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CHAPTER 4 COUNTER.

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Presentation on theme: "CHAPTER 4 COUNTER."— Presentation transcript:

1 CHAPTER 4 COUNTER

2 Asynchronous 3 bit down counter

3 Asynchronous down counter

4 Asynchronous down counter

5 4 Bit Asynchronous down counter

6 4 Bit Asynchronous down counter

7 4 Bit Asynchronous down counter

8 UP/DOWN COUNTER UP Counting = the Q o/p of the preceding f/f s connected to the clock of the next stage if up counting is to be achieved. For this mode the mode select i/p M is at logic 0 (M=0). DOWN Counting = if M= 1 then the o/p of the preceding f/f s connected to the clock of the next ff. this will operates the counter in the down counting.

9 3 BIT UP/DOWN COUNTER

10 3 BIT UP/DOWN COUNTER

11 3 BIT UP/DOWN COUNTER

12 3 BIT UP/DOWN COUNTER

13 MOD 10 DECADE COUNTER( ASYNCHRONOUS UP COUNTER)

14 MOD 10 DECADE COUNTER

15 MOD 10 DECADE COUNTER

16 MOD 10 DECADE COUNTER

17 MOD 10 DECADE COUNTER


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