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 Read Transfer Cycle

RAS VIH –

VIL –

tRC

tRAS

tAR

tCSH

tCRP

tRCD

tRSH

tRP

tCPN

CAS VIH –

VIL –

tRAD

tCAS

tRAL

tASR tRAH tASC

tCAH


,,
,
A0 - A8

VIH –

VIL –

WB/WE VIH –

VIL –

Row Address

tWSR tRWH

SAM Start

Address (n)

A0 - A7: TAP

DT/OE

VIH –

VIL –

tTLS tTLH

tSTS

tRFH

tSTH

DSF

VIH –

VIL –

tFSR

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– 510

SIO4 VOL – (254)

511

n

n+1

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

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

(509)

tSQD

VOH–

QSF VOL –

Lower SAM 0 - 255

254

(510)

255

(511)

tSQD

Upper SAM 256 - 511 Note: SE = VIL

"H" or "L"

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