X84160/640/128

11

Write Cycle Limits – X84160/640/128

sequence until the self-timed, internal nonvolatile write cycle is completed.

(6) Data is latched into the X84160/640/128 on the rising edge of CE or WE, whichever occurs first.

(7) Periodically sampled, but not 100% tested.

Symbol

Parameter

Units

Min.

Max.

Min.

Max.

Min.

Max.

(5)

Nonvolatile Write Cycle Time

55

5

ms

Write Cycle Time

70

125

250

ns

WE Pulse Width

20

35

50

ns

WE HIGH Recovery Time

50

90

180

ns

Write Setup Time

0

0

0

ns

Write Hold Time

0

0

0

ns

CE Pulse Width

20

35

70

ns

CE HIGH Recovery Time

50

90

180

ns

OE HIGH Setup Time

25

25

50

ns

OE HIGH Hold Time

25

25

50

ns

(6)

Data Setup Time

12

20

30

ns

(6)

Data Hold Time

5

5

5

ns

(7)

WP HIGH Setup

100

100

150

ns

(7)

WP HIGH Hold

100

100

150

ns