Document #: 38-05490 Rev. *H

Page 11 of 16

Truth Table

WE

OE

BHE

BLE

Inputs/Outputs

Mode

Power

H

X[29]

XX

X[29]

X[29]

High-Z

Deselect/Power down

X[29]

LX

X

X[29]

X[29]

High-Z

Deselect/Power down

X[29]

X[29]

X

X

H

H

High-Z

Deselect/Power down

L

H

H

L

L

L

L

H

H

L

H

L

Read

L

H

H

L

L

H

Read

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

LH

LX

L

L

Write

LH

LX

H

L

Write

LH

LX

L

H

Write

Note

29. 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.