IS43R16320B
IC43R16320B
Simplified State Diagram
SELF
REFRESH
SR ENTRY
SR EXIT
*1
MRS
REFRESH
MODE
REGISTER
SET
AUTO
IDLE
REFRESH
CKE
CKE_
IDLE
POWER
DOWN
ACTIVE
ACTIVE
POWER
DOWN
CKE_
CKE
ROW
ACTIVE
BST
READ
WRITE
Write
WRITE
WITH
AP
READ
WITH
AP
Read
WRITE
READ
READ
READ
WITH AP
WRITE
WITH AP
READ
WITH AP
PRECHARGE
WRITEA
READA
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.
Integrated Silicon Solution, Inc. — www.issi.com
21
Rev. 00B
06/11/08