Mentor v8.6_4 manual Add Random Weights, ADD RAndom Weights percentageof1states primaryinputpin

Add Random Weights Command Dictionary

Add Random Weights

Tools Supported: FastScan

Scope: Atpg, Fault, and Good modes

Usage

ADD RAndom Weights percentage_of_1_states primary_input_pin...

Description

Specifies the random pattern weighting factors for primary inputs.

The Add Random Weights command specifies the percentage of primary input patterns that you want to place at a 1-state during random pattern fault simulation. You can use the Report Random Weights command to display the values in the random weight list for specific primary inputs.

If you delete the flattened model, you also delete all members of the random weight list.

You use this command primarily for simulating Built-In Self Test (BIST) circuitry.

Arguments

∙percentage_of_1_states

A required floating point number between 0.0 and 100.0. FastScan rounds the number to the nearest whole number. The default value is 50.0.

∙primary_input_pin

A required repeatable string that specifies the names of the primary input pins to which you want to apply the weighting factor.

2-106 FastScan and FlexTest Reference Manual, V8.6_4