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USB2512 数据表(PDF) 49 Page - Microchip Technology

部件名 USB2512
功能描述  USB 2.0 Hi-Speed Hub Controller
PDF  63 Pages
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制造商  MICROCHIP [Microchip Technology]
网页  http://www.microchip.com
标志 MICROCHIP - Microchip Technology

USB2512 数据表(HTML) 49 Page - Microchip Technology

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USB 2.0 Hi-Speed Hub Controller
Datasheet
SMSC USB251xB/xBi
49
Revision 2.2 (02-17-12)
DATASHEET
Chapter 6 DC Parameters
6.1
Maximum Guaranteed Ratings
Notes:
Stresses above the specified parameters could cause permanent damage to the device. This is a
stress rating only. Therefore, functional operation of the device at any condition above those
indicated in the operation sections of this specification are not implied.
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.
6.2
Operating Conditions
PARAMETER
SYMBOL
MIN
MAX
UNITS
COMMENTS
Storage
Temperature
TSTOR
-55
150
°C
Lead
Temperature
Refer to JEDEC Specification J-STD-
020D
[5]
3.3 V supply
voltage
VDD33
VDDA33
4.6
V
Applies to all packages
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
Extended Commercial
Operating Temperature
TAE
0
85
°C
Ambient temperature in still air
Industrial
Operating Temperature
TAI
-40
85
°C
Ambient temperature in still air
Only applies to USB251xBi
products
3.3 V supply voltage
VDD33
VDDA33
3.0
3.6
V
Applies to all parts
3.3 V supply rise time
tRT33
0400
μsSee Figure 6.1



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