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HSPICE MOS Level 49 Compatibility in WRspice

In WRspice, level 49 is equivalent to level 7, which is the BSIM3v3.2 model from Berkeley. However, there are differences in the parameter sets between this model and the level 49 model of HSPICE, which is based on BSIM3 and customized for HSPICE. In particular, the HSPICE extensions are not supported in WRspice.

This document lists the parameters that are accepted in HSPICE level 49 model parameter sets that are not supported in the Berkeley model, or have different interpretation. The parameters are listed in alphabetical order, by category. This list is possibly incomplete.

This list also applies to the level 8 (BSIM3v3.2.4) model in WRspice. In WRspice release 2.2.50 and earlier, level 49 was mapped to level 8. However, the VERSION parameter in level 8 must be ``3.2.4'' if given, which is not generally true in imported files. The level 7 model handles earlier versions, notably 3.1, without complaint.



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Stephen R. Whiteley 2017-11-08