Izici ◊ Isixhumi esibonakalayo sikagesi sithobela i-SFF-8431 ◊ 850nm VCSEL laser kanye ne-PIN photo-detector ◊ Ubude besixhumanisi obukhulu obungu-70m ku-OM3 MMF kanye no-100m ku-OM4 MMF ◊ Imisebenzi yokuxilongwa kweDigital iyatholakala nge-I2C interface ◊ Ikesi Lokusebenza Lokusebenza: C ukuya +70 °C ◊ +3.3V ukunikezwa kwamandla okukodwa ◊ Ukusetshenziswa kwamandla ngaphansi kuka-1W ◊ I-RoHS ethobelana ◊ Ukuvikelwa kwephasiwedi ye-A0h kanye ne-A2h Izinhlelo zokusebenza ◊ 25GBASE-SR Ethernet ◊ Amaseva, amaswishi, isitoreji kanye nama-adaptha ekhadi lomsingathi Ukucaciswa Okuphelele Okuphelele Kwezilinganiso Zepharamitha Okuncane Ithebula1- Ithebula Le-Absolute Maximum Ratings Ipharamitha . Ubukhulu obujwayelekile. Amanothi Eyunithi Ukunikezela I-Voltage Vcc3 -0.5 - +3.6 V Izinga Lokushisa Lesitoreji Ts -10 - +70 °C Umswakamo Osebenzayo RH +5 - +85 % 1 Qaphela: 1 Ayikho i-condensation Enconyiwe Izimo Zokusebenza Ipharamitha Uphawu Okuncane. Ubukhulu obujwayelekile. Iyunithi Amanothi Okushisa Ikesi Lokusebenza TC 0 - +70 °C I-Voltage Yamandla Kagesi Vcc 3.14 3.3 3.3 3.47 V I-Icc Yamanje Yokuhlinzeka Amandla - - 300 mA Power Dissipation Pd - - 1.0 W Bit Rate BR 8.5 25.78125 Fiber - Gbps Rhuba Ithebula 2- Izimo zokusebenza ezinconyiwe Ithebula Lezimpawu Zezici Zogesi 3- Ipharamitha Yepharamitha Yezici Zogesi I-Min. Thayipha. Ubukhulu. Amayunithi Amanothi I-Transmitter Differential Data Input Swing Vin,PP 200 - 1600 mVPP Input Differential Impedance ZIN 90 100 110 Ω Tx_Fault Ukusebenza Okujwayelekile VOL 0 - 0.8 V Transmitter Fault VOH 2.0 - VCCable V0 8 Laser Operation Normal V Tx_Di Khubaza i-VIH 2.0 - VCC+0.3 V I-Receiver Differential Date Output Vout 400 - 800 mV Output Differential Impedance ZD 90 100 110 Ω Rx_LOS Ukusebenza Okujwayelekile VOL 0 - 0.8 V Lose Signal VoH 4 Opstical Table - 0.8 V Lose Signal VoH 2.0 I-Characteristics Parameter Symbol Unit Min Typ Max Notes Isidluliseli esibonakalayo I-Optical Transmitter Characteristics Bit Rate BR Gbps 8.5 25.78125 - Centre Wavelength Range λc nm 820 850 880 Amandla Okwethula AmaphakathiTx_off Poff dBm - I-Optical 10 60 Amandla -B45 I-Optical 60. I-Extinction Ratio ER dB 2 - - Spectral Width(RMS) RMS nm - - 0.65 Optical Receiver Characteristics Bit Rate BR Gbps 8.5 25.78125 Bit Error Rate BER - - E-12 Damage threshold DT 4dBm -Power Overload dBm 3. 2.4 - - 2 Center Wavelength Range λc nm 820 - 880 Ukuzwela Kwesamukeli kuAmandla Amaphakathi Sen dBm - - -5.2 3 Los Assert LosA dBm -30 - - Los De-Assert LosD dBm - - -13 Los 0 up5 Hystere 50/125 MMF. Kukalwe ngephethini yokuhlola ye-PRBS 231-1 @25.78125Gbps.BER=E-12 3. BER=1x10-12; PRBS231-1@25.78125Gbps. Ibhodi Lomsingathi Elinconywayo Lokuhlinzeka Amandla Umdwebo 1, Ibhodi Lokusingatha Elinconyiwe Lokuhlinzeka Amandla Circuit Okunconyiwe