User Manual

7.High-Speed Electrical Interface
All high-speed signals are AC-coupled internally.
8.General Specifications
Notes:
1. Clock tolerance is +/- 50 ppm
9. EEPROM INFORMATION
（
A0
）
High-Speed Electrical Interface, Transmission Line-SFP
Parameter
Symbol
Min
Typ
Max
unit
Notes/Conditions
Line Frequency
fL
125
MHz
5-level encoding, per
IEEE 802.3
Tx Output Impedance
Zout,TX
100
Ohm
Differential, for all
frequencies between
1MHz and 125MHz
Rx Input Impedance
Zin,RX
100
Ohm
Differential, for all
frequencies between
1MHz and 125MHz
High-Speed Electrical Interface, Host-SFP
Parameter
Symbol
Min
Typ
Max
unit
Notes/Conditions
Single ended data input
swing
Vinsing
250
1200
mV
Single ended
Single ended data output
swing
Voutsing
350
800
mV
Single ended
Rise/Fall Time
T
r
,T
f
175
psec
20%-80%
Tx Input Impedance
Zin
50
Ohm
Single ended
Rx Output Impedance
Zout
50
Ohm
Single ended
General
Parameter
Symbol
Min
Typ
Max
unit
Notes/Conditions
Data Rate
BR
1
10
Gb/sec
IEEE 802.3 compatible.
See Notes 1,2 below