MSM514262 데이터 시트보기 (PDF) - Oki Electric Industry

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MSM514262

262,144-Word x 4-Bit Multiport DRAM

Oki Electric Industry 

¡ Semiconductor

MSM514262

Split Write Transfer Cycle

tRC

tRAS

tRP

RAS VIH –

tAR

VIL –

tCSH

tCRP

tRCD

tRSH

tCPN

CAS VIH –

tCAS

VIL –

tRAD

tRAL

tASR tRAH tASC

tCAH

A0 - A8

VIH –

VIL –

Row Address

SAM Start

Address (n)



,,
,
WB/WEVIH–

VIL –

tWSR tRWH

A0 - A7: TAP

DT/OE

VIH –

VIL –

tTLS tTLH

tSTS

tRFH

tSTH

DSF

VIH –

VIL –

tFSR

tMS

tOFF

tMH

W1/IO1 - VOH–

W4/IO4 VOL –

WM1 Data

Open

511

n

n+1

n+2 ............... 253

254

255 n+256

(255) (n+256) (n+257) (n+258)

(509) (510)

(511) (n)

SC

VIH –

VIL –

SIO1 - VOH– 511

n

n+1

n+2 ...............

SIO4 V0L – (255) (n+256) (n+257) (n+258)

tSQD

253

(509)

254

(510)

255 n+256

(511)

(n)

tSQD

QSF

VOH –

VOL –

Lower SAM 0 - 255

Upper SAM 256 - 511

Note: SE = VIL

"H" or "L"

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