317697-001 Ver la hoja de datos (PDF) - Intel
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317697-001 Datasheet PDF : 69 Pages
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82575 Gigabit Ethernet Controller Datasheet
JTDI
JTDO
JTMS
AUX_PWR
LAN1_DIS_N
LAN0_DIS_N
Y
N
N
Y
Y
N
N
Y
Y
N
N
Y
Y
N
N
Y (or PD)
Y
Y
Y
Y
Y
Y
7.4
Table 14.
Targeted AC Characteristics
25 MHz Clock Input Requirements
Symbol
Parameter
Min
Typ
Max
Unit
f0
df0
Dc
tr
tf
Jptp
Cin
T
Aptp
Vcm
Frequency
Frequency Variation
Duty Cycle
Rise Time
Fall Time
Clock Jitter (peak-to-peak)1
Input Capacitance
Operating Temperature
Input clock amplitude (peak-to-
peak)
Clock common mode
N/A
-50
40
N/A
N/A
N/A
N/A
N/A
1.0
N/A
25.000
N/A
N/A
N/A
N/A
N/A
20
N/A
1.2
0.6
N/A
+50
60
5
5
250
N/A
70
1.3
N/A
MHz
ppm
%
ns
ns
ps
pF
°C
V
V
1. Clock jitter is defined according to the recommendations of part 40.6.1.2.5 IEEE 1000Base-T Standard (at
least 105 clock edges, filtered by HPF with cut off frequency of 5000 Hz).
Table 15. Link Interface Clock Requirements
7.4.1
Symbol
fGTX1
Parameter
GTX_CLK frequency
Min
N/A
Typ
125
Max
N/A
Unit
MHz
1. GTX_CLK is used externally for test purposes only. See signals IEEE_TEST1_p and IEEE_TEST1_n.
EEPROM Interface
Applicable over recommended operating range from Ta = -40C to +85C, VCC3P3 = 3.3
V, Cload = 1 TTL Gate and 16pF (unless otherwise noted).
Symbol
Parameter
Min
Typ
Max
Units
Note
50
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