I-Interface Circuit Figure 2, Ukuhlelwa Kwephinikhodi Ye-Interface Circuit Enconyiwe Umfanekiso 3, I-Pin Buka Ithebula 5-Pin Function Definitions pin Symbol Symbol Name/Incazelo 2 Ground Notes I-TX_FAULT Module Transmitter Fault 2 3 TX_DISABLE Transmitter Khubaza; Ivala okukhipha i-laser transmitter 3 4 SDA 2-Wire Serial Interface Data Line (MOD-DEF2) 5 SCL 2-Wire Serial Interface Clock (MOD-DEF1) 6 MOD_ABS Imojula Ayikho, exhunywe ku-VEET noma i-VEER kumojuli 2 7 RS0 Rate Khetha u-0, ngokuzikhethela ulawula umamukeli wemojuli ye-SFP+ 4 8 RX_LOS Ukulahleka Kwesamukeli ye-Signal Indication (Ku-FC eqokwe njenge-Rx_LOS naku-Ethernet eqokwe NJENGAWUKHO I-Signal Detect) 2 9 RS1 Rate Khetha 1, ngokuzikhethela ilawula i-SFP+ module transmitter 4 10 VEER Module Receiver Ground 1 11 VEER Module Receiver Ground 1 12 I-RD-Receiver Ephumayo Yedatha 13 I-RD+ Receiver Okukhiphayo Kwedatha Engaguquki 14 VEER Imojula Yokwamukela Imojula 1 15 VCCR Isamukeli Semojula 3.3 V Nikeza 16 VCCT Module Transmitter 3.3 V Supply 17 VEET Module Transmitter Ground 1 18 TD+ Transmitter Non-Tmitter Inputtered 29 Data Inputter Inputter I-VEET Module Transmitter Ground 1 Qaphela: Izikhonkwane zomhlabathi zemojuli zihlukanisiwe nekesi lemojuli. Izikhonkwane zizodonswa nge-4.7K-10Kohms ku-voltage ephakathi kuka-3.14V no-3.46V ebhodini lomsingathi. Iphinikhodi idonselwa ku-VCCT nge-resistor engu-4.7K-10KΩ kumojuli. Bheka i-SFF-8472 Rev12.2 Ithebula 10-2. Ukucaciswa Kokuqapha Umfanekiso 4, Umdwebo Wemephu Yenkumbulo Yokuklama Umshini Ithebula 5- Ubude Bekhebula Lobude L (Iyunithi: m) Iyabekezelela (Iyunithi: cm) ≤1.0 +5/-0 1.0＜L≤4.5 +4≤4.5 +15/-0 14.5 +30/-0 ＞14.5 +2%/-0 Izexwayiso Zokuphatha Izinyathelo Zokuqaphela: Le divayisi isengozini yokulimala ngenxa yokukhishwa kwe-electrostatic discharge (ESD). Indawo ekhululekile enganyakazi inconywa kakhulu. Landela imihlahlandlela ngokwezinqubo ezifanele ze-ESD. Ukuphepha Kwe-Laser: Imisebe ekhishwa yimishini ye-laser ingaba yingozi emehlweni abantu. Gwema ukuchayeka kweso emisebeni eqondile noma engaqondile.

Izici: ◊ Idizayini yemizila engu-4 ye-MUX/DEMUX ◊ I-CWDM TOSA / ROSA edidiyelwe kufika ku-10 km ifinyelela ngaphezu kwe-SMF ◊ Sekela u-100GBASE-CWDM4 ngesilinganiso somugqa esingu-103.125Gbps kanye ne-OTU4 ngesilinganiso somugqa we-111.81Gbps 0Gbps 0Gbps ◊ Izixhumi ze-Duplex LC ◊ Ithobelana ne-IEEE 802.3-2012 Isigaba somthetho 88 esijwayelekile se-IEEE 802.3bm CAUI-4 chip ukuze sibe module standard ITU-T G.959.1-2012-02 ejwayelekile · ◊ I-Single +3.3V Ibhulokhi yamandla esebenzayo esebenzayo ◊ imisebenzi ◊ Ibanga lokushisa 0°C ukuya ku-70°C ◊ Izicelo Zengxenye Ye-RoHS Ethobelayo: ◊ Inethiwekhi Yendawo Yendawo (LAN) ◊ Inethiwekhi Yendawo Ebanzi (WAN) ◊ Amaswishi e-Ethernet nezinhlelo zokusebenza zerutha Incazelo: I-JHAQ28C10C