is45s32200e Integrated Silicon Solution, Inc., is45s32200e Datasheet - Page 42

• Manufacturer Part Number: is45s32200e
• Description: 512k Bits X 32 Bits X 4 Banks 64-mbit Synchronous Dynamic Ram
• Manufacturer: Integrated Silicon Solution, Inc.

IS45S32200E
SELF-REFRESH CYCLE
CAS latency = 2, 3
42
DQM0-DQM3
COMMAND
BA0, BA1
Precharge all
active banks
A0-A9
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
Integrated Silicon Solution, Inc. — www.issi.com
(Restart refresh time base)
Exit self refresh mode
Tn+1
NOP
t
t
NOP
CKS
XSR
To+1
To+2
Refresh
Auto
DON'T CARE
02/07/08
Rev. A