K4E640412E 데이터 시트보기 (PDF) - Samsung

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K4E640412E

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

Samsung 

Industrial Temperature

K4E660412E,K4E640412E

RAS - ONLY REFRESH CYCLE*

NOTE : W, OE, DIN = Don′t care

DOUT = OPEN

VIH -

RAS

VIL -

VIH -

CAS

VIL -

VIH -

A

VIL -

tCRP

tASR tRAH

ROW

ADDR

tRC

tRAS

tRPC

CMOS DRAM

tR P

tCRP

CAS - BEFORE - RAS REFRESH CYCLE

NOTE : OE , A = Don′t care

VIH -

RAS

VIL -

VIH -

CAS

VIL -

VIH -

W

VIL -

DQ0 ~ DQ3(7)

VOH -

VOL -

tRP

tRPC

tCP

tCSR

tCHR

tWRP

tWRH

tRC

tRAS

tC E Z

OPEN

tRP

tRPC

Don′t care

Undefined

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