Triggering
To verify that the chip select line of a memory chip is strobed after the address is stable
To verify that the chip select line of a memory chip is strobed after the address is stable
1Select the timing analyzer Trigger menu.
2Define a term called ADDRESS to represent the address in question and the Edge1 term to represent the asserting transition on the chip select line.
You can rename the Edge1 term to suit the problem, for example, to MEM_SEL.
3Under Timing Sequence Levels, enter the following sequence specification:
∙Find “ADDRESS” > 80 ns
∙TRIGGER on “MEM_SEL” 1 time Else on “≠ ADDRESS” go to level 1