Delta Electronics LCP-1250 User's Manual
Contents
1. 110 1 LOS Digital state of the LOS output pin 110 0 Data_Ready_Bar NA 7 Optional Set of Alarm and Warning Byte Bit Name Description 112 7 Temp High Alarm Set when internal temperature exceeds high alarm level 112 6 Temp Low Alarm Set when internal temperature is below low alarm level 112 5 Vcc High Alarm Set when internal supply voltage exceeds high alarm level 112 4 Vcc Low Alarm Set when internal supply voltage is below low alarm level 112 3 Tx Bias High Alarm Set when Tx Bias current exceeds high alarm level 112 2 Tx Bias Low Alarm Set when Tx Bias current is below low alarm level 112 1 Tx Power High Alarm Set when Tx output power exceeds high alarm level 112 0 Tx Power Low Alarm Set when Tx output power is below low alarm level 113 7 Rx Power High Alarm Set when received power exceeds high alarm level 113 6 Rx Power Low Alarm Set when received power is below low alarm level 113 5 0 Reserved 116 7 Temp High Warning Set when internal temperature exceeds high warning level 116 6 Temp Low Warning Set when internal temperature is below low warning level 116 5 Vcc High Warning Set when internal supply voltage exceeds high warning level 116 4 Vcc Low Warning Set when internal supply voltage is below low warning level 116 3 Tx Bias High Warning Set when Tx Bias current exceeds high warning level 116 2 Tx Bias Low Warning Set when Tx Bias current is below low warning level 116 1 Tx Power High Warning Set when Tx output power exceeds high warning level 112. gt 0 8 lt 2 0V Undefined High 2 0 3 465V Transmitter Disabled Open Transmitter Disabled Mod Def 0 1 2 These are the module definition pins They should be pulled up with a 4 7K 10KOQresistor on the host board The pull up voltage shall be VccT or VccR see Section IV for further details Mod Def 0 is grounded by the module to indicate that the module is present Mod Def 1 is the clock line of two wire serial interface for serial ID Mod Def 2 is the data line of two wire serial interface for serial ID LOS Loss of Signal is an open collector drain output which should be pulled up with a 4 7K 10KQ resistor Pull up voltage between 2 0V and VccT R 0 3V When high this output indicates the received optical power is below the worst case receiver sensitivity as defined by the standard in use Low indicates normal operation In the low state the output will be pulled to lt 0 8V VeeR and VeeT may be internally connected within the SFP module RD These are the differential receiver outputs They are AC coupled 1000 differential lines which should be terminated with 1000 differential at the user SERDES The AC coupling is done inside the module and is thus not required on the host board The voltage swing on these lines will be between 370 and 2000 mV differential 185 1000 mV single ended when properly terminated VccR and VccT are the receiver and transmitter power supplies They are defined as 3 3V 5 at the SFP c
