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[Moved] 9-bit shift register Vs 3-bit counter. Which one has larger area?

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alexpanrui

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As mentioned in the title, which one has a larger area?

What I am intended to do is to use shift register as a counter. E.g. If I want to count 8 times of certain operation, a 9-bit shift register is used to shift a binary '1' from index 0 to index 8. The operation stops when '1' reaches index 8. I can also do it with a 3-bit counter. I am just wondering which implementation is more area effective. Thank you.
 

Hi,

I´d say a 3 bit binary counter is more effective.

What device and software do you use?

Klaus
 
Why not build them both and find out?
Different chips have different resources, so results will differ across devices.
Shift register will be 9 registers and no logic. Counter will be 3 registers and some logic.
 
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