What does divide by N counter mean?
A Divide by N counter implies that it divides the input clock frequency by N ie; if you cascade four flip-flops then, the output of every stage is divided by 2, if you are taking the output from the 4th flip-flop, then its output frequency is clock frequency by 16 (2^4).
What is modulus n counter?
The Modulus (or MOD-number) of a counter is the total number of unique states it passes through in one complete counting cycle with a mod-n counter being described also as a divide-by-n counter. The modulus of a counter is given as: 2n where n = number of flip-flops.
What is a divide by 2 counter?
The Divide-by-2 Counter is the first simple counter we can make, now that we have access to memory with flip-flops. So, our Divide-by-2 counter allows us to count clock pulses in a meaningful way. However, with one D-flop, we’ve got a severe limit on how high we can count.
What is divide by 10 counter?
If the counter goes from 0 to 10 but resets immediately without a clock pulse, then there the period is 10 clock pulses long and it is a divide-by-10 counter.
How many flip flops are needed for Mod 10 Johnson counter?
Counting Sequence of Decade counter A decade counter is called as mod -10 or divide by 10 counter. It counts from 0 to 9 and again reset to 0. It counts in natural binary sequence. Here 4 T Flip flops are used.
What is MOD 10 up counter?
A decade counter is called as mod -10 or divide by 10 counter. It counts from 0 to 9 and again reset to 0. It counts in natural binary sequence. Here 4 T Flip flops are used. It resets after Q3 Q2 Q1 Q0 = 1001.
Which counter requires maximum number of flip flops for a given mod number?
The ring counter requires maximum number of flipflop for a given MOD number.
How many flip flops are required for mod n counter?
For a mod N counter, the number of flip flops required is less than or equal to 2 raised to power n where n is a positive integer. Hence, For a mod 10 counter, 10< 2^4. So 4 flip-flops are required.