Command Dictionary Set Ram Test
FastScan and FlexTest Reference Manual, V8.6_4 2-557
Set Ram Test
Tools Supported: FastScan
Scope: Atpg, Fault, and Good modes
Usage
SET RAm Test Static_pass_thru | Read_only | Pass_thru
Description
Specifies the mode for RAM testing with random or Built-In Self Test (BIST)
patterns.
The Set Ram Test command specifies how FastScan tests RAM using random or
BIST patterns. The default upon invocation of FastScan is Static_pass_thru.
However, if during the design rules check FastScan encounters a violation that
prevents you from using one of the RAM test modes, it displays a message telling
you so and resets the RAM test mode accordingly. You can use the Report
Environment command to display the current RAM test mode.
The Set Ram Test command does not affect the ATPG; it always considers all
usable modes when creating a test pattern for a fault.
Arguments
•Static_pass_thru
A literal that specifies to test RAMs in static-pass-through mode during
random patterns. This is the default behavior upon invocation of FastScan.
•Read_only
A literal that specifies to test RAMS in read-only mode during random
patterns.
•Pass_thru
A literal that specifies to test RAMs in dynamic-pass-through mode during
random patterns.