EDI8F81024C

4

White Electronic Designs Corporation • (602) 437-1520 • www.wedc.com

White Electronic Designs

July 2002

Rev. 8

White Electronic Designs Corp. reserves the right to change products or specifications without notice.

AC CHARACTERISTICS WRITE CYCLE

E#

A

TAVAV

TELWH

TAVWH

TWLWH

TAVWL

TWHAX

W#

HIGH Z

DATA VALID

TWLQZ

TWHQX

TDVWH

TWHDX

Q

D

WRITE CYCLE 1 - W# CONTROLLED

Note 1: Parameter guaranteed, but not tested.

Symbol

70ns

85ns

100ns

Parameter

JEDEC

Alt.

Min

Max

Min

Max

Min

Max

Units

Write Cycle Time

TAVAV

TWC

70

85

100

ns

Chip Enable to End of Write

TELWH

TELEH

TCW

TCW

65

65

70

70

80

80

ns

ns

Address Setup Time

TAVWL

TAVEL

TAS

TAS

0

0

0

0

0

0

ns

ns

Address Valid to End of Write

TAVWH

TAVEH

TAW

TAW

65

65

70

70

80

80

ns

ns

Write Pulse Width

TWLWH

TWLEH

TWP

TWP

65

65

70

70

80

80

ns

ns

Write Recovery Time

TWHAX

TEHAX

TWR

TWR

0

0

0

0

0

0

ns

ns

Data Hold Time

TWHDX

TEHDX

TDH

TDH

0

0

0

0

0

0

ns

ns

Write to Output in High Z (1)

TWLQZ

TWHZ

0

30

0

35

0

40

ns

Data to Write Time

TDVWH

TDVEH

TDW

TDW

30

30

35

35

40

40

ns

ns

Output Active from End of Write (1)

TWHQX

TWLZ

5

5

5

ns