AS7C1028 datasheet(5/8 Pages) ALSC

Part #	AS7C1028

Description	5V 256K X 4 CMOS SRAM (Common I/O)

PDF	8 Pages

Scroll/Zoom	100%

Manufacturer	ALSC [Alliance Semiconductor Corporation]

Direct Link	https://www.alliancememory.com

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5 / 8 page

AS7C1028

12/5/06; V.1.0

Alliance Memory

P. 5 of 8

Write cycle (over the operating range)11

Shaded areas contain advance information.

Write waveform 1 (WE controlled)10,11

Write waveform 2 (CE controlled)10,11

Parameter

Symbol

AS7C1028-12

Unit

Notes

Min

Max

Write cycle time

tWC

–

Chip enable to write end

tCW

–

Address setup to write end

tAW

–

Address setup time

tAS

0–

Write pulse width

tWP

–

Write recovery time

tWR

0–

Address hold from end of write

tAH

0–

Data valid to write end

tDW

7–

Data hold time

tDH

–

4, 5

Write enable to output in high Z

tWZ

4, 5

Output active from write end

tOW

–

4, 5

tAW

tAH

tWC

Address

Din

Dout

tDH

tOW

tDW

tWZ

tWP

tAS

tWR

Data valid

tAW

Address

Din

Dout

Data valid

tCW

tWP

tDW

tDH

tAH

tWZ

tWC

tAS

tWR

AS7C1028 Datasheet(PDF) 5 Page - Alliance Semiconductor Corporation

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