iyimojula ye-transceiver eklanyelwe izinhlelo zokusebenza zokuxhumana ze-optical eziyi-10km. Idizayini ithobelana ne-100GbASE-LR4 ye-IEEE 802.3-2012 Isigaba somthetho 88 esijwayelekile se-IEEE 802.3bm CAUI-4 chip ukuze kumojulwe indinganiso kagesi ye-ITU-T G.959.1-2012-02 . I-module iguqula iziteshi ze-4 zokufaka (ch) ze-25.78 Gbps kuya ku-27.95Gbps idatha kagesi ku-4 imizila yezimpawu ze-optical, futhi iziphindaphinda zibe isiteshi esisodwa se-100Gb / s yokudlulisa optical. Ngokuhlehlayo, ohlangothini lomamukeli, imojula i-optically de-multiplexes okokufaka kwe-100Gb/s ibe amasignali emizila emi-4, futhi iwaguqulele emigwaqweni emi-4 ekhipha idatha kagesi. Amaza amaphakathi emizila emi-4 ngu-1270 nm, 1290 nm, 1310 nm kanye no-1330 nm. Iqukethe isixhumi se-LC esiyi-duplex yesixhumi esibonakalayo esibonakalayo nesixhumi samaphini angama-38 esixhumi esibonakalayo sikagesi. Ukuze kuncishiswe ukuhlakazeka kokubona ohlelweni lokudonsa isikhathi eside, i-fiber yemodi eyodwa (SMF) kufanele isetshenziswe kule mojula. Umkhiqizo uklanywe nge-form factor, uxhumano lwe-optical/electric kanye ne-digital diagnostic interface ngokuvumelana ne-QSFP28 Multi-Source Agreement (MSA). Iklanyelwe ukuhlangabezana nezimo zokusebenza zangaphandle ezinzima kakhulu ezihlanganisa izinga lokushisa, umswakama kanye nokuphazanyiswa kwe-EMI. Imojula isebenza kugesi owodwa we-+3.3V kanye namasiginali okulawula umhlaba wonke we-LVCMOS/LVTTL njengeModule Present, Setha Kabusha, Ukuphazamisa kanye Nemodi Yamandla Aphansi ayatholakala namamojula. I-serial interface enezintambo ezi-2 iyatholakala ukuze ithumele futhi yamukele amasiginali okulawula ayinkimbinkimbi kanye nokuthola ulwazi lokuxilonga lwedijithali. Iziteshi ngazinye zingasingathwa futhi iziteshi ezingasetshenzisiwe zingavalwa ukuze umklamo ube nezimo eziguquguqukayo. I-JHAQ28C10C yakhelwe nge-form factor, uxhumano lwe-optical/electric kanye nesixhumi esibonakalayo sokuxilonga esidijithali ngokweSivumelwano se-QSFP28 Multi-Source Agreement (MSA). Iklanyelwe ukuhlangabezana nezimo zokusebenza zangaphandle ezinzima kakhulu ezihlanganisa izinga lokushisa, umswakama kanye nokuphazanyiswa kwe-EMI. Imojula inikeza ukusebenza okuphezulu kakhulu nokuhlanganiswa kwesici, okufinyeleleka nge-serial interface enezintambo ezimbili. • Absolute Maximum Izilinganiso Ipharamitha Symbol Min. Ubukhulu obujwayelekile. I-Unit Storage Temperature TS -40 +85 °C Supply Voltage VCCT, R -0.5 4 V Umswakamo Ohlobene RH 0 85 % • Indawo yokusebenza Enconyiwe: Uphawu Lwepharamitha Min. Ubukhulu obujwayelekile. I-Unit Case yokusebenza Temperature TC 0 +70 °C Supply Voltage VCCT, R +3.13 3.3 +3.47 V Supply Current ICC 1100 1500 mA Power Dissipation PD 5 W • Izimpawu zikagesi (TOP = 0 kuya ku-70 °C, VCC3 kuya ku-3. Ipharamitha Yophawu Lwe-Min Typ Max