K4X56163PE Datasheet, PDF (4/48 Pages) Samsung semiconductor – 16M x16 Mobile DDR SDRAM

K4X56163PE-L(F)G
Functional Description
Simplified State Diagram
Mobile-DDR SDRAM
EXTENDED
MODE
REGISTER
SET
MODE
REGISTER
SET
EMRS
MRS
PARTIAL
SELF
REFRESH _SELF
REFRESH
REFS
REFSX
IDLE
REFA
AUTO
REFRESH
CKEL
POWER
DOWN
CKEH
ACT
CKEH
POWER
DOWN
CKEL
WRITE
ROW
ACTIVE
BURST STOP
READ
WRITEA
WRITE
WRITEA READA
READ
READ
POWER
APPLIED
WRITEA
WRITEA
READA
PRE
PRE
PRE
READA
READA
POWER
ON
PRE
PRE
CHARGE
Figure.1 State diagram
Automatic Sequence
Command Sequence
4
March 2004