Bộ thu phát SFP đồng 10/100/1000 BASE-T

1. Feature: lUp to 1.25 Gb/sbi-directionaldata links lHot-pluggable SFP footprint lLow power dissipation(1.05W typical) lCompact RJ-45 connector assembly lFullymetal enclosure, for lower EMI lRoHS compliant and lead-free lSingle +3.3V power supply l10/100/1000 BASE-T operation in host systems with SGMII interface l1.25 Gigabit Ethernet over Cat 5 cable lCase operating temperature? Commercial:0°Cto +70°C Extended:-10°Cto +80°C Industrial:-40°Cto +85°C 2.PRODUCT DESCRIPTION 10/100/1000 BASE-TCopper Small Form Pluggable (SFP) transceivers are based on the SFP Multi Source Agreement (MSA) . They are compatible with the Gigabit Ethernet standards as specified in IEEE Std 802.3 .The10/100/1000 BASE-Tphysical layer IC (PHY) can be accessed via I2C, allowing access to all PHY settings and features. 10/100/1000 BASE-Tis compatible with 1000BASE-X auto-negotiation, but does not have a link indication feature (RX_LOS is internally grounded). 3.SFP to Host Connector Pin Out Figure 1. Diagram of host board connector block pin numbers and names Pin Symbol Name/Description Ref. 1 VEET Transmitter Ground (Common with Receiver Ground) 1 2 TFAULT Transmitter Fault. Not supported. 3 TDIS Transmitter Disable. Not supported. 4 MOD_DEF(2) Module Definition 2. Data line for Serial ID. 2 5 MOD_DEF(1) Module Definition 1. Clock line for Serial ID. 2 6 MOD_DEF(0) Module Definition 0. Grounded within the module. 2 7 Rate Select No connection required 8 LOS Loss of Signal indication. Logic 0 indicates normal operation. 3 9 VEER Receiver Ground (Common with Transmitter Ground) 1 10 VEER Receiver Ground (Common with Transmitter Ground) 1 11 VEER Receiver Ground (Common with Transmitter Ground) 1 12 RD- Receiver Inverted DATA out. AC Coupled 13 RD+ Receiver Non-inverted DATA out. AC Coupled 14 VEER Receiver Ground (Common with Transmitter Ground) 1 15 VCCR Receiver Power Supply 16 VCCT Transmitter Power Supply 17 VEET Transmitter Ground (Common with Receiver Ground) 1 18 TD+ Transmitter Non-Inverted DATA in. AC Coupled. 19 TD- Transmitter Inverted DATA in. AC Coupled. 20 VEET Transmitter Ground (Common with Receiver Ground) 1 Notes: 1.Circuit ground is connected to chassis ground 2. 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. 3. LVTTL compatible with a maximum voltage of 2.5V. Not supported on WT-SFP-T. 4. 3.3V Volt Electrical Power Interface The10/100/1000 BASE-Thas an input voltage range of 3.3 V +/- 5%. The 4V maximum voltage is not allowed for continuous operation. +3.3 Volt Electrical PowerInterface Parameter Symbol Min Typ Max unit Notes/Conditions Supply Current Is 320 375 mA 1.2W max power over full range of voltage and temperature. See caution note below Input Voltage Vcc 3.13 3.3 3.47 V Referenced to GND Maximum Voltage Vmax 4 V Surge Current Isurge 30 mA Hot plug above steady state current. See caution note below Caution: Power consumption and surge current are higher than the specified values in the SFP MSA 5.Low-Speed Signals MOD_DEF(1) (SCL) and MOD_DEF(2) (SDA), are open drain CMOS signals (see section VII, "Serial Communication Protocol"). Both MOD_DEF(1) and MOD_DEF(2) must be pulled up to host_Vcc Low-Speed Signals,Electronic Characteristics Parameter Symbol Min Max unit Notes/Conditions 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_Vcc -0.5 host_Vcc + 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 6. High-Speed Electrical Interface All high-speed signals are AC-coupled internally. 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 Tr,Tf 175 psec 20%-80% Tx Input Impedance Zin 50 Ohm Single ended Rx Output Impedance Zout 50 Ohm Single ended 7.General Specifications General Parameter Symbol Min Typ Max unit Notes/Conditions Data Rate BR 10 1000 Mb/sec IEEE 802.3 compatible. See Notes 2 through 4 below Cable Length L 100 m Category 5 UTP. BER Notes: 1. Clock tolerance is +/- 50 ppm 2. By default,10/100/1000 BASE-Tis a full duplex device in preferred master mode 3. Automatic crossover detection is enabled. External crossover cable is not required 4. 10/100/1000 BASE-T operation requires the host system to have an SGMII interfacewith no clocks. 8. Environmental Specifications EnvironmentalSpecifications Parameter Symbol Min Typ Max unit Notes/Conditions CaseOperating Temperature Tcase 0 70 °C XGSF-T12-02-2 -10 80 °C XGSF-T12-02-2E -40 85 °C XGSF-T12-02-2A Storage Temperature Tsto -40 85 °C Ambient temperature 9. Serial Communication Protocol 10/100/1000 BASE-Tsupport the 2-wire serial communication protocol outlined in the SFP MSA.Itusesan Atmel AT24C02B256byte EEPROM with an address of A0h. Serial Bus TimingRequirements Parameter Symbol Min Typ Max unit Notes/Conditions I2CClock Rate 0 100,000 Hz 10.Mechanical Specifications (Unit:mm) 11.Contact : Address 6/f, Bldg. 1, Sec. 3,South area, Honghualing Industrial Zone Xili Town,Nanshan District ,Shenzhen China Zip 518054 Tel 086-26641737 Fax 086-0755-26640197 Website www.wintoptec.com

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