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Download Small Form-Factor Pluggable (SFP) Copper Transceiver Features
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Small Form-Factor Pluggable (SFP) Copper Transceiver Features • Compliant with Small Form-Factor Pluggable (SFP) Transceiver Multi-Source Agreement (MSA) • 2.5Gbps Data Rates • Fibre Channel data rates to 2.125 Gbps • Gigabit Ethernet data rates to 2.5 Gbps • InfiniBand data rates to 2.5 Gbps • Hot Pluggable • Operates on either single 3.3V or 5V single supply • Supports Serial ID functionality • Die cast housing provides superior EMI performance • Intuitive “squeeze and pull” latching mechanism • Mates with 20 pos SMT Host Connector Molex p/n 74441-0001 • SFP EMI Cage Molex p/n 73927-xxxx Product Overview The SFP transceiver module is a high performance integrated duplex data link for bidirectional communication over copper cable. It is designed for high speed data rates of up to 2.5 Gbps. The hot pluggable feature allows changing to/from another SFP-compatible module without having to remove system power. Part Number Receptacle Impedance Options 74720-0101 74720-0102 InfiniBand HSSDC2 InfiniBand HSSDC2 100 100 w/o serial ID w/ serial ID 74720-0201 74720-0202 Fibre Channel HSSDC2 Fibre Channel HSSDC2 150 150 w/o serial ID w/ serial ID Rev. 101-4 09/01 MOLEX High Performance Adapter 101 Bringler Drive, Maumelle, AR 72113 / Tel: (501) 851-4850 Web: www.molex.com Small Form-Factor Pluggable (SFP) Copper Transceiver Active Performance Specifications MODULE SPECIFICATIONS - ABSOLUTE MAXIMUM RATINGS PARAMETER SYMBOL MIN Storage Temperature Tstg -40 Supply Voltage Vcc Data DC Voltage Voffset -10 MAX 85 6.00 UNITS ºC V 10 Vpk NOTES Vcc-ground V (Tx+,Tx-,Rx+, Rx-) to ground MODULE SPECIFICATIONS - RECOMMENDED OPERATING CONDITIONS PARAMETER SYMBOL MIN TYP MAX UNITS NOTES Ambient Operating Temperature Ta 0 50 ºC Supply Voltage @ 5V Vcc 4.75 5.00 5.25 Vdc Supply Voltage @ 3.3V Vcc 3.15 3.3 3.45 Vdc Baud Rate BRate 2500 Mbaud PERFORMANCE SPECIFICATIONS - ELECTRICAL PARAMETER SYMBOL MIN Bit Error Rate BER Supply Current Icc Surge Current TRANSMITTER PECL Input (Differential) Impedance (Host board side) TX_DISABLE Input Voltage: Transmitter on Transmitter disabled RECEIVER PECL Output (Differential) Impedance (HSSDC2/cable side): 100 Ohm 150 Ohm RX_LOS Output Voltage: Signal present Loss of Signal Input Voltage Range: TYP Isurge 150 Zhost Vil Vih 0 2.0 400 Zcable Zcable Vol Voh Vid 800 100 750 MAX 1E-12 175 mA +30 mA 1200 mVpp ohms 0.8 Vcc V V 1600 mVpp 100 150 Vcc-1.38 35 UNITS NOTES Errors/Bit Surge above steady state value AC coupled inputs AC coupled outputs ohms ohms 0.5 Vcc 1800 V V mVpp MOLEX High Performance Adapter 101 Bringler Drive, Maumelle, AR 72113 / Tel: (501) 851-4850 Web: www.molex.com Small Form-Factor Pluggable (SFP) Copper Transceiver Active Performance Specifications Continued PERFORMANCE SPECIFICATIONS – TIMING PARAMETER SYMBOL MIN TYP MAX UNITS CONDITIONS TX Disable Assert Time t_off 10 Rising edge of TX_DISABLE to fall of output signal below 10% of nominal TX Disable Negate Time t_on 1 Time to initialize t_init 300 LOS Assert Time t_loss_on 100 LOS Negate Time t_loss_off 100 µsec Falling edge of TX_DISABLE to rise of output msec signal above 90% of nominal From power on or hot-plug after Vcc reaches msec Vcc(min) From receiver loss of signal to assertion of µsec LOS From presence of signal at receiver to µsec negation of LOS MOLEX High Performance Adapter 101 Bringler Drive, Maumelle, AR 72113 / Tel: (501) 851-4850 Web: www.molex.com Small Form-Factor Pluggable (SFP) Copper Transceiver The SFP-MSA document recommends a mating