WJLXT972ALC.A4-857345 Cortina Systems Inc, WJLXT972ALC.A4-857345 Datasheet - Page 53

• Manufacturer Part Number: WJLXT972ALC.A4-857345
• Description: TXRX ETH 10/100 SGL PORT 64-LQFP
• Manufacturer: Cortina Systems Inc

Specifications of WJLXT972ALC.A4-857345

• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: 1008-1043-2

LXT972A PHY
Datasheet
249186, Revision 5.2
13 September 2007
Table 24
Table 25
Table 26
Cortina Systems
I/O Characteristics - REFCLK/XI and XO Pins
I/O Characteristics - LED/CFG Pins
100BASE-TX PHY Characteristics
®
Input Low Voltage
Input High Voltage
Input Clock Frequency Tolerance
Input Clock Duty Cycle
Input Capacitance
1. Typical values are at 25 °C and are for design aid only, not guaranteed, and not subject to production
2. Parameter is guaranteed by design and not subject to production testing.
Input Low Voltage
Input High Voltage
Input Current
Output Low Voltage
Output High Voltage
Peak differential output voltage
Signal amplitude symmetry
Signal rise/fall time
Rise/fall time symmetry
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.
LXT972A Single-Port 10/100 Mbps PHY Transceiver
testing.
testing.
Parameter
Parameter
Parameter
2
2
Symbol
Symbol
T
Symbol
V
V
D
Vss
V
V
V
T
V
RFS
OH
I
OL
RF
CD
OS
–
IH
IL
I
Tdc
V
C
P
V
Δ f
IH
IN
IL
Min
0.95
Min
2.0
-10
2.0
3.0
98
35
Min
–
–
2.0
–
–
–
35
–
–
–
Typ
Typ
Typ
–
–
–
–
–
50
3.0
–
–
–
–
–
–
–
–
–
–
1
1
±
Max
Max
Max
1.05
0.8
0.4
0.8
10
102
65
5.0
0.5
1.4
100
–
–
65
–
–
5
Units
ppm
Units
pF
%
Units
V
V
μ A
7.1 DC Electrical Parameters
V
V
V
V
ns
ns
ns
%
%
%
V
0 < V
I
I
OL
OH
Offset from 16 ns pulse
width at 50% of pulse
peak
Test Conditions
= 10 mA
= -10 mA
Test Conditions
Test Conditions
I
< VCCIO
Note 2
Note 2
Note 2
Note 2
–
–
–
–
–
–
–
–
–
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