Iyunithi Yedatha Yesilinganiso Sedatha Ishaneli ngayinye - 25.78125 Gbps 27.9525 Ukusetshenziswa kwamandla - 2.7 3.5 W Supply Current Icc 0.8 1 A Control I/O Voltage-High VIH 2.0 Vcc V Control I/O Voltage-Low VIL 0 0.5ke V Inter-Channel SSK Ps RESETL Ubude besikhathi 10 Us I-RESETL I-De-assert isikhathi 100 ms Amandla Ngesikhathi 100 ms Transmitter Okukodwa Okuphelile Ukubekezelela I-Voltage 0.3 Vcc V 1 Imodi Evamile Ukubekezelela I-Voltage 15 mV Dlulisa Okokufaka Kokufaka I-Diff Voltage VI 150 1200 mV Transmit Input Diff 8 Input 1 Impedance 1 Impedance 1 I-Data Impedance 15150 Impedance 1 I-DDJ 0.3 Isamukeli se-UI Esiphelile Ukubekezelela I-Voltage Ephumayo Eyodwa 0.3 4 V Rx Output Diff Voltage Vo 370 600 950 mV Rx Output Rise and Fall Voltage Tr/Tf 35 ps 1 Total Jitter TJ 0.3 Optical UI Inothi: 0.3 ～ I-Optical imitha 0.3 I-Optical 0 kube 70 °C, VCC = 3.0 kuya ku-3.6 Volts) Ipharamitha Yophawu Lwe-Min Typ Max Unit Ref. Isabelo se-Transmitter Wavelength L0 1264.5 1271 1277.5 nm L1 1284.5 1291 1297.5 nm L2 1304.5 1311 1317.5 nm L3 1324.5 13. 30 - - dB Ingqikithi Yamandla Okuqalisa Okumaphakathi PT -6 - 6.5 dBm Amandla Okuqalisa Amaphakathi, Umzila ngamunye -6 - 2.5 dBm Umehluko Ekuqaliseni Amandla phakathi kwanoma yimiphi Imizila emibili (OMA) - - 3.5 dB TDP, I-Lane TDP 2.2 dB Extinction Ratio ngayinye 2.2 dB Extinction Ratio ngayinye 4 - - DB Transmitter Eye Mask Definition {X1, X2, X3, Y1, Y2, Y3} {0.25, 0.4, 0.45, 0.25, 0.28, 0.4} Optical Return Loss Tolerance - - 20 dB Average Launch Power OFF Transmitter, I-Lane Poff ngayinye -30 dBm Intens Rent -128 dB/HZ I-Optical Return Loss Tolerance - - 12 dB Damage Threshold THd 3.3 dBm 1 Amandla Amaphakathi Kokufaka Isamukeli, Umzila ngamunye R -13.0 0 dBm RSSI Ukunemba -2 2 dB Receiver Reflectance RdB -2iver ngayinye I-Reflectance RdB -2iver ngayinye - 3.5 dBm LOS De-Assert LOSD -15 dBm LOS Assert LOSA -25 dBm LOS Hysteresis LOSH 0.5 dB Note 12dB Reflection • I-Diagnostic Monitoring Interface Umsebenzi wokuqapha ukuxilonga kweDijithali uyatholakala kuwo wonke ama-QSFP28 LR4. I-serial interface enezintambo ezi-2 inikeza umsebenzisi ukuthi axhumane nemojuli. Ukwakheka kwenkumbulo kukhonjiswa ngokugeleza. Isikhala senkumbulo sihlelwe saba ngaphansi, ikhasi elilodwa, indawo yekheli engamabhayithi angu-128 namakhasi amaningi esikhala samakheli aphezulu. Lesi sakhiwo sivumela ukufinyelela okufika ngesikhathi kumakheli ekhasini elingezansi, elifana namafulegi aphazamisayo nabaqaphi. Isikhathi esincane esibalulekile esifakiwe, esifana nolwazi lwe-serial ID namasethingi e-threshold, ayatholakala nomsebenzi Wokukhetha Ikhasi. Ikheli lesixhumi esibonakalayo elisetshenzisiwe lithi A0xh futhi lisetshenziselwa kakhulu idatha ebalulekile yesikhathi njengokuphatha ukuphazamiseka ukuze kunikwe amandla ukufundwa