3. 6 0 Tx Power Low Warning Set when Tx output power is below low warning level 117 7 Rx Power High Warning Set when received power exceeds high warning level 117 6 Rx Power Low Warning Set when received power is below low warning level 117 5 0 Reserved Digital Diagnostic Monitor Accuracy Parameter Typical Value Note Transceiver Temperature 3 C 1 Power Supply Voltage 3 2 TX Bias Current 10 TX Optical Power 1 5dB RX Optical Power 3dB Notes 12 2008 1 15 Rev 0A DELTA ELECTRONICS INC www deltaww com Aneta 1 Temperature is measured internal to the transceiver 2 Voltage is measured internal to the transceiver Regulatory Compliance Test Item Reference Qty Evaluation 1 FCC Class B Electromagnetic Interference EN 55022 Class B 5 EMC CISPR 22 ee EN 61000 4 3 Radio Frequency IEC 1000 4 3 9 Electromagnetic Field 1 Satisfied with electrical characteristics of 3 Immunity EN 61000 4 2 produet spag Electrostatic Discharge to the IEC 1000 4 2 5 Duplex SC Receptacle Ecja 2 No physical damage 4 Electrostatic Discharge to MIL STD 883C the Electrical Pins Method 3015 4 EIAJ 1988 3 2B 5 Version 2 Machine model DELTA ELECTRONICS INC 13 2008 1 15 Rev 0A www deltaww com Aneta Ordering information for SFP modules LCP 1250D4 X X2 X3BX Link Budget Wavelength R 24dB 47 Single mode 1470nm V 30dB 49 Single mode 1490nm 51
4. A newta RoHS Compliant Multi Rate CWDM SFP Transceiver for GbE and Fiber Channel with DDM Function Description The LCP 1250 CWDM series are designed for coarse wavelength division multiplexing applications CWDM and hot pluggable SFP transceiver modules that data rates up to 1 25Gb s The LCP 1250 CWDM series are support GbE 1 25Gb s and 1x Fiber channel 1 062Gb s The selectiveness of center wavelength has 1470 1490 1510 1530 1550 1570 1590 and 1610 nm The LCP 1250 CWDM series are designed to be compliant with SFF 8472 SFP Multi source Agreement MSA with digital diagnostic monitoring functions Temperature Vcc TX optical power TX laser bias current and RX received optical power The post amplifier of the LCP 1250 CWDM series also includes a Loss of Signal LOS circuit that provides a TTL logic high output when the received optical level is below a preset LOS Assert threshold DELTA ELECTRONICS INC FEATURES e Compliant with SFP Transceiver SFF 8472 MSA specification with internal calibration e Multi rate operation from 125 to 1250Mpbs Single 3 3V Power Supply and TTL Logic Interface 6 8 Wavelength A Uncooled CWDM DFB laser LD transmitter EEPROM with Serial ID Functionality Laser Class 1 Product which comply with the requirements of IEC 60825 1 and IEC 60825 2 e Duplex LC Connector interface Applications e Gigabit Ethernet 6 Switch to Switch interface e Switched bac
5. N PN PN PN PN PN PN PN PN PN PN 41 20 20 20 CW CW 00 CS1 00 1A 00 00 SN SN SN SN SN SN SN SN SN SN SN SN SN SN SN SN DC DC Byte 60 61 The center wavelength of transmitter Byte 63 Check sum of bytes 0 62 Byte 68 83 Serial number DELTA ELECTRONICS INC 10 ASCII Note 5 Note 5 Note 6 Note 7 Note 8 Address 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 Hex DC DC DC DC DC DC 68 BO 02 CS2 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ASCII Note 9 Note10 2008 1 15 Rev 0A www deltaww com Aneta 8 Byte 84 91 Date code 9 Byte 95 Check sum of bytes 64 94 10 Byte 128 to 255 had been set hex 00 Digital Diagnostic Monitoring Interface Alarm and Warning Thresholds 2 Wire Address A2h Address Se Name Value Dec 00 01 2 Temp High Alarm Tc MAX 15 02 03 2 Temp Low Alarm Tc MIN 04 05 2 Temp High Warning Tc MAX 10 06 07 2 Temp Low Warning Tc MIN 10 08 09 2 Voltage High Alarm Vcct5 10 11 2 Voltage Low Alarm Vec 5 12 13 2 Voltage High Warning Vec 3 14 15 2 Voltage Low Warning Vec 3 16 17 2 Bias High Alarm lop 2 35 18 19 2 Bias Low Alarm lop 13 20 21 2 Bias High Warning lop 2 30 22 23 2 Bias Low Wa
