Iimpawu ◊ Ujongano loMbane luhambelana ne-SFF-8431 ◊ 850nm VCSEL laser kunye ne-PIN photo-detector ◊ Ubude bekhonkco obuphezulu be-70m kwi-OM3 MMF kunye ne-100m kwi-OM4 MMF ◊ Imisebenzi yokuxilongwa kweDijithali iyafumaneka nge-I2C interface yojongano ◊ Imeko yokusebenzelana C ukuya +70 °C ◊ +3.3V unikezelo lwamandla olunye ◊ Ukusetyenziswa kwamandla ngaphantsi kwe-1W ◊ RoHS iyahambelana ◊ Ukhuseleko lwePassword ye-A0h kunye ne-A2h Applications ◊ 25GBASE-SR Ethernet ◊ Iiseva, iiswitshi, ukugcinwa kunye neeadaptha zekhadi lomkhosi Ukucaciswa koBuninzi obuBonelekileyo bokuKhawulwa kweTheyibhile1-Absolute Maximum Ratings Parameters . Ubukhulu obuqhelekileyo. Amanqaku eyunithi Ubonelelo lweVoltage Vcc3 -0.5 - +3.6 V Ubushushu boGcino Ts -10 - +70 °C Ukufuma okuSebenzayo RH +5 - +85 % 1 Qaphela: 1 Akukho condensation eCetyisiweyo IiMeko zokuSebenza iParameter Uphawu Min. Ubukhulu obuqhelekileyo. Amanqaku eyunithi yokuSebenza kweCase lobushushu TC 0 - +70 °C Unikezelo lwaMandla ombane iVoltage Vcc 3.14 3.3 3.47 V Ubonelelo lwaMandla lwangoku Icc - - 300 mA Power Dissipation Pd - - 1.0 W Inqanaba leBit BR 8.5 25.78125 Fiber - Gbps Rh Uluhlu 2- Iimeko zokusebenza ezicetyiswayo IiMpawu zoMbane Itheyibhile 3- Iimpawu zoMbane iParameter Symbol Min. Isichwethezo. Max. Iiyunithi zamanqaku Transmitter Differential Data Input Swing Vin,PP 200 - 1600 mVPP Input Differential Impedance ZIN 90 100 110 Ω Tx_Fault Ukusebenza okuqhelekileyo VOL 0 - 0.8 V Transmitter Fault VOH 2.0. Khubaza i-VIH 2.0 - VCC+0.3 V Umamkeli oPhakamileyo Umhla we-Receiver I-Vout 400 - 800 mV Imveliso eyahlukileyo ye-Impedance ZD 90 100 110 Ω Rx_LOS Ukusebenza okuqhelekileyo VOL 0 - 0.8 V Lose Signal VoH 4 Opstical Table-Optical - VCC-Optical Table. Iimpawu Iyunithi yeSimboli yeempawu zeParameter Min Typ Max Notes Isidluliseli esibonakalayo Iimpawu zeBit Rate BR Gbps 8.5 25.78125 - Uluhlu lweWavelength yeZiko λc nm 820 850 880 I-Avareji yokuQalisa amandlaTx_off Poff dBm - I-Optical 10 i-Optical 2m 40. I-Extinction Ratio ER dB 2 - - Spectral Width(RMS) RMS nm - - 0.65 Optical Receiver Characteristics Bit Rate Bit Rate BR Gbps 8.5 25.78125 I-Bit Error Rate BER - - E-12 Damage threshold DT 4-Bt PIN Inload. 2.4 - - 2 Uluhlu lweWavelength lweziko λc nm 820 - 880 iReceiver Sensitivity in Avarage Power Sen dBm - -5.2 3 Los Assert LosA dBm -30 - - Los De-Assert LosD dBm - - -13 Los LosHstered 5 Hysteres 50/125 MMF. Ilinganiswe nge-PRBS 231-1 iphethini yokuvavanya @25.78125Gbps.BER=E-12 3. BER=1x10-12; PRBS231-1@25.78125Gbps. Umzobo oCetyisiweyo weBhodi yoBonelelo ngoMbane weSekethe yeSekethe yoku-1, iSindululo seBhodi yokuNikezela ngoMbane yeSekethe eCetyisiweyo yoMsebenzi weSekethe yeSekethe yeSibonelelo 2, iSibonelelo esicetyiswayo se-Interface Circuit Pin ilungiselelo Umfanekiso 3, iPin View Table 5-Pin Function Definitions Pin Symbol Symbol 1 Translator Names I-TX_FAULT iFault yeModyuli yoThunyelo lweModyuli 2 3 TX_DISABLE iTransmitter Khubaza; Icima imveliso ye-laser transmitter 3 4 SDA 2-Wire Interface Data Line Line (MOD-DEF2) 5 SCL 2-Wire Serial Interface Clock (MOD-DEF1) 6 MOD_ABS Imodyuli engekho, eqhagamshelwe kwiVEET okanye VEER kwimodyuli 2 7 RS0 Rate Khetha i-0, ngokukhetha ulawula i-SFP+ umamkeli wemodyuli 4 8 ​​RX_LOS Ilahleko yoMamkeli yeSibonakaliso soMqondiso (Kwi-FC echongiweyo njenge-Rx_LOS kunye ne-Ethernet echongiweyo njenge- NOT Signal Detect) 2 9 RS1 Rate Khetha