IS42S32160B-6BL ISSI [Integrated Silicon Solution, Inc], IS42S32160B-6BL Datasheet - Page 22

• Manufacturer Part Number: IS42S32160B-6BL
• Description: 16M x 32 512Mb SYNCHRONOUS DRAM
• Manufacturer: ISSI [Integrated Silicon Solution, Inc]

IS42S32160B, IS45S32160B
SELF-REFRESH CYCLE
22
A0-A9, A11, A12
DQM0 - DQM3
COMMAND
BA0, BA1
active banks
Precharge all
CKE
CLK
A10
DQ
High-Z
SINGLE BANK
t
t
ALL BANKS
CKS
CMS
PRECHARGE
t
AS
BANK
T0
t
t
CKH
CMH
t
AH
t
CK
refresh mode
NOP
t
RP
Enter self
T1
t
CH
t
t
CL
CKS
Refresh
Auto
T2
CLK stable prior to exiting
self refresh mode
≥ t
RAS
(Restart refresh time base)
Exit self refresh mode
Tn+1
NOP
Integrated Silicon Solution, Inc. - www.issi.com
t
NOP
CKS
t
XSR
To+1
To+2
Refresh
Auto
DON'T CARE
Rev. 00B
07/01/09