Document Number: 001-09880 Rev. *G

Page 10 of 14

Truth Table

WE

OE

BHE

BLE

Inputs Outputs

Mode

Power

HX[31]

XX

X[31]

X[31]

High Z

Deselect/Power Down

X[31]

LX

X

X[31]

X[31]

High Z

Deselect/Power Down

X[31]

X[31]

X

X

H

H

High Z

Deselect/Power Down

L

H

H

L

L

L

Read

L

H

H

L

H

L

Read

L

H

H

L

L

H

Read

L

H

L

X

L

L

Write

LH

LX

H

L

Write

L

H

L

X

L

H

Write

L

H

H

H

L

H

High Z

Output Disabled

L

H

H

H

H

L

High Z

Output Disabled

L

H

H

H

L

L

High Z

Output Disabled

Note

31. The ‘X’ (Don’t care) state for the chip enables and byte 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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