3

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

White Electronic Designs

EDI8L32512V

October. 2000

Rev. 3

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

AC CHARACTERISTICS READ CYCLE

Notes: 1. Parameter is guaranteed by design but not tested.

Parameter

Symbol

12ns

15ns

17ns

20ns

Units

JEDEC

Alt.

Min

Max

Min

Max

Min

Max

Min

Max

Read Cycle Time

12

15

17

20

ns

Address Access Time

12

15

17

20

ns

Chip Enable Access

10

12

15

20

ns

Chip Enable to Output in Low Z (1)

3

3

3

3

ns

Chip Disable to Output in High Z (1)

6

7

8

9

ns

Output Hold from Address Change

3

3

3

3

ns

Output Enable to Output Valid

6

7

8

9

ns

Output Enable to Output in Low Z (1)

3

3

3

3

ns

Output Disable to Output in High (1)

6

7

8

9

ns

AC CHARACTERISTICS WRITE CYCLE

Notes: 1. Parameter guaranteed, but not tested.

Parameter

Symbol

12ns

15ns

17ns

20ns

Units

JEDEC

Alt.

Min

Max

Min

Max

Min

Max

Min

Max

Write Cycle Time

12

15

17

20

ns

Chip Enable to End of Write

8

8

10

10

11

11

12

12

ns

ns

Address Setup Time

0

0

0

0

0

0

0

0

ns

ns

Address Valid to End of Write

8

8

10

10

11

11

12

12

ns

ns

Write Pulse Width

8

8

10

10

11

11

12

12

ns

ns

Write Recovery Time

0

0

0

0

0

0

0

0

ns

ns

Data Hold Time

0

0

0

0

0

0

0

0

ns

ns

Write to Output in High Z (1)

0

6

0

7

0

8

0

9

ns

Data to Write Time

6

6

7

7

8

8

9

9

ns

ns

Output Active from End of Write (1)

3

3

3

3

ns