EDD2508AKTA-5B ELPIDA [Elpida Memory], EDD2508AKTA-5B Datasheet - Page 20

• Manufacturer Part Number: EDD2508AKTA-5B
• Description: 256M bits DDR SDRAM (32M words x 8 bits, DDR400)
• Manufacturer: ELPIDA [Elpida Memory]

Simplified State Diagram
Preliminary Data Sheet E0349E60 (Ver. 6.0)
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
REGISTER
WRITE
WITH AP
POWER
MODE
ON
SET
WRITE
WRITEA
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
READA
READ
DOWN
IDLE
REFRESH
REFRESH
READ
WITH AP
SELF
AUTO
Read
*1
EDD2508AKTA-5