is45s32400b Integrated Silicon Solution, Inc., is45s32400b Datasheet - Page 22

• Manufacturer Part Number: is45s32400b
• Description: 4meg X 32 128-mbit Synchronous Dram
• Manufacturer: Integrated Silicon Solution, Inc.

IS45S32400B
SELF-REFRESH CYCLE
22
DQM0 - DQM3
COMMAND
A0-A9, A11
BA0, BA1
Precharge all
active banks
CKE
CLK
A10
DQ
High-Z
SINGLE BANK
t
t
ALL BANKS
CKS
PRECHARGE
CMS
t
AS
BANK
T0
t
t
CKH
t
CMH
AH
t
CK
refresh mode
NOP
t
RP
Enter self
T1
t
CH
t
t
CL
CKS
Integrated Silicon Solution, Inc. — www.issi.com —
Refresh
Auto
T2
CLK stable prior to exiting
self refresh mode
t
RAS
(Restart refresh time base)
Exit self refresh mode
Tn+1
NOP
t
NOP
CKS
t
XSR
To+1
To+2
Refresh
ISSI
Auto
DON'T CARE
1-800-379-4774
07/10/06
Rev. B
®