Hspice not running the alter statements

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gieselle

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Hello everyone,

I have a simulation test bench for hspice that alters through pvt corners. However every time I run the simulation it only simulates the title condition and ignores the alter statements. This is what I have:

.title tt
.lib ‘path to model file’ tt
.temp 25
.data power_scale vdd_scale
+1.0
.enddata


.alter ff
.del lib all
.lib ‘path to model file’ ff
.temp 125
.data power_scale vdd_scale
+1.10
.enddata

Any ideas on how to solve this?
 
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