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9

A.C. CHARACTERISTICS

(Over the recommended operating conditions, unless otherwise specified.)

first) to the time when I/O is no longer being driven into a 5pF load.

Symbol

Parameter

Units

Min.

Max

Min.

Max.

Min.

Max.

Read Cycle Time

100

200

330

ns

CE Access Time

25

50

70

ns

OE Access Time

25

50

70

ns

OE Pulse Width

50

60

90

ns

OE High Recovery Time

50

60

90

ns

CE LOW Time

50

70

90

ns

CE HIGH Time

50

120

180

ns

(4)

CE LOW to Output In Low Z

0

0

0

ns

(4)

CE HIGH to Output In High Z

0

25

0

30

0

35

ns

(4)

OE LOW to Output In Low Z

0

0

0

ns

(4)

OE HIGH to Output In High Z

0

25

0

30

0

35

ns

Output Hold from CE or OE HIGH

0

0

0

ns

WE HIGH Setup Time

25

25

25

ns

WE HIGH Hold Time

25

25

25

ns

CE

WE

tWES

OE

7008 FRM F08

tHIGH

tCE

tOE

t OLZ

tOH

tWEH

HIGH Z

DATA

t OHZ

t HZ

t LZ

tLOW

tRC

I/O

OEL

t

tOEH