AS7C31024B-20JC datasheet(5/9 Pages) ALSC

Part #	AS7C31024B-20JC

Description	3.3V 128K X 8 CMOS SRAM

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Manufacturer	ALSC [Alliance Semiconductor Corporation]

Direct Link	https://www.alliancememory.com

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5 / 9 page

AS7C31024B

3/24/04, v.1.2

Alliance Semiconductor

P. 5 of 9

®

Write waveform 1 (WE controlled)10,11,12

Write cycle (over the operating range)11, 12

Parameter

Symbol

-10

-12

-15

-20

Unit Notes

Min

Max

Min

Max

Min

Max

Min

Max

Write cycle time

tWC

10–12–15

–

20

–

ns

Chip enable (CE1) to write end

tCW1

8–9–

10

–

12

–

ns

12

Chip enable (CE2) to write end

tCW2

8–9–

10

–

12

–

ns

12

Address setup to write end

tAW

8–9–

10

–

12

–

ns

Address setup time

tAS

0–0–0–

0–

ns

12

Write pulse width

tWP

7–8–9–

12

–

ns

Write recovery time

tWR

0–0–0–

0–

ns

Address hold from end of write

tAH

0–0–0–

0–

ns

Data valid to write end

tDW

5–6–8–

10

–

ns

Data hold time

tDH

0–0–0–

0–

ns

4, 5

Write enable to output in high Z

tWZ

–5–6–7

–8

ns

4, 5

Output active from write end

tOW

1–1–1–

1–

ns

4, 5

tAW

tAH

tWC

Address

WE

DOUT

tDH

tOW

tDW

tWZ

tWP

tAS

Data valid

DIN

tWR

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