Document #: 38-05579 Rev. *J

Page 7 of 18

Switching Characteristics

Over the Operating Range

Parameter [14, 15]

Description

45 ns (Industrial)

Unit

Min

Max

Read Cycle

Read cycle time

45

–

ns

Address to data valid

–

45

ns

Data hold from address change

10

–

ns

CE LOW to data valid

–

45

ns

OE LOW to data valid

–

22

ns

OE LOW to low Z [16]

5–

ns

OE HIGH to high Z [16, 17]

–18

ns

CE LOW to low Z [16]

10

–

ns

CE HIGH to high Z [16, 17]

–18

ns

CE LOW to power-up

0

–

ns

CE HIGH to power-down

–

45

ns

Write Cycle [18]

Write cycle time

45

–

ns

CE LOW to write end

35

–

ns

Address setup to write end

35

–

ns

Address hold from write end

0

–

ns

Address setup to write start

0

–

ns

WE pulse width

35

–

ns

Data setup to write end

25

–

ns

Data hold from write end

0

–

ns

WE LOW to high Z [16, 17]

–18

ns

WE HIGH to low Z [16]

10

–

ns

Notes

a write by going INACTIVE. The data input setup and hold timing should be referenced to the edge of the signal that terminates the write.

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