Mentor v8.6_4 User Manual
FastScan and FlexTest Reference Manual, V8.6_4
2-162
Delete Cell Constraints
Command Dictionary
Delete Cell Constraints
Tools Supported: FastScan and FlexTest
Scope: Setup mode
Prerequisites: You can only delete constraints added with the Add Cell
Constraints command.
Usage
DELete CEll Constraints pin_pathname | {chain_name cell_position} | -All
Description
Removes constraints placed on scan cells.
The Delete Cell Constraints command deletes the constraints placed on scan cells
using the Add Cell Constraints command. You can specify a scan cell by using
either a pin pathname or a position in a scan chain.
using the Add Cell Constraints command. You can specify a scan cell by using
either a pin pathname or a position in a scan chain.
Arguments
•
pin_pathname
A string that specifies the name of an output pin which directly connects to a
scan memory element (you can only specify output pins of buffers and
inverters).
scan memory element (you can only specify output pins of buffers and
inverters).
•
chain_name cell_position
A string and integer pair that specifies the name of a currently-defined scan
chain and the position of the cell in the scan chain. The cell_position is an
integer where 0 is the scan cell closest to the scan-out pin.
chain and the position of the cell in the scan chain. The cell_position is an
integer where 0 is the scan cell closest to the scan-out pin.
•
-All
A switch that deletes all constraints from all scan cells.