®
IS42S81600A, IS42S16800A, IS42S32400A
IS42LS81600A, IS42LS16800A, IS42LS32400A
ISSI
STATE DIAGRAM
Extended
Mode
Register
Set
Self
Refresh
SELF
EMRS
SELF exit
REF
Mode
Register
Set
MRS
CBR (Auto)
Refresh
IDLE
CKE
DPD
DPD Exit
CKE
Deep
Power
Down
ACT
Power
Down
CKE
Active
Power
Down
Row
Active
CKE
BST
Write
BST
Read
Auto Precharge
Read with
Write
Read
Write with
Read
CKE
CKE
CKE
Auto Precharge
WRITE
SUSPEND
READ
SUSPEND
READ
WRITE
Write
CKE
RRE (Precharge term
CKE
CKE
CKE
READA
SUSPEND
WRITEA
SUSPEND
WRITEA
READA
CKE
ination)
PRE (Precharge termination)
Precharge
POWER
ON
Precharge
Automatic sequence
Manual Input
Integrated Silicon Solution, Inc. — www.issi.com — 1-800-379-4774
ADVANCEDINFORMATION Rev. 00A
17
06/01/02
ICSI [ INTEGRATED CIRCUIT SOLUTION INC ]
