MSM514262-70ZS 查看數據表（PDF） - Oki Electric Industry

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MSM514262-70ZS

262,144-Word x 4-Bit Multiport DRAM

Oki Electric Industry 

¡ Semiconductor

MSM514262

Read Modify Write Cycle

tRWC

tRAS

tRP

RAS VIH –

tAR

VIL –

tCSH

tCRP

tRCD

tRSH

tCPN

CAS VIH –

tCAS

VIL –

,,
 A0 - A8

VIH –

VIL –

WB/WE

VIH –

VIL –

DT/OE

VIH –

VIL –

tRAD

tASR tRAH

Row Address

tASC

tCAH

Column Address

tWSR tRWH

tRCS

*1

tTHS

tTHH

tCWD

tAWD

tRWD

tCWL

tRWL

tWP

tOEH

tFHR

tFSR tRFH

tFSC

tCFH

, DSF

VIH –

VIL –

IN

VIH –

VIL –

W1/IO1 -

W4/IO4

OUT

VOH–

VOL –

tMS tMH

WM1 Data

tDZC

tDZO

tOED

tAA

tRAC

Open

tOEA

tCAC

tOEZ

Valid

Data-out

tDS

tDH

Valid

Data-in

"H" or "L"

*1 WB/WE

0

1

WM1 data:

W1/IO1 - W4/IO4

WM1 data

Don’t Care

0: Write Disable

1: Write Enable

Cycle

Write per Bit

Normal Write

13/45

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