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IS43LR32640A Datasheet(PDF) 5 Page - Integrated Silicon Solution, Inc

Part # IS43LR32640A
Description  16M x 32Bits x 4Banks Mobile DDR SDRAM
Download  43 Pages
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Manufacturer  ISSI [Integrated Silicon Solution, Inc]
Direct Link  http://www.issi.com
Logo ISSI - Integrated Silicon Solution, Inc

IS43LR32640A Datasheet(HTML) 5 Page - Integrated Silicon Solution, Inc

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Rev. A | Feb 2014
www.issi.com - dram@issi.com
IS43/46LR32640A
Figure3 : Simplified State Diagram
Power
On
Precharge
All Banks
MRS
EMRS
Active
Power
Down
Deep Power
Down
Idle
All Banks
Precharged
Auto
Refresh
Row
Active
Precharge
PREALL
WRITE
WRITE A
READ
READ A
Burst
Stop
Precharge
Power
Down
DPDS
Power
Applied
DPDSX
MRS
REFA
ACT
CKEH
CKEL
REFS
REFSX
Self
Refresh
PRE
CKEL
CKEH
WRITE
READ
BST
PRE
PRE
PRE
WRITE A
WRITE
READ
READ A
READ
WRITE A
READ A
Automatic
sequence
ACT = Active
BST = Burst
CKEL = Enter Power- Down
CKEH = Exit Power-Down
DPDS = Enter Deep Power-Down
DPDSX = Exit Deep Power- Down
EMRS = Ext. Mode Reg. Set
MRS = Mode Register Set
PRE = Precharge
PREALL= Precharge All Banks
REFA = Auto Refresh
REFS = Enter Self Refresh
REFSX = Exit Self Refresh
READ = Read w/o Auto Precharge
READ A = Read with Auto Precharge
WRITE = Write w/o Auto Precharge
WRITE A = Write with Auto Precharge


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