MSM51V4400E Просмотр технического описания (PDF) - Oki Electric Industry

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MSM51V4400E

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

Oki Electric Industry 

• CAS before RAS Refresh Cycle

tRP

RAS VIH

VIL

tRPC

tCP

tCSR

CAS VIH

VIL

tWR

WE VIH

VIL

tOFF

DQ VOH

VOL

tRAS

tCHR

tWR

FEDD51V4400E-01

MSM51V4400E

tRC

tRP

tRPC

tWR

Open

Note: WE, OE, Address = “H” or “L”

“H” or “L”

• Hidden Refresh Read Cycle

RAS VIH

VIL

tCRP

tRC

tRAS

tRCD

tRSH

CAS VIH

VIL

Address VIH

VIL

WE VIH

VIL

OE VIH

VIL

DQ VOH

VOL

tASR

tRAD

tRAH tASC

tCAH

Row

Column

tRCS

tCAC

tRAL

tAA

tROH

tOEA

Open

tRAC

tCLZ

tRC

tRAS

tRP

tRP

tCHR

tRRH

tOFF

tOEZ

Valid Data-out

“H” or “L”

13/14

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