HP 16501A LOGIC Uživatelský manuál stáhnout pdf (Strana 25)

To verify that the chip select line of a memory chip is

strobed after the address is stable

1 Select the timing analyzer Trigger menu.

2 Define 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.

Under 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

Verifying Setup Time for Memory Address

Triggering

To verify that the chip select line of a memory chip is strobed after the address is stable

1–15

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HP 16501A LOGIC Uživatelský manuál Strana 25