is42s16320b Integrated Silicon Solution, Inc., is42s16320b Datasheet - Page 23

• Manufacturer Part Number: is42s16320b
• Description: 64m X 8, 32m X 16 512mb Synchronous Dram
• Manufacturer: Integrated Silicon Solution, Inc.

IS42S86400B, IS42S16320B
Integrated Silicon Solution, Inc. — www.issi.com
Rev. 00F
08/11/08
SELF-REFRESH CYCLE
A0-A9, A11, A12
DQML, DQMH
COMMAND
BA0, BA1
active banks
Precharge all
DQM/
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
t
NOP
CKS
t
XSR
To+1
To+2
Refresh
Auto
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