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Command Dictionary Report Nonscan Cells
FastScan and FlexTest Reference Manual, V8.6_4
2-341
Report Nonscan Cells
Tools Supported: FastScan and FlexTest
Scope: Atpg, Fault, and Good modes
Usage
For FastScan
REPort NOnscan Cells [-All | -TIE0 | -TIE1 | -TIEX | -TLatch | -Clock_sequential
| -INIT0 | -INIT1]
For FlexTest
REPort NOnscan Cells [-All | -INITX | -TIE0 | -TIE1 | -Hold | -Data_capture]
Description
Displays the non-scan cells whose model type you specify.
The Report Nonscan Cells command displays the instance name, gate number,
and model type of the non-scan cells that you specify. The tool assigns a model
type to the non-scan cells during the Design Rules Check (DRC) in order to model
non-scan memory behavior more exactly.
During scan loading, scan clocks can affect non-scan memory elements. The
worst case is to assume that all non-scan memory elements will have an unknown
state right after scan loading, which makes some faults difficult to test. Therefore,
the tool assigns an appropriate model type to the non-scan cells, which sets them
to known values. The argument descriptions that follow describe the conditions
that the tool uses to make the various model type assignments.
Arguments
• -All
An optional switch that displays all non-scan cells. This is the default.
• -INITX (FlexTest Only)
An optional switch that displays the non-scan cells which FlexTest initializes
to X after each loading.