Document #: 001-08029 Rev. *I

Page 8 of 16

Figure 6. Write Cycle No. 2 (CE1 or CE2 controlled) [27, 28, 29, 30]

Figure 7. Write Cycle No. 3 (WE controlled, OE LOW) [27, 30]

Truth Table

WE

OE

Inputs/Outputs

Mode

Power

HX[32]

X

X

High-Z

Deselect / Power-down

X[32]

L

X

X

High-Z

Deselect/Power-down

L

H

H

L

Data out

Read

L

H

H

H

High-Z

Output disabled

L

H

L

X

Data in

Write

Notes

signals can terminate a write by going INACTIVE. Reference the data input setup and hold timing to the edge of the signal that terminates the write

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

pins is not permitted.

DATA VALID

ADDRESS

CE

DATA I/O

WE

DATA VALID

ADDRESS

CE

WE

DATA I/O

NOTE 31

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