What is the optimum frequency range for a full adder cell?

[siddhiqvlsi]

What is the optimum frequency range for a full adder cell....i have used 1 MHZ....Is that OK?...Can any one help me?....

Thanks in advance....

 

[andre_luis]

This question is somewhat empty if you don´t specify manufacturing technology of the standard cell.


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[siddhiqvlsi]

This question is somewhat empty if you don´t specify manufacturing technology of the standard cell.


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I have used PTM 32nm finfet model for simulation......done using hspice.....full adder cell designed using conventional( 28 transistor model), pass transistor logics etc.....

 

[erikl]

What is the optimum frequency range ...

What do you understand as optimum? Optimum usually is what your application needs.

Should you think of maximum frequency:
Sweep up your analysis frequency (under worst case conditions, eventually) until the circuit doesn't work correctly any more. Define your max. frequency a bit less. Should be several 100MHz .. 1GHz in your tech.

 

[siddhiqvlsi]

Thanks for your reply......