4

IDT71V124SA, 3.3V CMOS Static RAM

1 Meg (128K x 8-Bit) Center Power & Ground Pinout

Commercial and Industrial Temperature Ranges

AC Electrical Characteristics

NOTES:

1. 0°C to +70°C temperature range only.

2. This parameter guaranteed with the AC load (Figure 2) by device characterization, but is not production tested.

Symbol

Parameter

71V124SA12

71V124SA15

71V124SA20

Unit

Min.

Max.

Min.

Max.

Min.

Max.

Min.

Max.

READ CYCLE

Read Cycle Time

10

____

12

____

15

____

20

____

ns

Address Access Time

____

10

____

12

____

15

____

20

ns

Chip Select Access Time

____

10

____

12

____

15

____

20

ns

(2)

Chip Select to Output in Low-Z

4

____

4

____

4

____

4

____

ns

(2)

Chip Deselect to Output in High-Z

0506070

8

ns

Output Enable to Output Valid

____

5

____

6

____

7

____

8ns

(2)

Output Enable to Output in Low-Z

0

____

0

____

0

____

0

____

ns

(2)

Output Disable to Output in High-Z

0505050

7

ns

Output Hold from Address Change

4

____

4

____

4

____

4

____

ns

WRITE CYCLE

Write Cycle Time

10

____

12

____

15

____

20

____

ns

Address Valid to End-of-Write

7

____

8

____

10

____

12

____

ns

Chip Select to End-of-Write

7

____

8

____

10

____

12

____

ns

Address Set-up Time

0

____

0

____

0

____

0

____

ns

Write Pulse Width

7

____

8

____

10

____

12

____

ns

Write Recovery Time

0

____

0

____

0

____

0

____

ns

Data Valid to End-of-Write

5

____

6

____

7

____

9

____

ns

Data Hold Time

0

____

0

____

0

____

0

____

ns

(2)

Output Active from End-of-Write

3

____

3

____

3

____

4

____

ns

(2)

Write Enable to Output in High-Z

0505050

8

ns

3873 tbl 08