X2804C

10

Note:

(10) Polling operations are by definition read cycles and are therefore subject to read cycle timings.

SYMBOL TABLE

ADDRESS

An

6612 FHD F08

DIN=X

DOUT=X

DOUT=X

tWC

tOEH

tOES

An

An

CE

WE

OE

I/O7

tDW

WAVEFORM

INPUTS

OUTPUTS

Must be

steady

Will be

steady

May change

from LOW

to HIGH

Will change

from LOW

to HIGH

May change

from HIGH

to LOW

Will change

from HIGH

to LOW

Don’t Care:

Changes

Allowed

Changing:

State Not

Known

N/A

Center Line

is High

Impedance