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USB2422 数据表(PDF) 35 Page - Microchip Technology

部件名 USB2422
功能描述  2-Port USB 2.0 Hi-Speed Hub Controller
PDF  47 Pages
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制造商  MICROCHIP [Microchip Technology]
网页  http://www.microchip.com
标志 MICROCHIP - Microchip Technology

USB2422 数据表(HTML) 35 Page - Microchip Technology

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2013 - 2015 Microchip Technology Inc.
DS00001726B-page 35
USB2422
5.0
DC PARAMETERS
5.1
Maximum 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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