K4X56163PG Datasheet, PDF (5/23 Pages) Samsung semiconductor – 16M x16 Mobile-DDR SDRAM

K4X56163PG - L(F)E/G
Functional Description
Mobile-DDR SDRAM
POWER
APPLIED
POWER
ON
PRECHARGE
ALL BANKS
EMRS
MRS
CKEH
MRS
DEEP
POWER
DOWN
DEEP
POWER
DOWN
PARTIAL
SELF
REFRESH _SELF
REFRESH
REFS
IDLE
ALL BANKS
PRECHARGED
REFSX
REFA
CKEL
AUTO
REFRESH
CKEH
ACT
POWER
DOWN
POWER
DOWN
CKEH
CKEL
WRITE
ROW
ACTIVE
BURST STOP
READ
WRITEA
WRITE
WRITEA READA
READ
READ
WRITEA
WRITEA
READA
PRE
PRE
PRE
READA
READA
PRE
PRECHARGE
PREALL
Figure.1 State diagram
Automatic Sequence
Command Sequence
January 2006