MSM514400D Просмотр технического описания (PDF) - Oki Electric Industry

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MSM514400D

1,048,576-Word x 4-Bit DYNAMIC RAM : FAST PAGE MODE TYPE

Oki Electric Industry 

E2G0094-17-41G

¡ Semiconductor

MSM514400D/DL

,
,
,
TIMING WAVEFORM

Read Cycle

RAS

VIH

VIL

–

–

CAS VIH –

VIL –

Address VIH –

VIL –

tCRP

tASR

tRC

tRAS

tAR

tRCD

tRAD

tRAH tASC

tCSH

tRSH

tCAS

tCAH

tRAL

Row

Column

tRP

tCRP

tRCS

tRRH

tRCH

, WEVIH–

VIL –

OE

VIH

VIL

–

–

DQ VOH –

VOL –

tAA

tOEA

tROH

Open

tRAC

tCAC

tCLZ

tOEZ tOFF

Valid Data-out

Write Cycle (Early Write)

tRC

"H" or "L"

tRAS

tRP

RAS VIH –

tAR

tCRP

VIL –

tCSH

tCRP

tRCD

tRSH

,
,
,
, CASVIH–

VIL –

VIH –

Address VIL –

WE

VIH

VIL

–

–

OE

VIH

VIL

–

–

tRAD

tRAH

tASR

tASC

Row

tWCS

tCAH

Column

tWCH

tWP

tWCR

tCAS

tRAL

tCWL

tRWL

tDS

tDHR

tDH

DQ VIH –

VIL –

Valid Data-in

Open

"H" or "L"

9/17

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