AS4C256K16F0-25JC データシートの表示（PDF） - Alliance Semiconductor

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AS4C256K16F0-25JC

5V 256K X 16 CMOS DRAM (Fast Page Mode)

Alliance Semiconductor 

AS4C256K16FO

®

Fast page mode byte read-modify-write waveform

tRASP

RAS

tCSH

tRCD

tCRP

tCAS

UCAS

tRP

tRSH

tCAS

tCRP

LCAS

Address

tRAD

tRAH

tASR

R

tCP

tCAH

tASC

C1

tPCM

tCAS

tCAH

tAWD

tASC

C2

tCP

tRAL

tASC

Cn

tCAH

tAWD

WE

OE

Upper Input

Upper Output

Lower Input

Lower Output

tAWD

tRCS

tRWD

tCWD

tCWL

tWP

tCWD

tCWL

tWP

tRWL

tCWD

tCWL

tWP

tOEA

tOEA

tOEA

tOED

tDH

tDS

tRAC

Data In 1

tAA

tOEZ

tCAC

tCLZ

tCAP

tAA

tCAC

Data Out 1

tOED

tDS

tCAP

tAA

tOEZ

tCAC

tCLZ

tOED

tDS

tCLZ

tDH

tDH

Data In n

tOEZ

Data Out n

Data In 2

Data Out 2

4/11/01; V.0.9.1

Alliance Semiconductor

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