6. Single mode 1510nm 53 Single mode 1530nm JROHS Compliance Temperature R RoHS Compliant Blank 5 to 70 degree C H 10 to 85 degree C T 40 to 85 degree C 14 2008 1 15 Rev 0A DELTA ELECTRONICS INC www deltaww com
7. ec 4 Notes 1 Internally AC coupled and terminated to 100Ohm differential load 2 Pull up to Vcc on host Board 3 Internally AC coupled but requires a 1000Ohm differential termination at or internal to Serializer Deserializer 4 These are 20 80 values 2 2008 1 15 Rev 0A DELTA ELECTRONICS INC www deltaww com MELTA Optical Characteristics Transmitter Vcc 3 3V 5 Data Rate 1250Mb sec PRBS 2 1 NRZ Parameter Symbol Min Typ Max Unit Note Output Optical Power Avg LCP 1250D4MxxRB P 5 0 dBm LCP 1250D4RxxRB 0 5 LCP 1250D4VxxRB 0 5 Optical Extinction Ratio ER 9 dB Center Wavelength LCP 1250D4x47RB 1464 5 1470 1477 5 LCP 1250D4x49RB 1484 5 1490 1497 5 LCP 1250D4x51RB 1504 5 1510 1517 5 LCP 1250D4x53RB Ac 1524 5 1530 1537 5 nm LCP 1250D4x55RB 1544 5 1550 1557 5 LCP 1250D4x57RB 1564 5 1570 1577 5 LCP 1250D4x59RB 1584 5 1590 1597 5 LCP 1250D4x61RB 1604 5 1610 1617 5 Spectral Width 20dB 0 1 nm Side mode Suppression Ratio SMSR 30 dB Optical Rise Fall Time Hi 260 psec 1 Relative Intensity Noise RIN 120 dB Hz Output Eye Compliant with IEEE 802 3z Receiver Vcc 3 3V 5 Data Rate 1250Mb sec PRBS 2 1 NRZ Parameter Symbol Min Typ Max Unit Note Sensitivity Avg 1 25Gbps LCP 1250D4MxxRB 24 LCP 1250D4RxxRB Ps 24 den S LCP 1250D4VxxRB 30 Input Optical Wavelength A 1450 1620 nm LOS Deasserted Avg LCP 1250D4MxxRB p 24 dBm LCP 1250D4RxxRB A 24 LCP 1250D4VxxRB 30 LOS Asserted A
8. kplane applications File server interface Performance e LCP 1250D4MxxRB 1470nm to 1610nm CWDM DFB laser transmitter and PIN receiver 19dB link budget e LCP 1250D4RxxRB 1470nm to 1610nm CWDM DFB laser transmitter and PIN receiver 24dB link budget e LCP 1250D4VxxRB 1470nm to 1610nm CWDM DFB laser transmitter and APD receiver 30dB link budget 2008 1 15 Rev 0A www deltaww com MELTA Absolute Maximum Ratings Parameter Symbol Min Typ Max Unit Note Storage Temperature Ts 40 85 C Supply Voltage Vcc 0 5 V Recommended Operating Conditions Parameter Symbol Min Typ Max Unit Note Case Operating Temperature Tc 5 70 C 1 Supply Voltage Vcc 3 135 3 465 V Data Rate 1250 Mbps Note 1 See order information Electrical Characteristics Vec 3 3V E 5 Parameter Symbol Min Typ Max Unit Note Total Supply Current LCP 1250D4xxxRB ICCT 360 mA LCP 1250D4xxxRBH 380 LCP 1250D4xxxRBT 380 Transmitter Transmitter Differential Input Voltage VDT 0 5 2 4 V 1 Transmitter Disable Input High VbisH 2 Vect0 3 V Transmitter Disable Input Low Most Vee 0 8 V Transmitter Fault Pull up Resistor Rtx FAULT 4 7 10 kQ 2 Transmitter Fault Output High VIxFH 2 Vect0 3 V Transmitter Fault Output Low VIXEL Vee 0 8 V Receiver Receiver Differential Output Voltage VDR 0 35 2 V 3 Receiver LOS Load Rrxtos 4 7 10 kO 2 LOS Output Voltage High ViosH 2 Vect0 3 V LOS Output Voltage Low VLosL Vee 0 8 V Output Data Rise Fall Time t t 260 ps
9. l_clock 100 kHz Notes 1 Time from rising edge of TX_DISABLE to when the optical output falls below 10 of nominal 2 Time from falling edge of TX_DISABLE to when the modulated optical output rises above 90 of nominal 3 From power on or negation of TX_Fault using TX Disable 4 Time from fault to TX fault on 5 Time TX Disable must be held high to reset TX_Fault 6 Time from LOS state to Rx LOS assert 7 Time from non LOS state to Rx LOS deassert DELTA ELECTRONICS INC 2008 1 15 Rev 0A www deltaww com MELTA Package Outline Drawing oZ QICREF