EDD1216AATA-5 ELPIDA [Elpida Memory], EDD1216AATA-5 Datasheet - Page 20

• Manufacturer Part Number: EDD1216AATA-5
• Description: 128M bits DDR SDRAM (8M words x 16 bits, DDR400)
• Manufacturer: ELPIDA [Elpida Memory]

Simplified State Diagram
Data Sheet E0443E40 (Ver. 4.0)
Note: 1. After the auto-refresh operation, precharge operation is performed automatically
POWER
APPLIED
and enter the IDLE state.
Automatic transition after completion of command.
Transition resulting from command input.
Write
POWER
ACTIVE
DOWN
WRITE
WITH AP
POWER
EMRS
MRS
ON
WRITEA
WRITE
PRECHARGE
WRITE
CKE
MRS
PRECHARGE
CKE_
READ
WITH AP
WRITE
WITH
AP
READ
PRECHARGE
PRECHARGE
ACTIVE
IDLE
ROW
ACTIVE
READ
WITH
AP
PRECHARGE
SR ENTRY
CKE_
20
REFRESH
READ
CKE
BST
SR EXIT
POWER
READ
READA
DOWN
IDLE
REFRESH
REFRESH
READ
WITH AP
SELF
AUTO
Read
*1
EDD1216AATA-5