kanye nje kwayo yonke idatha ehlobene nesimo sokuphazamiseka. Ngemva kokuphazamiseka, i-IntL isigonyelwe, umsingathi angafunda inkundla yefulegi ukuze anqume isiteshi esithintekile kanye nohlobo lwefulegi. I-Page02 i-EEPROM yomsebenzisi futhi ifomethi yayo inqunywa umsebenzisi. Incazelo yemininingwane yememori ephansi kanye nememori ephezulu yekhasi00.page03 sicela ubheke idokhumenti ye-SFF-8436. • Isikhathi Sokulawula Okuthambile Nemisebenzi Yesimo Sepharamitha I-Symbol Max Unit Conditions Isikhathi Sokuqalisa t_init 2000 ms Isikhathi kusukela kumandla ku-1, ipulaki eshisayo noma unqenqema olukhuphukayo Lokusetha Kabusha kuze kube imojuli isisebenza ngokugcwele2 Setha Kabusha Isikhathi Sokugunyaza I-init t_reset_init 2 μs Ukusetha kabusha kukhiqizwa ngokuphansi Izinga elide kunesikhathi esincane sokusetha kabusha ishayela esikhona kuphinikhodi ye-ResetL. I-serial Bus Hardware Isikhathi Sokulungiseka t_serial 2000 ms Isikhathi sisuka kumandla ku-1 kuze kube imojuli iphendula ekudluliselweni kwedatha ngebhasi le-serial elinezintambo ezi-2 Monitor Data ReadyTime t_data 2000 ms Isikhathi kusuka emandleni kuya kudatha engalungile, bit 0 ye-Byte 2, i-deassered ne-IntL iyagomela. Setha kabusha Isikhathi Sokugomela t_reset 2000 ms Isikhathi ukusuka onqenqemeni olukhuphukayo kuphinikhodi ye-ResetL kuze kube imojuli isebenza ngokugcwele2 LPMode Assert Time ton_LPMode 100 μs Isikhathi kusukela ekugomeleni kwe-LPMode (Vin:LPMode =Vih) kuze kube yilapho ukusetshenziswa kwamandla emojuli kungena emazingeni aphansi e-IntL Assert Time ton_IntL 200 ms Isikhathi kusukela ekuveleni kwesimo kuze kube yi-IntL I-Vout:IntL = Isikhathi se-Vout IntL Deassert toff_IntL 500 μs toff_IntL 500 μs Isikhathi kusukela ekucaceni kokusebenza kokufunda3 kwefulegi elihlobene kuze kube i-Vout:IntL = Voh. Lokhu kuhlanganisa izikhathi zamadesethi ze-Rx LOS, Tx Fault nezinye izingcezu zefulegi. I-Rx LOS Assert Isikhathi ton_los 100 ms Isikhathi sisuka ku-Rx LOS kuya ku-Rx LOS isethi futhi i-IntL igomela Isikhathi Sokugunyaza ton_flag 200 ms Isikhathi kusukela ekuveleni kwesimo esibangela ifulegi ukuya ekusethweni kwefulegi lefulegi elihlobene futhi i-IntL igomele ngokuthi I-Mask Assert Time ton_mask 100 ms Isikhathi ukusuka kumaski bit set4 kuze kube yilapho ukugomela kwe-IntL kuvinjelwe Imaski De-assert Isikhathi toff_mask 100 ms Isikhathi kusuka kubhithi yemaski kusuliwe4 kuze kube umsebenzi ohlobene we-IntlL uqalisa kabusha i-ModSelL Assert Time ton_ModSelL 100 μs Isikhathi kusukela ekugomeleni kwe-ModSel kuze kube imojula iphendula ekudlulisweni kwedatha ngebhasi eyi-serial ye-2-wire ModSelL Deassert Time μMod0 Timels_Mod0 Timels kwe I-ModSelL kuze kube yilapho imojuli ingaphenduli ekudluliselweni kwedatha ngebhasi elinezintambo ezi-2 Power_over-ride nomaAmandla-set