is42s16800al-7tli Integrated Silicon Solution, Inc., is42s16800al-7tli Datasheet - Page 28

• Manufacturer Part Number: is42s16800al-7tli
• Description: 128-mbit Low-power Synchronous Dram
• Manufacturer: Integrated Silicon Solution, Inc.

SELF-REFRESH CYCLE
IS42S81600AL, IS42S16800AL, IS42S32400AL
IS42LS81600AL, IS42LS16800AL, IS42LS32400AL
28
DQMH/DQM0-3
DQM/DQML
COMMAND
A0-A9, A11
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
t
CMH
AH
t
CK
refresh mode
NOP
t
RP
Enter self
T1
t
CH
Integrated Silicon Solution, Inc. — www.issi.com —
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
PRELIMINARY
t
t
NOP
CKS
XSR
To+1
INFORMATION
ISSI
To+2
Refresh
Auto
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DON'T CARE
Rev. 00A
09/18/03
®