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 T
STOR
-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
T
A
0 70 °C Ambient temperature in still air
USB2422-i Operating
Temperature
T
A
-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 t
RT33
0400μsSee 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
