IS42S32400E データシートの表示（PDF） - Integrated Silicon Solution

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IS42S32400E

4M x 32 128Mb SYNCHRONOUS DRAM

Integrated Silicon Solution 

IS42S32400E, IS45S32400E

CKE TRUTH TABLE

Current State /Function

Activating Clock suspend mode entry

Any Clock suspend mode

Clock suspend mode exit

Auto refresh command Idle (REF)

Self refresh entry Idle (SELF)

Power down entry Idle

Self refresh exit

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

LH

LH

LH

CS RAS CAS WE

×

×

××

×

×

××

×

×

××

L

L

LH

L

L

LH

×

×

××

L

H

HH

H

×

××

×

×

××

Address

×

×

×

×

×

×

×

×

×

8

Integrated Silicon Solution, Inc. - www.issi.com

Rev.  D

05/18/09

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