HY5S7B6LF-H Datasheet, PDF (24/51 Pages) Hynix Semiconductor – 512MBit MOBILE SDR SDRAMs based on 8M x 4Bank x16I/O

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512Mbit (32Mx16bit) Mobile SDR Memory
HY5S7B6LF(P) Series
Mobile SDR SDRAM OPERATION
State Diagram
Power
On
Precharge
All
Bank
(E)MRS
(EXTENDED)
Mode Register
Set
DPDS
DEEP
POWER
DOWN
READA
SUSPEND _LowCKE
READ
with AP
Read
READ
CKLEow
READ
SUSPEND
READA
Read
IDLE
Auto
Refresh
REFA
REFS
REFX
HigChKE
Self
Refresh
Power
Down
ROW
ACTIVE
Active
Power
Down
WRITEA
Write
WRITEA
CKLEow ^SUSPEND
WRITE
with AP
WRITE
Write
HigChKE
WRITE
SUSPEND
ACT :
Active
DPDS :
Enter Deep
Power-Down
DPDSX :
Exit Deep Power-
DownEMRS
EMRS :
Ext. Mode Reg.
Set
MRS :
Mode Register Set
PRE :
Precharge
PREALL :
Precharge All
Banks
REFA :
Auto Refresh
REFS :
Enter Self Refresh
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
Automatic Sequence
Manual input
Precharge
All
Rev 1.0 / Jan. 2007
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