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USB2422/MJ 数据表(PDF) 40 Page - SMSC Corporation

部件名 USB2422/MJ
功能描述  2-Port USB 2.0 Hi-Speed Hub Controller
PDF  51 Pages
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制造商  SMSC [SMSC Corporation]
网页  http://www.smsc.com
标志 SMSC - SMSC Corporation

USB2422/MJ 数据表(HTML) 40 Page - SMSC Corporation

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2-Port USB 2.0 Hi-Speed Hub Controller
Datasheet
Revision 1.0 (06-04-13)
40
SMSC USB2422
DATASHEET
Chapter 5 DC Parameters
5.1
Maximum Guaranteed Ratings
Note 5.1
Refer to JEDEC Specification J-STD-020D [3].
Note 5.2
Stresses above the specified parameters could cause permanent damage to the device.
This is a stress rating only and functional operation of the device at any condition above
those indicated in the operation sections of this specification is not implied.
Note 5.3
When powering this device from laboratory or system power supplies, it is important that
the absolute maximum ratings not be exceeded or device failure can result. Some power
supplies exhibit voltage spikes on their outputs when the AC power is switched on or off.
In addition, voltage transients on the AC power line may appear on the DC output. When
this possibility exists, it is suggested that a clamp circuit be used.
5.2
Operating Conditions
PARAMETER
SYMBOL
MIN
MAX
UNITS
COMMENTS
Storage Temperature
TSTOR
-55
150
°C
Lead Temperature
Refer to JEDEC Specification
J-STD-020D [3]
3.3 V supply voltage
VDD33
4.6
V
Voltage on any I/O pin
-0.5
5.5
V
Voltage on XTALIN
-0.5
4.0
V
Voltage on XTALOUT
-0.5
2.5
V
PARAMETER
SYMBOL
MIN
MAX
UNITS
COMMENTS
USB2422 Operating
Temperature
TA
0
70
°C
Ambient temperature in still air
USB2422-i Operating
Temperature
TA
-40
85
°C
Ambient temperature in still air
3.3 V supply voltage
VDD33
3.0
3.6
V
3.3 V supply rise time
tRT33
0400
μsSee Figure 5.1
Voltage on any I/O pin
-0.3
5.5
V
If any 3.3 V supply voltage drops
below 3.0 V, then the MAX
becomes:
(3.3 V supply voltage) + 0.5
Voltage on XTALIN
-0.3
VDD12
+ 0.3
V



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