AS4LC256K16E0-60TC Просмотр технического описания (PDF) - Alliance Semiconductor

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AS4LC256K16E0-60TC

3.3V 256K x 16 CM0S DRAM (EDO), 45ns RAS access time

Alliance Semiconductor 

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Early write cycle waveform

RAS

UCAS,

LCAS

Address

tCRP

tASR

Row Address

WE

tRC

tRAS

tRCD

tCSH

tRSH

tCAS

tRAD

tRAH

tAWR

tRAL

tASC

tCAH

Col Address

tWCS

tWCR

tCWL

tRWL

tWP

tWCH

OE

tDHR

tDS

tDH

I/O

Data In

AS4LC256K16EO

tRP

Upper byte early write cycle waveform

tRC

tRAS

RAS

tASR

tRAH

tRAD

tAWR

tRAL

Address

Row Address

Column Address

UCAS

tCRP

tASC

tRCD

tCSH

tCAH

tRSH

tCAS

tCRP

LCAS

tCWL

tWCS

tWCR

tRWL

tWP

WE

OE

Upper I/O

tDHR

tDS

tDH

Data In

Lower I/O

tRP

tRPC

tCRP

tWCH

4/11/01; V.1.1

Alliance Semiconductor

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