WJLXT971ALE.A4-857346 Cortina Systems Inc, WJLXT971ALE.A4-857346 Datasheet - Page 64
WJLXT971ALE.A4-857346
Manufacturer Part Number
WJLXT971ALE.A4-857346
Description
Manufacturer
Cortina Systems Inc
Datasheet
1.WJLXT971ALE.A4-857346.pdf
(96 pages)
Specifications of WJLXT971ALE.A4-857346
Lead Free Status / RoHS Status
Compliant
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LXT971A PHY
Datasheet
249414, Revision 5.2
13 September 2007
Table 28
Table 29
Table 30
Cortina Systems
100BASE-TX PHY Characteristics (Sheet 2 of 2)
100BASE-FX PHY Characteristics
10BASE-T PHY Characteristics
®
Duty cycle distortion
Overshoot/Undershoot
Jitter (measured differentially)
1. Typical values are at 25 °C and are for design aid only, not guaranteed, and not subject to production
2. Measured at the line side of the transformer, line replaced by 100 Ω (+/-1%) resistor.
Peak differential output voltage
(single ended)
Signal rise/fall time
Jitter (measured differentially)
Peak differential input voltage
Common mode input range
1. Typical values are at 25 °C and are for design aid only, not guaranteed, and not subject to production
Peak differential output
voltage
Transition timing jitter added
by the MAU and PLS
sections
Receive Input Impedance
Differential Squelch
Threshold
LXT971A Single-Port 10/100 Mbps PHY Transceiver
testing.
testing.
Parameter
Parameter
Parameter
Symbol
V
V
Symbol
Z
V
OP
–
DS
Symbol
IN
V
T
V
CMIR
D
OP
–
V
RF
IP
CD
OS
–
Min
300
2.2
0
–
0.55
Min
0.6
Min
Transmitter
Transmitter
35
–
–
–
–
–
Receiver
Receiver
Typ
420
2.5
Typ
Typ
2
–
50
–
–
–
–
–
–
–
1
1
V
Max
Max
585
2.8
1.4
CC
22
65
11
5
Max
1.5
1.9
1.5
1.3
- 0.7
Units
Units
7.1 DC Electrical Parameters
ns
%
%
mV
k Ω
ns
V
Units
ns
ns
V
V
V
Offset from 16 ns pulse
width at 50% of pulse
peak
With transformer, line
replaced by 100 Ω
resistor
After line model
specified by IEEE
802.3 for 10BASE-T
MAU
Test Conditions
Test Conditions
Test Conditions
10 <–> 90%
2.0 pF load
–
–
–
–
–
–
–
–
Page 64
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