fclf8520p2btl Finisar Corporation., fclf8520p2btl Datasheet - Page 4

• Manufacturer Part Number: fclf8520p2btl
• Description: 1000base-t Rohs Compliant Copper Sfp Transceiver
• Manufacturer: Finisar Corporation.

FCLF8520P2BTL, FCLF8521P2BTL and FCLF8522P2BTL 1000BASE-T SFP Product Specification
IV. High-Speed Electrical Interface
All high-speed signals are AC-coupled internally.
High-Speed Electrical Interface, Transmission Line - SFP
Parameter
Line Frequency
Tx Output Impedance
Rx Input Impedance
High-Speed Electrical Interface, Host-SFP
Parameter
Single ended data input
swing
Single ended data output
swing
Rise/Fall Time
Tx Input Impedance
Rx Output Impedance
Table 5: High-Speed electrical interface, host-SFP
© Finisar Corporation Jul 22, 2009 Rev B.1
Table 4: High-speed electrical interface, transmission line-SFP
Symbol
V
V
T
Z
Z
r
in
out
insing
outsing
,T
Symbol
f
Z
Z
L
f
out,TX
in,RX
Min
250
275
Min
Typ
175
50
50
Typ
125
100
100
Max
1200
800
Max
Units
mV
mV
psec
Ohm
Ohm
Units
MHz
Ohm
Ohm
Notes/Conditions
Single ended
Single ended, can be modified by writing
to the PHY’s internal registers. For more
details, see Marvell datasheet
20%-80%
Single ended
Single ended
Notes/Conditions
5-level encoding, per IEEE
802.3
Differential, for all
frequencies between 1MHz
and 125MHz
Differential, for all
frequencies between 1MHz
and 125MHz
F i n i s a r
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