Assert Time ton_Pdown 100 ms Isikhathi sisuka ku-P_Down bit set 4 kuze kube yilapho ukusetshenziswa kwamandla emojula kungena Izinga Lamandla eliphansi Power_over-ride noma Power-set De -assert Isikhathi toff_Pdown 300 ms Isikhathi kusuka ku-P_Down bit cleared4 kuze kube yilapho imojuli isisebenza ngokugcwele3 Qaphela: 1. Ukukhanya kwamandla kuchazwa njengokuphazima kweso lapho ama-voltage okunikezwayo efika futhi ahlale engaphezulu noma ngaphezu kwenani elincane elishiwo. 2. Ukusebenza ngokugcwele kuchazwa ngokuthi i-IntL igomela ngenxa yedatha engakalungi kancane, i-bit 0 byte 2 de-asserted. 3. Kukalwa kusuka onqenqemeni lwewashi eliwayo ngemva kokuma kokusebenza okufundiwe. 4. Kukalwa kusuka onqenqemeni lwewashi eliwayo ngemuva kokuma kokubhala okwenziwe. • Umdwebo Webhulokhi Ye-Transceiver • Umdwebo Wephinikhodi Womsebenzi Webhodi Lokusingatha Izinombolo Zephinikhodi Yebhulokhi kanye ne-Nam • Incazelo Yephinikhodi I-Pin Logic Symbol Name/Incazelo Ref. 1 GND Ground 1 2 CML-I Tx2n Transmitter Inverted Data Input 3 CML-I Tx2p Transmitter Non-Inverted Data Okukhiphayo 4 GND Ground 1 5 CML-I Tx4n Transmitter Inverted Data Output 6 CML-I Tx4p Transmitter Non-Inverted GND Idatha Indawo 1 8 LVTTL-I Imojula ye-ModSelL Khetha 9 I-LVTTL-I Setha Kabusha Imojuli ye-10 VccRx +3.3V Isamukeli Sokunikezwa kwamandla 2 11 LVCMOS-I/O SCL 2-Wire Serial Interface Clock 12 LVCMOS-I/O SDA 2-Wire Serial Interface Data 13 GND14 Ground 1 I-CML-O Rx3p Receiver Inverted Data Output 15 CML-O Rx3n Isamukeli Okukhiphayo Kwedatha Engaguquki 16 GND Ground 1 17 CML-O Rx1p Isamukeli Esihlanekezelwe Okukhiphayo Kwedatha 18 CML-O Rx1n Isamukeli Okukhiphayo Kwedatha Engaguquki 19 GND Ground 1 1 20 GND 20 GND Inverted CML Receiver. Idatha Okukhiphayo 22 CML-O Rx2p Isamukeli Okukhiphayo Kwedatha Engaguquliwe 23 GND Ground 1 24 CML-O Rx4n Isamukeli Okukhiphayo Kwedatha Ehlanekezelwe 25 CML-O Rx4p Isamukeli Okukhiphayo Idatha Engaguquki 26 GND Ground 1 TL-27 Moddule LVT 1 TL-8PPS LVT I-LVTTL-O IntL Phakamisa i-29 VccTx +3.3V Power Supply Transmitter 2 30 Vcc1 +3.3V Power Supply 2 31 LVTTL-I LPMode Low Power Mode 32 GND Ground 1 33 CML-I Tx3p Transmitter Inverted Data Transmitter3 CnItter3 Okukhiphayo kwedatha ye-Cnl-Itter3 -Idatha Eguquliwe Okukhiphayo 35 GND Ground 1 36 CML-I Tx1p Transmitter Inverted Data Output 37 CML-I Tx1n Transmitter Non-Inverted Data Output 38 GND Ground 1 Amanothi: I-GND iwuphawu lwe-single kanye nokunikezela(amandla) okujwayelekile kumamojula we-QSFP28, Konke kujwayelekile ngaphakathi kwemojula ye-QSFP28 kanye nawo wonke ama-module voltages kubhekiselwa kulokhu okungenzeka kuphawulwe ngenye indlela. Xhuma lezi ngokuqondile endizeni yaphansi yesignali yebhodi lomsingathi. Okukhipha i-laser kukhutshaziwe ku-TDIS >2.0V noma kuvuliwe, kunikwe amandla ku-TDIS