Normal operating conditions – Approved Optics Approved JUNIPER SFP-1GE-T User Manual
Page 2
SFP-1GE-T-A
1000Base-TX SFP Module
Copper Interface RJ45, 100m, RoHS6
Approved Optics, Inc. www.ApprovedOptics.com
Page 2 of 5
Normal Operating Conditions
Parameter
Symbol
Min.
Typical
Max.
Unit
Operating Temperature
TA
0
+70 °C
Supply Voltage
VCC
3.14
3.3
3.46
V
Parameter
Symbol
Min
Typ
Max
Units
Notes/Conditions
+3.3 Volt Electrical Power Interface
Supply Current
Icc
300
350
mA
Input Voltage
Vcc
3.13
3.3
3.47
V
Surge Current
Isurge
30
mA
Low-Speed Signals, Electronic Characteristics
SFP Output
LOW
VOL
0
0.5
V
4.7k to 10k pull-up to host_Vcc,
measured at
host side of connector
SFP Output
HIGH
VOH
host_V
cc-0.5
host_V
cc+0.3
V
4.7k to 10k pull-up to
host_Vcc,measured at host side
of connector
SFP Input LOW
VIL
0
0.8
V
4.7k to 10k pull-up to Vcc,
measured at SFP side of
connector
SFP Input HIGH
VIH
2
Vcc
+0.3
V
4.7k to 10k pull-up to Vcc,
measured at SFP side of
connector
High-Speed Electrical Interface, Transmission Line-SFP
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
Single ended
data input swing
Vin
250
1200
mV
Single ended
Single ended
data output
swing
Vout
350
800
mV
Single ended
Rise/Fall Time
Tr,Tf
175
psec
20%-80%
Tx Input
Impedance
Zin
50
Ohm
Single ended