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Ultrasim is not recognising hspice (<) syntax

Ankumar15
Hi ,

I am running Ultrasim on hspice control file. I have following syntax in the hspice and Ultraspice does not like "?" . Error message says that "Unexpected ternary operator "?" .
My hspice deck is

.measure tran  v_out  find V(out) at=5n

.measure result param='(V_out > 0.4)?1:0'

Please let me know if you know how to resolve this issue.

 

I am trying to validate  that whether V(out) is greater than 0.4V at 5ns , if yes then declare 1.  I have 10 bit to 1024 decoder and I am trying to make sure that circuit is deoding properly .

If Ultrasim has similar function/syntax then it will be a great help.

Thanks
Anil K.
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