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

EDI8F32512C

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

March 2006

Rev. 9

AC CHARACTERISTICS READ CYCLE

READ CYCLE 2 - W# HIGH

READ CYCLE 1 - W# HIGH, G#, E# LOW

Notes: 1. Parameter guaranteed, but not tested.

FIG. 3

FIG. 2

Parameter

Symbol

15ns

20ns

25ns

Units

JEDEC

Alt.

Min

Max

Min

Max

Min

Max

Read Cycle Time

TRA

15

20

25

ns

Address Access Time

TAA

15

20

25

ns

Chip Enable Access

TACS

15

20

25

ns

Chip Enable to Output in Low Z (1)

TCLZ

3

3

3

ns

Chip Disable to Output in High Z (1)

TCHZ

6

10

12

ns

Output Hold from Address Change

TOH

3

3

3

ns

Output Enable to Output Valid

TOE

6

8

10

ns

Output Enable to Output in Low Z (1)

TOLZ

0

0

0

ns

Output Disable to Output in High (1)

TOHZ

620

8

10

ns

E#

A

W#

HIGH Z

DATA VALID

Q

D

8F32512C Write Cyc1

E#

G#

Q

A

8F32512C Rd Cyc2