IC43R16160 Datasheet, PDF (29/56 Pages) Integrated Circuit Solution Inc – 4M x 16 Bit x 4 Banks (256-MBIT) DDR SDRAM

IC43R16160
Simplified State Diagram
Power
Applied
Power
On
Precharge
PREALL
MRS
EMRS
MRS
REFS
Self
Refresh
REFSX
REFA
Auto
Idle
Refresh
CKEH
CKEL
Active
Power
Down
ACT
CKEL
CKEH
Precharge
Power
Down
Write
Write
Write
Row
Active
Read
Write A
Read A
Read
Burst Stop
Read
Read
Write A
Write
A
PRE
PRE
Read
A
PRE
Read A
Read
A
PRE
PREALL = Precharge All Banks
MRS = Mode Register Set
EMRS = Extended Mode Register Set
REFS = Enter Self Refresh
REFSX = Exit Self Refresh
REFA = Auto Refresh
Precharge
PREALL
Automatic Sequence
Command Sequence
CKEL = Enter Power Down
CKEH = Exit Power Down
ACT = Active
Write A = Write with Autoprecharge
Read A = Read with Autoprecharge
PRE = Precharge
Integrated Circuit Solution Inc.
29
DDR001-0B 11/10/2004