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USB82640 Datasheet(PDF) 46 Page - Microchip Technology

Part # USB82640
Description  Automotive USB 2.0 Hub and Flash Media Card Controller Combo
PDF  64 Pages
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Manufacturer  MICROCHIP [Microchip Technology]
Direct Link  http://www.microchip.com
Logo MICROCHIP - Microchip Technology

USB82640 Datasheet(HTML) 46 Page - Microchip Technology

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USB82640
DS60001312A-page 46
 2010-2015 Microchip Technology Inc.
8.2
Operating Conditions
Note 1: The TJ (junction temperature) must not exceed 125 °C
2: The 3.3 V supply should be at least at 75% of its operating condition before the 1.8 V supply is allowed to
ramp up.
Parameter
Symbol
Min
Max
Units
Comments
48-pin package
operating temperature
TA
-40
85
°C
Ambient temperature in still air.
(See Note 1)
3.3 V supply voltage
VDD33,
VDDA33
3.0
3.6
V
A 3.3 V regulator with an output
tolerance of ±1% must be used if
the output of the internal power
FET’s must support a 5% toler-
ance. See Note 2.
3.3 V supply rise time
tRT
0
400
µs
(Figure 8-1, "Supply Rise Time
Models")
1.8 V supply rise time
tRT
0
400
µs
(Figure 8-1, "Supply Rise Time
Models" and Note 2)
Voltage on any signal
pin
--0.3
VDD33
V
Voltage on XTAL1
-
-0.3
2.0
V
FIGURE 8-1:
SUPPLY RISE TIME MODELS
t10%
10%
90%
Voltage
tRT
t90%
Time
100%
3.3 V
VSS
VDD33
t10%
10%
90%
Voltage
tRT
t90%
Time
100%
1.8 V
VSS
VDD18



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