hyb18m1g16 Qimonda, hyb18m1g16 Datasheet - Page 16

• Manufacturer Part Number: hyb18m1g16
• Description: Drams For Mobile Applications 1-gbit X16 Ddr Mobile-ram Rohs Compliant
• Manufacturer: Qimonda

2.3
Rev.1.0, 2007-03
10242006-Y557-TZXW
Note: Use caution with this diagram. It is indented to provide a floorplan of the possible state transitions and commands
to control them, not all details. In particular situations involving more than one bank are not captured in full detail.
ACT = Active
BST = Burst Terminate
CKEL = Enter Power-Down
CKEH = Exit Power-Down
DPDS = Enter Deep Power-Down
DPDSX = Exit Deep Power-Down
State Diagram
applied
Power
WRITE
Precharge
All Banks
Power
EMRS
MRS
PRE
On
WRITEA
WRITE A
WRITE
Power
Active
Down
EMRS = Ext. Mode Reg. Set
MRS = Mode Register Set
PRE = Precharge
PREALL = Precharge All Banks
REFA = Auto Refresh
REFS = Enter Self Refresh
DPDSX
WRITE
MRS
CKEL
CKEH
WRITEA
PRE
precharged
Precharge
All banks
PREALL
16
Power
Active
Down
Deep
DPDS
ACT
Row
PRE
Idle
READA
REFSX
READ
CKEH
READA
PRE
CKEL
REFS
READ
Precharge
Refresh
REFA
Power
Down
Self
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
BST
READ A
Burst
Stop
READ
READA
Command Sequence
Automatic Sequence
Refresh
Auto
READ
HY[B/E]18M1G16[0/1]BF
1-Gbit DDR Mobile-RAM
State Diagram
FIGURE 5
Data Sheet