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Акименко Евгений (Новосибирск)
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Краткое техническое описание (Datasheet)
www.fanghangtech.com 2019-08
FH-STx
RoHS Compliant 10/100/1000M Copper SFP Transceiver
1st
Product Features
Up to 1.25Gb/s bi-directional data links
Compact RJ-45 connector
Hot pluggable SFP footprint
1Gigabit Ethernet over Cat 5 cable
Applicable for 100m distance transmission
Low power consumption, < 1.2W
Access to physical layer IC via 2-wire serial bus
10/100/1000BASE-T operation in host systems with SERDES interface
Operating case temperature:
Commercial:0 to 70 °C
Applications
Gigabit Ethernet 1000BASE-T
Switch to Switch interface
Switched backplane applications
Router/Server interface
Other optical transmission systems
Ordering Information
Part Number
Output Power Rec. Sens Data Rate Package Distance
FH-ST1 N/A N/A
1000M Copper SFP 100M
FH-ST2 N/A N/A
10/100/1000M Copper SFP 100M
www.fanghangtech.com 2019-08
FH-STx
RoHS Compliant 10/100/1000M Copper SFP Transceiver
2nd
General
FH-STx Copper Small Form Pluggable (SFP) transceivers is high performance, cost effective module compliant with
the Gigabit Ethernet and 1000- BASE-T standards as specified in IEEE 802. 3-2002 and IEEE 802.3ab, which supporting
1000Mbps data- rate up to 100 meters reach over unshielded twisted-pair CAT 5 cable. The module supports1000 Mbps
(or 10/100/1000Mbps) full duplex data-links with 5-level Pulse Amplitude Modulation (PAM) signals. All four pairs in
the cable are used with symbol rate at 250Mbps on each pair. The module provides standard serial ID information
compliant with SFP MSA, which can be accessed with address of A0h via the 2wire serial CMOS EEPROM protocol.
The physical IC can also be accessed via 2wire serial bus at address ACh.
Absolute Maximum Ratings
Parameter Symbol Min. Max. Unit Note
Supply Voltage Vcc -0.5 4.0 V
Storage Temperature TS -40 85 °C
Relative Humidity RH 0 85 %
Note: Stress in excess of the maximum absolute ratings can cause permanent damage to the transceiver
General Operating Characteristics
Parameter Symbol Min. Typ Max. Unit Note
Data Rate DR 10 1000 Mb/s
Supply Voltage Vcc 3.13 3.3 3.47 V
Supply Current Icc5 320 375 mA
Operating Case Temp. Tc 0 70 °C
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FH-STx
RoHS Compliant 10/100/1000M Copper SFP Transceiver
3rd
Low-Speed Signals Electrical Interface (TOP(C) = 0 to 70 ℃, VCC = 3.13 to 3.47 V)
Parameter Symbol Min. Typ Max. Unit Note
SFP Output _Low VOL 0 0.5 V 1
SFP Output _High VOH Vcc - 0.5 Vcc+0.3 V 1
SFP Input_Low VIL 0 0.8
V 1
SFP Input_High VIH 2.0 Vcc+0.3
V 1
Notes:
1. 4.7k to 10k pull-up to host _ Vcc, measured at host side of connector
2. MOD_DEF (1) (SCL) and MOD_DEF(2) (SDA), are open drain CMOS signals. Both MOD_DEF (1) and MOD_DEF(2) must be pulled up to
host_ Vcc.
High-Speed Electrical Interface (TOP(C) = 0 to 70 ℃, VCC = 3.13 to 3.47 V)
Parameter Symbol Min. Typ Max. Unit Note
Transmitter
Line Frequecy FL 125 MHz 2
Tx Output Impedance Zout,tx 100 Ω 3
Rx Input Impedance Zin.rx 100 Ω 3
Single ended data input swing Vin 250 1200 mV
Single ended data output swing Vout 350 800 mV
Rise/Fall Time Tr/Tf 175 ps 4
Tx Input Impedance Zin,tx 50 Ω
Rx Output Impedance Zout,rx 50 Ω
Notes:
1. All high-speed signals are AC-coupled internally.
2. 5-level encoding, per IEEE 802.3
3. Differential, for all Frequencies between 1MHz and 125MHz Differential.
4. 20%-80%
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FH-STx
RoHS Compliant 10/100/1000M Copper SFP Transceiver
4th
Pin Definition and Functions
Pin Symbol Name/Description Notes
1 VeeT Tx ground 1
2 Tx Fault Transmitter Fault. Not supported
3 Tx Disable Transmitter Disable. PHY disabled on high or open 2
4 MOD-DEF2 Module Definition 2. Data line for serial ID 3
5 MOD-DEF1 Module Definition 1. Clock line for serial ID 3
6 MOD-DEF0 Module Definition 0. Grounded within the module 3
7 Rate select No connection
8 LOS Loss of Signal indication. 4
9 VeeR Rx ground 1
10 VeeR Rx ground 1
11 VeeR Rx ground 1
12 RD- Receiver Inverted DATA out. AC coupled
13 RD+ Receiver Non-inverted DATA out. AC coupled
14 VeeR Rx ground 1
15 VccR Rx power supply
16 VccT Tx power supply 1
17 VeeT Tx ground
18 TD+ Transmitter Non-Inverted DATA in. AC coupled
19 TD- Transmitter Inverted DATA in. AC coupled
20 VeeT Tx ground 1
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FH-STx
RoHS Compliant 10/100/1000M Copper SFP Transceiver
5th
Notes:
1. Circuit ground is connected to chassis ground
2. PHY disabled on TDIS > 2.0V or open, enabled on TDIS < 0.8V
3. Should be pulled up with 4.7k – 10k Ohms on host board to a voltage between 2.0 V and 3.6 V.MOD_DEF(0) pulls line low to indicate module is
plugged in.
4. LVTTL compatible with a maximum voltage of 2.5V. Not supported on GE-GB-P.
Package Dimensions
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FH-STx
RoHS Compliant 10/100/1000M Copper SFP Transceiver
6th
For More Information
FANG HANG TECH LIMITED
908 room, Jingyuan Building, 28 Bulong Rd, Longgang District,Shenzhen. China, 518000
Tel: +86-755-89584520
Fax: +86-755-89584520
sales@fanghangtech.com
www.fanghangtech.com
