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FastScan and FlexTest Reference Manual, V8.6_4
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Set Stg Extraction Command Dictionary
Set Stg Extraction
Tools Supported: FlexTest
Scope: All modes
Usage
SET STg Extraction ON | OFf
Description
Specifies whether FlexTest performs state transition graph extraction.
The Set Stg Extraction command controls whether FlexTest automatically
performs state transition graph extraction during the pre-processing of the non-
scan circuit. State transition graph extraction can reduce the effort of state
justification during ATPG. However, it can also lead to an increased test set size.
Thus, if you are primarily concerned with the size of the test set, you should turn
state transition graph extraction off.
This command replaces the old Set State Learning command.
Arguments
• ON
A literal that specifies for FlexTest to automatically perform state transition
graph extraction for non-scan circuits. This is the default behavior upon
invocation of FlexTest.
• OFf
A literal that specifies for FlexTest to not perform state transition graph
extraction.
Examples
The following example turns off the state transition graph extraction:
set stg extraction off