AC206
Preliminary Data Sheet
07/08/02
100 BASE-TX TRANSCEIVER CHARACTERISTICS
Table 49: 100 BASE-TX Transceiver Characteristics
Parameter
Symbol Conditions
Min
Typ
Peak to Peak Differential Output Vp
Voltage
Output Voltage Symmetry
Vss
Note 1
Note 1
1.9
2.0
0.98
Signal Rise/Fall Time
Trf
Note 1
3.0
Rise/Fall Time Symmetry
Trfs
Note 1
0
Duty Cycle Distortion
Dcd
0
Overshoot/Undershoot
Vos
Output Jitter
Scrambled Idle
Receive Jitter Tolerance
Output Current High
Ioh
1:1 Transformer
Output Current High
Ioh
1.25:1 Transformer
Common Mode Input Voltage
1.25
Differential Input Resistance
4
Note 1: 50Ω (± 1%) resistor to VCC on each output
Max
Units
2.1
V
1.02
mV
5.0
ns
0.5
ns
0.5
ps
5
%
1.4
ns
4
ns
40
mA
32
mA
V
KΩ
10 BASE-T TRANSCEIVER CHARACTERISTICS
Table 50: 10 BASE-T Transceiver Characteristics
Parameter
Symbol Conditions
Min
Typ
Peak to Peak Differential Output Vop
Voltage
Note 1
4.5
5
Start of Idle Pulse Width
300
Output Jitter
Receive Jitter Tolerance
Differential Squelch Threshold Vds
300
400
Common Mode Rejection
25
Note 1: 50Ω (± 1%) resistor to VCC on each output
Max
Units
5.5
V
350
ns
1.4
ns
32
ns
500
mV
V
Page 40 Operating Range
Broadcom
Document AC206-DS05-405-R