lxt9763 Intel Corporation, lxt9763 Datasheet - Page 45

• Manufacturer Part Number: lxt9763
• Description: Fast Ethernet 10/100 Hex Transceiver With Full Mii
• Manufacturer: Intel Corporation

Datasheet
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
Rise/fall time symmetry
Duty cycle distortion
Overshoot
1. Typical values are at 25 °C and are for design aid only; not guaranteed and not subject to production testing.
2. Parameter is guaranteed by design; not subject to production testing.
1. Parameter is guaranteed by design; 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 Ω (+/-1%) resistor.
Table 17. Digital I/O Characteristics - MII Pins
Table 18. Required Reference Clock (REFCLK) Characteristics
Table 19. 100BASE-TX Transceiver Characteristics
Parameter
Parameter
Parameter
1
1
Sym
V
V
V
R
R
Sym
V
V
Sym
T
Tdc
V
V
Vss
T
I
OH
OH
OL
∆f
V
O
O
V
IH
F
RFS
IL
I
–
IL
IH
RF
O
2
2
P
Fast Ethernet 10/100 Hex Transceiver with Full MII — LXT9763
Min
0.95
2.0
Min
40
3.0
Min
98
2.0
-10
2.2
2.0
–
–
–
–
–
–
–
–
–
–
Typ
Typ
25
–
–
–
–
–
–
–
–
–
–
Typ
100
100
1
1
–
–
–
–
–
–
1
± 0.5
Max
1.05
102
± 100
5.0
0.5
Max
5
0.8
60
–
–
Max
0.8
0.4
10
–
–
–
–
–
Units
ns
ns
ns
%
%
V
Units
MHz
ppm
Units
%
V
V
µ A
Ω
Ω
V
V
V
V
V
Offset from 16ns pulse width at
–
–
0.0 < V
I
I
I
V
V
OL
OH
OH
CC
CC
= 4 mA
= -4 mA, V
= -4 mA, V
50% of pulse peak
= 2.5V
= 3.3V
Test Conditions
Test Conditions
Test Conditions
I
< V
Note 2
Note 2
Note 2
Note 2
CC
–
–
–
–
–
–
CC
CC
= 3.3V
= 2.5V
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