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EP80579 Datasheet, PDF (1859/1916 Pages) Intel Corporation – Intel® EP80579 Integrated Processor Product Line
Intel® EP80579 Integrated Processor
49.5.5.2.4 USB Clock (CLK48) DC Input Specifications
The DC electrical specifications for the clock input are described in Table 49-33.
Table 49-33. USB Clock (CLK48) DC Input Specifications
Symbol
Parameter
Conditions
Min Typical Max
Units
Notes
VIH
Input voltage high
-
2.0
-
Vcc3_3
+0.3V
V
-
VIL
Input voltage low
-
-0.4
-
0.8
V
-
Ιleak
Input Leakage
Current
VIN=3.3V
-
-
60
µA
-
CIN
Input-pin
capacitance
-
-
-
10
pf
1
Notes:
1.
Guaranteed by design. These values are typical values seen for this process, but not measured during
production testing.
49.5.5.3 USB AC Characteristics
49.5.5.3.1 USB Transreceiver AC Specifications
The AC electrical specifications of the USB transreceivers in the EP80579 are compliant
with the USB v2.0 specification from April 27, 2000.
49.5.5.3.2 Transreceiver Timing Waveforms
The timing waveform specifications of the USB Transreceivers in the EP80579 are
compliant with the USB v2.0 specification from April 27, 2000.
49.5.5.4 USB AC Specifications
Table 49-34. USB Input Clock (CLK48) AC Specifications
Parameters
Operating Frequency
Frequency Tolerance
Duty Cycle
High Time
Low Time
Rise Time
Fall Time
Min
45
7
7
-
-
Typical
48
-
-
-
-
-
Max
100
55
-
-
1.2
1.2
Units
MHz
ppm
%
ns
ns
ns
ns
Figure
-
-
-
49-19
49-19
49-19
49-19
August 2009
Order Number: 320066-003US
Intel® EP80579 Integrated Processor Product Line Datasheet
1859