IS42S16800A-7TL 데이터 시트보기 (PDF) - Integrated Silicon Solution

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IS42S16800A-7TL

16Meg x 8, 8Meg x16 & 4Meg x 32 128-MBIT SYNCHRONOUS DRAM

Integrated Silicon Solution 

IS42S81600A, IS42S16800A, IS42S32400A

ISSI ®

CKE TRUTH TABLE

Current State /Function

Activating Clock suspend mode entry

Any Clock suspend mode

Clock suspend mode exit

Auto refresh command Idle

Self refresh entry Idle

Power down entry Idle

Deep power down entry

Self refresh exit

Power down exit

Deep power down exit

Note: H=VIH, L=VIL x= VIH or VIL, V = Valid Data.

CKE

n–1 n

HL

LL

LH

HH

HL

HL

HL

HL

LH

LH

LH

LH

LH

CS RAS CAS WE

×

×××

×

×

××

×

×

××

L

L

LH

L

L

LH

L

H

HH

H

×

××

L

H

HL

L

H

HH

H

×

××

L

H

HH

H×

××

××

××

Address

×

×

×

×

×

×

×

×

×

×

×

×

×

Integrated Silicon Solution, Inc. — www.issi.com — 1-800-379-4774

9

PRELIMINARYINFORMATION Rev. 00C

01/20/05

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