IS43R16800A-6T ISSI [Integrated Silicon Solution, Inc], IS43R16800A-6T Datasheet - Page 22

• Manufacturer Part Number: IS43R16800A-6T
• Description: 8Meg x 16 128-MBIT DDR SDRAM
• Manufacturer: ISSI [Integrated Silicon Solution, Inc]

IS43R16800A-6
22
Simplified State Diagram
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
WRITE
WRITEA
PRECHARGE
WRITE
CKE
PRECHARGE
MRS
CKE_
READ
WITH AP
WRITE
WITH
AP
READ
PRECHARGE
PRECHARGE
ACTIVE
IDLE
ROW
ACTIVE
READ
WITH
AP
PRECHARGE
SR ENTRY
CKE_
REFRESH
Integrated Silicon Solution, Inc. — 1-800-379-4774
READ
CKE
BST
SR EXIT
POWER
READA
DOWN
READ
IDLE
REFRESH
REFRESH
READ
WITH AP
SELF
AUTO
Read
*1
ISSI
04/04/06
Rev. 00A
®