Document Number: 38-05485 Rev. *K

Page 11 of 19

Truth Table

WE

OE

Inputs/Outputs

Mode

Power

HX [33]

X

X

High Z

Deselect/Power down

X [33]

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

Note

33. 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.