IS42S16800D-7TI ISSI, Integrated Silicon Solution Inc, IS42S16800D-7TI Datasheet - Page 23
IS42S16800D-7TI
Manufacturer Part Number
IS42S16800D-7TI
Description
IC SDRAM 128MBIT 143MHZ 54TSOP
Manufacturer
ISSI, Integrated Silicon Solution Inc
Datasheet
1.IS42S16800D-7TL.pdf
(62 pages)
Specifications of IS42S16800D-7TI
Format - Memory
RAM
Memory Type
SDRAM
Memory Size
128M (8Mx16)
Speed
143MHz
Interface
Parallel
Voltage - Supply
3 V ~ 3.6 V
Operating Temperature
-40°C ~ 85°C
Package / Case
54-TSOP II
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
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IS42S81600D,
SELF-REFRESH CYCLE
Integrated Silicon Solution, Inc. — www.issi.com
Rev. E
07/28/08
DQML, DQMH
COMMAND
A0-A9, A11
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
IS42S16800D
T0
t
t
CKH
t
CMH
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
SRX
To+1
To+2
Refresh
Auto
DON'T CARE
23
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