Document #: 38-05578 Rev. *G

Page 10 of 16

Write Cycle No. 3 (WE Controlled, OE LOW)[24]

Truth Table

WE

OE

Inputs/Outputs

Mode

Power

HX[26]

X

X

High Z

Deselect/Power down

X[26]

L

X

X

High Z

Deselect/Power down

L

H

H

L

Data Out

Read

L

H

L

X

Data In

Write

L

H

H

H

High Z

Selected, Outputs Disabled

VALID DATA

NOTE 25

ADDRESS

WE

DATA I/O

Notes

25. During this period, the I/Os are in output state. Do not apply input signals.

26. The ‘X’ (Don’t care) state for the Chip enables in the truth table refer to the logic state (either HIGH or LOW). Intermediate voltage levels on these pins is not permitted.

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