az 56 50 1 Se E A ry tq i d LOP XXXXXXXX H A nea E Eim T Dae 5 YYWWDDLXXXXX E x 29 40 REF ka HI D ees ge a 7 OO ie Sep g tL ee ks Unitimm o KE LD 45 0020 N CS ai ay Ee VO d D PEH 8 2008 1 15 Rev 0A DELTA ELECTRONICS INC www deltaww com Aneta Enhanced Digital Diagnostic Interface The memory map in the following describes an extension to the memory map defined in SFP MSA The enhanced interface uses the two wire serial bus address 1010001X A2h to provide diagnostic information about the module s present operating co
10. nditions 2 wire address 1010000 X AOh 2 wire address 1010001 X A2h Alarm and Warning Thresholds 56 bytes Serial ID Defined by SFP MSA 96 bytes Cal Constants 40 bytes Real Time Diagnostic Interface 24 bytes Vender Specific 32 bytes Vender Specific User Writable EEPROM Reserved in SFP MSA 120 bytes 128 bytes Vender Specific 8 bytes Digital Diagnostic Memory Map Specific Data Field Descriptions 9 2008 1 15 Rev 0A DELTA ELECTRONICS INC www deltaww com Aneta EEPROM Serial ID Memory Contents 2 Wire Address AOh Address 00 01 02 03 04 05 06 07 08 09 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 Notes 1 on A WwW N N Byte 3 10 Code for electronic compatibility or optical compatibility Hex 03 04 07 00 00 00 02 00 00 00 00 03 OD 00 XX FF 00 00 00 00 44 45 4C 54 41 20 20 20 20 20 20 20 20 20 20 20 00 00 00 00 PN PN PN ASCII Note 1 1000Base Note 2 Note 3 gt ar MU Note4 Address 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 Byte 14 Transmission distance in km Byte 15 Transmission distance in 100m distance gt 25 5km FFh Byte 40 55 Delta part number Hex PN PN P
11. oard Pin Function Definitions Name Function 1 Seg _VeeT Transmitter Ground VeeT Transmitter Ground TX Fault Transmitter Fault Indication TX Disable Transmitter Disable MOD DEF2 Module Definition 2 MOD DEF1 Module Definition 1 MOD DEFO Module Definition 0 Note 1 Note 2 Module disables on high or open Note 3 2 wire serial ID interface Note 3 2 wire serial ID interface Note 3 Grounded in Module Function not available Note 4 Note 5 Note 5 Note 5 Note 6 Note 7 Note 5 3 3 5 Note 7 3 3 5 Note 7 Note 5 Note 8 Note 8 Note 5 LOS Los at Signal _VeeR Receiver Ground _VeeR__ Receiver Ground VeeR ReceiverGround Verb Receiver Power Nol Transmitter Power ED RE Transmitter Ground Plug Seq Pin engagement sequence during hot plugging 5 2008 1 15 Rev 0A DELTA ELECTRONICS INC www deltaww com Aneta Notes 1 TX Fault is an open collector drain output which should be pulled up with a 4 7K 10KQ resistor on the host board Pull up voltage between 2 0V and VccT R 0 3V When high output indicates a laser fault of some kind Low indicates normal operation In the low state the output will be pulled to lt 0 8V TX disable is an input that is used to shut down the transmitter optical output It is pulled up within the module with a 4 7 10 K Q resistor Its states are Low 0 0 8V Transmitter on
12. onnector pin Maximum supply current is 300mA Recommended host board power supply filtering is shown below Inductors with DC resistance of less than 1 ohm should be used in order to maintain the required voltage at the SFP input pin with 3 3V supply voltage When the recommended supply filtering network is used hot plugging of the SFP transceiver module will result in an inrush current of no more than 30mA greater than the steady state value VccR and VccT may be internally connected within the SFP transceiver module TD These are