sequence of ground, power, and signal contacts in that order. A diagram of the host connector is show in Figure 1. Signal inputs/outputs on the SFP transceiver modules from the 20-pin host connector are AC coupled and internally terminated to 50 or 75 ohms (TD+, TD-, RD+, RD-) depending on InfiniBand or Fibre Channel specifications. Figure 2 shows the recommended power supply filtering network. Towards Bezel 1 TGND 2 TX_Fault 3 TX_Disable 4 MOD_DEF(2) 5 MOD_DEF(1) 6 MOD_DEF(0) 7 Rate_Select 8 LOS 9 RGND 10 RGND TGND 20 TD(-) 19 TD(+) 18 TGND 17 VccT 16 VccR 15 RGND 14 RD(+) 13 RD(-) 12 RGND 11 Towards SERDES Figure 1. Diagram of the Host Board Connector Block Pin Number and Names 0.1µF 1.0µH VccT 0.1µF VccR 10µF 1.0µH 0.1µF 10µF 3.3V or 5V SFP Module Figure 2. Recommended Host Board Supply Filtering Network MOLEX High Performance Adapter 101 Bringler Drive, Maumelle, AR 72113 / Tel: (501) 851-4850 Web: www.molex.com Small Form-Factor Pluggable (SFP) Copper Transceiver Active Electrical Interface SFP Host Connect Electrical Interface, Pin Descriptions PIN NAME DIRECTION AT CONNECTOR PIN 1 PIN 2 TGND TX_FAULT PIN 3 TX_DISABLE IN Active high input which disables the transmitter output. This is driven by the host and is internally pull up to Vcc through a 5.1k ohm resistor. PIN 4 MOD_DEF(2) I/O Signal SDA (Data) of the 2-wire serial ID interface PIN 5 MOD_DEF(1) IN PIN 6 MOD_DEF(0) - Signal SCL (Clock) of the 2-wire serial ID interface This pin is internally tied to Transmit ground PIN 7 Rate select OUT Logic High (VccR though 33k resistor) for full bandwidth, open for reduced bandwidth PIN 8 LOS OUT Logic how indicates signal presence, high indicates loss of receiver signal. Requires user pull-up resistor (4.7k-10k to VccR). PIN 9 PIN 10 PIN 11 PIN 12 RGND RGND RGND RD- OUT Receiver ground Receiver ground Receiver ground Differential receiver outputs. User to terminate to 100 ohms differential at SERDES. PIN 13 PIN 14 PIN 15 PIN 16 PIN 17 PIN 18 RD+ RGND VCCR VCCT TGND TD+ OUT IN IN - PIN 19 PIN 20 TDTGND - " Receiver ground Receiver power Transmitter/EEPROM power Transmit ground Differential transmitter inputs. Internally terminated to 100 ohms differential. " Transmit ground - DESCRIPTION Transmit ground This pin is internally tied to Transmit ground MOLEX High Performance Adapter 101 Bringler Drive, Maumelle, AR 72113 / Tel: (501) 851-4850 Web: www.molex.com Small Form-Factor Pluggable (SFP) Copper Transceiver HSSDC2 Electrical Interface Infiniband HSSDC2 ELECTRICAL INTERFACE, PIN DESCRIPTIONS PIN NAME DIRECTION AT HSSDC2 PIN 1 PIN 2 TGND RD+ IN PIN 3 PIN 4 PIN 5 RDTGND TD- IN OUT PIN 6 TD+ OUT PIN 7 TGND - DESCRIPTION Transmit ground Differential receiver inputs. Internally terminated. " Transmit ground Differential receiver outputs. User to terminate. " Transmit ground Fibre Channel HSSDC2 ELECTRICAL INTERFACE, PIN DESCRIPTIONS PIN NAME DIRECTION AT HSSDC2 PIN 1 PIN 2 TGND RD- IN PIN 3 PIN 4 PIN 5 RD+ TGND TD+ IN OUT PIN 6 TD- OUT PIN 7 TGND - DESCRIPTION Transmit ground Differential receiver inputs. Internally terminated. " Transmit ground Differential receiver outputs. User to terminate. " Transmit ground MOLEX High Performance Adapter 101 Bringler Drive, Maumelle, AR 72113 / Tel: (501) 851-4850 Web: www.molex.com Small Form-Factor Pluggable (SFP) Copper Transceiver Transmit Differential Eye Pattern Eye Height: Eye Width: Jitter (pp): Skew: Rise/Fall: 1.259 V 353.4 ps 44 ps 5 ps 103 ps Eye Height: Eye Width: Jitter (pp): Skew: Rise/Fall: 848.6 mV 345.4 ps 46 ps 3 ps 120 ps Receive Differential Eye Pattern MOLEX High Performance Adapter 101 Bringler Drive, Maumelle, AR 72113 / Tel: (501) 851-4850 Web: www.molex.com