HBLXT9781HC.C4 Intel, HBLXT9781HC.C4 Datasheet - Page 53
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HBLXT9781HC.C4
Manufacturer Part Number
HBLXT9781HC.C4
Description
Manufacturer
Intel
Datasheet
1.HBLXT9781HC.C4.pdf
(78 pages)
Specifications of HBLXT9781HC.C4
Lead Free Status / RoHS Status
Not Compliant
Datasheet
Input current
Output Low voltage
Output High voltage
Input Low voltage
Input High voltage
Input current
Output Low voltage
Output High voltage
Driver output resistance
(Line driver output enabled)
Input Low voltage
Input High voltage
Input frequency
Input clock frequency tolerance
Input clock duty cycle
Peak differential output voltage
Signal amplitude symmetry
Signal rise/fall time
1. Applies to all pins except RMII pins. Refer to
2. Typical values are at 25 °C and are for design aid only; not guaranteed and not subject to production testing.
3. Does not apply to REFCLK. Refer to
1. Parameter is guaranteed by design; not subject to production testing.
2. Typical values are at 25 °C and are for design aid only; not guaranteed and not subject to production testing.
1. Parameter is guaranteed by design; not subject to production testing.
2. Typical values are at 25 °C and are for design aid only; not guaranteed and not subject to production testing.
1. Typical values are at 25 °C and are for design aid only; not guaranteed and not subject to production testing.
2. Measured at the line side of the transformer, line replaced by 100 (+/-1%) resistor.
Table 17. Digital I/O Characteristics
Table 18. Digital I/O Characteristics - RMII Pins
Table 19. Required Clock Characteristics
Table 20. 100BASE-TX Transceiver Characteristics
Parameter
Parameter
Parameter
Parameter
1
1
Fast Ethernet 10/100 Multi-Port Transceiver with RMII — LXT9761/9781
Sym
V
V
OH
I
OL
I
Table 19
Sym
Sym
Vss
T
Tdc
Sym
V
V
V
V
V
R
R
V
V
F
RF
IH
IL
P
I
OH
OL
O
O
f
IH
IL
I
1
1
Table 18
for clock input levels.
0.95
Min
3.0
-100
Min
98
Min
1
2.0
2.4
35
–
–
–
–
-100
(Continued)
Min
2.0
2.2
–
–
–
–
for RMII I/O Characteristics.
Typ
Typ
–
–
–
50
50
–
–
–
1
Typ
2
100
100
Typ
–
–
–
–
–
–
–
–
Max
1.05
2
102
5.0
2
± 50
Max
0.8
65
–
–
Max
100
0.8
0.4
–
–
–
–
Units
ns
%
V
Units
MHz
ppm
Max
100
0.4
%
V
V
–
Units
V
V
V
V
A
Units
0.0 < V
I
I
V
V
OL
OH
V
V
CC
CC
A
Test Conditions
= 4 mA
= -4 mA, V
= 2.5V
= 3.3V
Test Conditions
I
< V
Test Conditions
Note 2
Note 2
Note 2
0.0 < V
I
I
OL
OH
CC
Test Conditions
–
–
–
–
–
= 4 mA
= -4 mA
CC
–
–
I
= 3.3V
< V
CC
53