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USB2250 数据表(PDF) 34 Page - Microchip Technology

部件名 USB2250
功能描述  Ultra Fast USB 2.0 Multi-Slot Flash Media Controller
PDF  43 Pages
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制造商  MICROCHIP [Microchip Technology]
网页  http://www.microchip.com
标志 MICROCHIP - Microchip Technology

USB2250 数据表(HTML) 34 Page - Microchip Technology

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 2009 - 2015 Microchip Technology Inc.
DS00002005A-page 34
USB2250/50i/51/51i
9.0
DC PARAMETERS
9.1
Maximum Ratings
Note 9-1
Stresses above the specified parameters may 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 9-2
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.
Parameter
Symbol
MIN
MAX
Units
Comments
Storage
Temperature
TA
-55
150
°C
Lead
Temperature
°C
Please refer to JEDEC
specification J-STD-020D.
3.3 V supply
voltage
VDD33
-0.5
4.0
V
Voltage on
USB+ and USB-
pins
-0.5
(3.3 V supply voltage + 2)
6V
Voltage on
CRD_PWR0,
CRD_PWR1,
CRD_PWR2 and
CRD_PWR3
-0.5
VDD33 + 0.3
V
When internal power FET
operation of these pins are
enabled, these pins may be
simultaneously shorted to
ground or any voltage up to 3.63
V indefinitely, without damage to
the device as long as VDD33 is
less than 3.63 V and TA is less
than 70oC.
Voltage on any
signal pin
-0.5
VDD33 + 0.3
V
Voltage on
XTAL1
-0.5
3.6
V
Voltage on
XTAL2
-0.5
VDD18 + 0.3
V
FIGURE 9-1:
SUPPLY RISE TIME MODEL
t10%
10%
90%
Voltage
tRT
t90%
Time
100%
3.3 V
VSS
VDD33



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