EMD12324PV Emlsi Inc., EMD12324PV Datasheet - Page 5

• Manufacturer Part Number: EMD12324PV
• Description: 512m 16m X 32 Mobile Ddr Sdram
• Manufacturer: Emlsi Inc.

Device Operation
Simplified State Diagram
ACT = Active
BST = Burst Terminate
CKEL = Enter Power-Down
CKEH =Exit Power-Down
DPDS = Enter Deep Power-Down
DPDSX = Exit Deep Power-Down
Power
applied
WRITE
PRE
Precharge
All Banks
Power
EMRS
MRS
On
WRITEA
WRITE A
WRITE
Active
Power
Down
DPDSX
MRS
WRITE
EMRS = Ext. Mode Reg. Set
MRS = Mode Register Set
PRE = Precharge
PREALL = Precharge All Banks
REFA = Auto Refresh
REFS = Enter Self Refresh
CKEL
CKEH
WRITEA
PRE
precharged
Precharge
All banks
PREALL
Power
Active
Down
Deep
DPDS
Row
ACT
PRE
Idle
5
READA
READ
READA
CKEH
REFS
PRE
READ
CKEL
REFSX
REFA
Precharge
READ A
Refresh
BST
Power
READ
Down
Burst
Self
Stop
READA
512M: 16M x 32 Mobile DDR SDRAM
REFSX = Exit Self Refresh
READ = Read w/o Auto Precharge
READA = Read with Auto Precharge
WRITE = Write w/o Auto Precharge
WRITEA = Write with Auto Precharge
Refresh
Command Sequence
Auto
Automatic Sequence
READ
EMD12324PV
Preliminary
Rev 0.0