10 0 X X 1 0 1 X X 1 0 21

ตวอยางการออกแบบ C BA 00 01 11 10 0 1 X X 1 1 1

ตวอยางการออกแบบ C BA 00 01 11 10 0 1 X X 1 1 1 X X 1 3 -Bit Binary Counter [6] C BA 00 01 11 10 0 X 1 1 X 22

Mod-N Asynchronous Counter (N=5) 26

Mod-N Asynchronous Counter (N=5) 26

Mod-N Asynchronous Counter (N=5) 000 001 010 011 100 001 010 011 27

Mod-N Asynchronous Counter (N=5) 000 001 010 011 100 001 010 011 27

Mod-N Asynchronous Counter (N=6) 28

Mod-N Asynchronous Counter (N=6) 28

Mod-N Asynchronous Counter (N=6) 000 001 010 011 100 101 000 001 010 011

Mod-N Asynchronous Counter (N=6) 000 001 010 011 100 101 000 001 010 011 29

Mod-N Synchronous Counter (N=5) 31

Mod-N Synchronous Counter (N=5) 31

Mod-N Synchronous Counter (N=6) 32

Mod-N Synchronous Counter (N=6) 32

Asynchronous Down Counter 000 111 110 101 100 011 010 001 000 11134

Asynchronous Down Counter 000 111 110 101 100 011 010 001 000 11134

Synchronous Down Counter 35

Synchronous Down Counter 35

Synchronous Up-Down Counter 38

Synchronous Up-Down Counter 38

Asynchronous Counters Classifications of Counters Asynchronous Counters OnlyAsynchronous Counters Classifications of Counters Asynchronous Counters Only
12 2 Asynchronous or Ripple Counters Asynchronous counter12 2 Asynchronous or Ripple Counters Asynchronous counter
Asynchronous Counter Digital Electronics Asynchronous Counters This presentationAsynchronous Counter Digital Electronics Asynchronous Counters This presentation
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