EDS1216AABH, EDS1216CABH
Simplified State Diagram
SELF
REFRESH
SR ENTRY
SR EXIT
*1
MRS
REFRESH
MODE
REGISTER
SET
AUTO
REFRESH
IDLE
CKE
CKE_
IDLE
POWER
DOWN
ACTIVE
ACTIVE
CLOCK
SUSPEND
CKE_
CKE
ROW
ACTIVE
BST
BST
WRITE
READ
Write
WRITE
WITH
AP
READ
WITH
AP
Read
CKE_
CKE_
CKE
WRITE
SUSPEND
READ
READ
SUSPEND
WRITE
READ
WRITE
CKE
READ
WITH AP
WRITE
WITH AP
WRITE
WITH AP
READ
WITH AP
PRECHARGE
CKE_
CKE_
WRITEA
SUSPEND
READA
SUSPEND
WRITEA
READA
CKE
CKE
PRECHARGE PRECHARGE
POWER
APPLIED
POWER
ON
PRECHARGE
PRECHARGE
Automatic transition after completion of command.
Transition resulting from command input.
Note: 1. After the auto-refresh operation, precharge operation is performed automatically and
enter the IDLE state.
Data Sheet E0410E40 (Ver. 4.0)
20
ELPIDA [ ELPIDA MEMORY ]
