K4E660412D-JC/L データシートの表示（PDF） - Samsung

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K4E660412D-JC/L

16M x 4bit CMOS Dynamic RAM with Extended Data Out

Samsung 

K4E660412D,K4E640412D

HIDDEN REFRESH CYCLE ( READ )

CMOS DRAM

VIH -

RAS

VIL -

VIH -

CAS

VIL -

VIH -

A

VIL -

VIH -

W

VIL -

VIH -

OE

VIL -

DQ0 ~ DQ3(7)

VOH -

VOL -

tRC

tRAS

tRP

tRC

tRP

tRAS

tCRP

tRCD

tRSH

tASR

tRAD

tRAH

tASC

ROW

ADDRESS

tRAL

tCAH

COLUMN

ADDRESS

tRCS

tCHR

tWRH

tAA

tOEA

OPEN

tCLZ

tRAC

tOLZ

tCAC

tREZ

tWEZ

tOEZ

DATA-OUT

tCEZ

Don′t care

Undefined

* In Hidden refresh cycle of 64Mb A-dile & B-die, when CAS signal transits from Low to High, the valid data may be cut off.

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