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IS62WV25616ALL-70T

256K x 16 LOW VOLTAGE, ULTRA LOW POWER CMOS STATIC SRAM

Integrated Silicon Solution 

IS62WV25616ALL, IS62WV25616BLL

WRITE CYCLE NO. 3 (WE Controlled: OE is LOW During Write Cycle)

ADDRESS

OE

CS1

tWC

tSCS1

tHA

WE

LB, UB

DOUT

DIN

tAW

t PWE

tSA

tHZWE

DATA UNDEFINED

HIGH-Z

tLZWE

tSD

tHD

DATA-IN VALID

ISSI ®

WRITE CYCLE NO. 4 (UB/LB Controlled)

ADDRESS

t WC

ADDRESS 1

OE

t SA

CS1 LOW

t WC

ADDRESS 2

WE

UB, LB

DOUT

DIN

t PBW

t HZWE

DATA UNDEFINED

WORD 1

HIGH-Z

t SD

DATAIN

VALID

t HA

t SA

t PBW

WORD 2

t HA

t LZWE

t HD

t SD

DATAIN

VALID

t HD

UB_CSWR4.eps

10

Integrated Silicon Solution, Inc. — www.issi.com — 1-800-379-4774

Rev. C

05/02/05

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