the differential transmitter inputs They are AC coupled differential lines with 1000 differential termination inside the module The AC coupling is done inside the module and is thus not required on the host board The inputs will accept differential swings of 500 2400 mV 250 1200 mV single ended though it is recommended that values between 500 and 1200 mV differential 250 600 mV single ended be used for best EMI performance 6 2008 1 15 Rev 0A DELTA ELECTRONICS INC www deltaww com Aneta SFP timing parameters for SFP management Parameter Symbol Min Max Unit Note TX_DISABLE Assert time t_off 10 usec 1 TX_DISABLE Negate time ton 1 msec 2 Time to initialize includin ae reset of TX_FAULT LJ Si mane S TX Fault Assert Time t_fault 100 usec 4 TX_DISABLE to reset t_rest 10 usec 5 LOS Assert Time t_loss_on 100 usec 6 LOS Deassert Time t_loss_ off 100 usec 7 Serial ID Clock Rate f_seria
13. rning lop 8 24 25 2 TX Power High Alarm P 3 26 27 2 TX Power Low Alarm P 3 28 29 2 TX Power High Warning P 2 30 31 2 TX Power Low Warning P 2 32 33 2 RX Power High Alarm Pot 3 34 35 2 RX Power Low Alarm Ps 2 36 37 2 RX Power High Warning Po 2 38 39 2 RX Power Low Warning Ps 40 45 16 Reversed 56 91 36 External Calibration Constants 92 94 3 Reversed 95 1 Checksum 96 97 2 Real Time Temperature 98 99 2 Real Time Supply Voltage 100 101 2 Real Time Tx Bias Current 102 103 2 Real Time Tx Optical Power 104 105 2 Real Time Rx Received Power 106 109 4 Reserved 110 1 Optional Status Control Bits 111 1 Reserved 112 119 8 Optional Set of Alarm and Warning Notes 1 Tc Case Operating temperature 2 3 P Operating optical power of transmitter at room temperature 4 Po Overload optical power of receiver 11 DELTA ELECTRONICS INC lop Operating current at room temperature The min setting current is 0 mA Unit C Volt mA dBm dBm Note 2008 1 15 Rev 0A www deltaww com Aneta Ps Sensitivity optical power of receiver 5 Byte 95 contains the low order 8bits of sum of bytes 0 94 6 State Control Bits Byte Bit Name Description 110 7 Tx Disable State Digital state of the Tx disable input pin 110 6 Soft Tx Disable Read Write bit that allow software disable of laser 110 5 Reserved 110 4 Rate Select tate NA 110 3 Soft Rate Select NA 110 2 Tx Fault Digital state of the Tx fault output pin
14. vg Pp 40 dBm LOS Hysteresis Pa Pp 0 5 dB Overload Avg LCP 1250D4MxxRB 3 LCP 1250D4RxxRB Po 3 SE LCP 1250D4VxxRB 9 Reflectance r 12 dB Notes 1 These are unfiltered 20 80 values 2 The sensitivity is provided at a BER of 1x10 or better with an input signal consisting of 1250Mb s 2 1 PRBS and ER 9 lt B 3 2008 1 15 Rev 0A DELTA ELECTRONICS INC www deltaww com Aneta 12 1 00 Mean level of logical 1 DE 0 50 020 Amplitude 0 00 Mean level of logical 0 A 20 0 00 0 22 0 375 0 625 078 100 Time Mask of the eye diagram for the optical transmit signal Recommend Circuit Schematic vcc EE 1uH e ANEN Protocol Vcc lu DELTA SFP Module RESI 10uF OWE Leen ji VW 7v our VecT RSR 10k Ohms Tx_Disable 4 Tx_Fault we Laser Driver wv a Ton oi L Diode Protocol IC SerDes IC Preamp amp Quantizer b A R Photo Diode Rx_LOS EEPROM PLD PAL Mod_def 2 RES1 4 7k to 10k Ohms Depands on SerDes IC used 4 2008 1 15 Rev 0A DELTA ELECTRONICS INC www deltaww com MELTA SFP Transceiver Electrical Pad Layout 8 TxFault Tx Disable MOD DEF 2 MOD DEF 1 MOD DEF 0 Rate Select rc CH gt VeeR Bottom of Board as viewed Top of Board thru top of b
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