IS42S16100
SIMPLIFIED STATE TRANSITION DIAGRAM (One Bank Operation)
MODE
REGISTER
SET
MRS
SELF
REFRESH
SREF entry
SREF exit
IDLE
REF
AUTO
REFRESH
CKE_
CKE
ACT
IDLE
POWER
DOWN
CKE_
ACTIVE
POWER
DOWN
CKE
BANK
BST
ACTIVE
BST
WRIT
CKE_
WRIT
WRITE
WRITA
READ
READ
READA
WRIT
READ
READ
CKE_
CLOCK
SUSPEND
CKE
WRITA
CKE_
CKE
WRITE WITH
AUTO
PRECHARGE
WRITA
PRE
PRE
READA
PRE
READA CKE
CKE_
CLOCK
SUSPEND
READ WITH
CKE
AUTO
PRECHARGE
POWER APPLIED
PRE
POWER ON
PRE-
CHARGE
Automatic transition following the
completion of command execution.
Transition due to command input.
20
Integrated Silicon Solution, Inc. — www.issi.com
Rev. D
01/28/08