AS4LC256K16E0-35JC データシートの表示（PDF） - Alliance Semiconductor

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AS4LC256K16E0-35JC

3.3V 256K X 16 CMOS DRAM (EDO)

Alliance Semiconductor 

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Lower byte early write cycle waveform

RAS

Address

UCAS

LCAS

WE

OE

Upper I/O

Lower I/O

tASR

tRAD

tRAH

Row Address

tCRP

tRC

tRAS

tAWR

tRAL

Column Address

tCRP

tRCD

tASC

tCSH

tWCR

tWCS

tCAH

tRSH

tCAS

tRWL

tCWL

tWCH

tWP

tDHR

tDS

tDH

Data In

Write cycle waveform

RAS

UCAS,

LCAS

Address

tCRP

tASR

tRAH

Row Address

WE

OE

I/O

tRC

tRAS

tRCD

tCSH

tRSH

tCAS

tRAD

tRAL

tAWR

tASC

tCAH

Col Address

tWCR

tRWL

tCWL

tWP

tOEH

tDHR

tOED

tDS

tDH

Data In

AS4LC256K16EO

tRP

tRPC

tCRP

(OE controlled)

tRP

4/11/01; V.1.1

Alliance Semiconductor

P. 11 of 25

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