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AT43USB325 Datasheet(PDF) 96 Page - ATMEL Corporation

Part # AT43USB325
Description  Multimedia USB Keyboard Controller with Embedded Hub
PDF  109 Pages
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Manufacturer  ATMEL [ATMEL Corporation]
Direct Link  http://www.atmel.com
Logo ATMEL - ATMEL Corporation

AT43USB325 Datasheet(HTML) 96 Page - ATMEL Corporation

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96
3355C–USB–4/05
AT43USB325
9.
Electrical Specification
9.1
Absolute Maximum Ratings
Stresses beyond those listed below may cause permanent damage to the device. This is a
stress rating only and functional operation of the device at these or any other conditions beyond
those indicated in the operational sections of this specification is not implied. Exposure to abso-
lute maximum rating conditions for extended periods may affect device reliability.
Note:
VCEXT is the voltage at CEXT1, CEXT2.
9.2
DC Characteristics
The values shown in this table are valid for TA = 0
°C to 85°C, VCC = 4.4 to 5.25V, unless other-
wise noted.
Table 9-1.
Absolute Maximum Ratings
Symbol
Parameter
Condition
Min
Max
Unit
V
CC5
5V Power Supply
5.5
V
VI
DC input voltage
-0.3V
VCEXT+0.3
4.6 max
V
VO
DC output voltage
-0.3
VCEXT+0.3
4.6 max
V
TO
Operating temperature
-40
+125
°C
TS
Storage temperature
-65
+150
°C
Table 9-2.
Power Supply
Symbol
Parameter
Condition
Min
Max
Unit
VCC
5V Power Supply
4.4
5.25
V
I
CC
5V Supply Current
40
mA
I
CCS
Suspended Device Current
600
uA
Table 9-3.
USB Signals: DPx, DMx
Symbol
Parameter
Condition
Min
Max
Unit
V
IH
Input Level High (driven)
2.0
V
VIHZ
Input Level High (floating)
2.7
V
V
IL
Input Level Low
0.8
V
V
DI
Differential Input Sensitivity
DPx and DMx
0.2
V
V
CM
Differential Common Mode
Range
0.8
2.5
V
V
OL1
Static Output Low
RL of 1.5 k
Ω to 3.6V
0.3
V
VOH1
Static Output High
RL of 15 k
Ω to GND
2.8
3.6
V
V
CRS
Output Signal Crossover
1.3
2.0
V
VIN
Input Capacitance
20
pF



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