i-1, ilawula ngokuzikhethela i-SFP + imodyuli yokudlulisa imodyuli 4 10 VEER Imodyuli yoKwamkeli uMgangatho 1 11 VEER iModyuli yoMfumani uMgangatho 1 12 Isiphumo se-RD-Receiver 13 i-RD + Receiver Imveliso yeDatha engaguqukiyo 14 VEER iModyuli yoMfumani weModyuli 1 15 i-VCCR iModyuli yokufumana iModyuli 3.3 V Ukubonelela nge-16 VCCT Module Transmitter 3.3 V Unikezelo 17 VEET Module Transmitter Ground 1 18 TD + Transmitter Non-Inverted Inverted 1 Data Inverted Inverted 1 Data Inverted Inverted I-VEET Module Transmitter Ground 1 Qaphela: Izikhonkwane zomhlaba wemodyuli zodwa kwimeko yemodyuli. Izikhonkwane ziya kutsalwa phezulu nge-4.7K-10Kohms ukuya kumbane ophakathi kwe-3.14V kunye ne-3.46V kwibhodi yokusingatha. I-pin itsalwa ukuya kwi-VCCT kunye ne-4.7K-10KΩ resistor kwimodyuli. Jonga i-SFF-8472 Rev12.2 Itheyibhile 10-2. Umzobo wokuJonga umzobo we-4, iMemori yeMeko yoYilo loMzobo weTheyibhile 5- Ubude beCable yoBubude beCable L (Iyunithi: m) Iyanyamezela (Iyunithi: cm) ≤1.0 +5/-0 1.0＜L≤4.5 +4.5≤4.5 +15/-0） 14.5 +30/-0 ＞14.5 +2%/-0 Izilumkiso zokuphatha: Esi sixhobo sisesichengeni sokonakala ngenxa yokuphuma kwe-electrostatic discharge (ESD). Indawo engatshintshiyo ekhululekileyo iyacetyiswa kakhulu. Landela izikhokelo ngokweenkqubo ezifanelekileyo ze-ESD. Ukhuseleko lweLaser: Imitha ekhutshwa zizixhobo zelaser inokuba yingozi emehlweni abantu. Kuphephe ukuvezwa kwamehlo kwimitha ethe ngqo okanye engathanga ngqo.

Iimpawu: ◊ I-4 imizila ye-MUX / DEMUX yoyilo ◊ I-CWDM edibeneyo ye-TOSA / ROSA ukuya kwi-10 km ifikelela kwi-SMF ◊ Inkxaso ye-100GBASE-CWDM4 yezinga lomgca we-103.125Gbps kunye ne-OTU4 yezinga lomgca we-111.81Gbps ◊Gbps 0Gbps ◊ Gbps ◊ Iziqhagamshelo ze-Duplex LC ◊ Iyahambelana ne-IEEE 802.3-2012 Igatya 88 eliqhelekileyo le-IEEE 802.3bm CAUI-4 chip ukuya kwimodyuli yomgangatho wombane we-ITU-T G.959.1-2012-02 umgangatho · ◊ Eyodwa +3.3V yobonelelo lombane lwedijithali olusebenzayo ◊ imisebenzi ◊ Uluhlu lobushushu 0°C ukuya kwi-70 ° C ◊ i-RoHS Compliant Part Applications: ◊ Local Area Network (LAN) ◊ I-Wide Area Network (WAN) ◊ iiswitshi ze-Ethernet kunye nezicelo ze-router Inkcazo: I-JHAQ28C10C yimodyuli ye-transceiver eyenzelwe i-10km izicelo zonxibelelwano optical. Uyilo luhambelana ne-100GbASE-LR4 ye-IEEE 802.3-2012 Igatya le-88 eliqhelekileyo le-IEEE 802.3bm CAUI-4 chip kwimodyuli yomgangatho wombane we-ITU-T G.959.1-2012-02 umgangatho. Imodyuli iguqula iziteshi ze-4 ze-inputs (ch) ze-25.78 Gbps kwi-27.95Gbps idatha yombane kwii-4 imizila ye-optical signals, kwaye i-multiplexes ibe yitshaneli enye ye-100Gb / s yokuhanjiswa kwe-optical. Umva, kwicala lokufumana, imodyuli i-optically de-multiplexes i-100Gb / s igalelo kwiimpawu zemizila ye-4, kwaye iguqulela kwiindlela ze-4 zokuvelisa idatha yombane. Ubude obuphakathi bemizila ye-4 yi-1270 nm, 1290 nm, 1310 nm kunye ne-1330 nm. Iqulethe i-duplex LC ikhonkco ye-optical interface kunye ne-38-pin ikhonkco yokudibanisa kombane. Ukunciphisa i-optical dispersion kwi-long-haul system, i-fiber ye-mode eyodwa (SMF) kufuneka isetyenziswe kule modyuli. Imveliso yenzelwe ifom yefom, i-optical / electric connection kunye ne-digital diagnostic interface ngokwe-QSFP28 Multi-Source Agreement (MSA). Yenzelwe ukuhlangabezana nezona meko zinzima zokusebenza zangaphandle ezibandakanya ubushushu, ukufuma kunye nokuphazamiseka kwe-EMI. Imodyuli isebenza ukusuka kumbane omnye + 3.3V kunye ne-LVCMOS / LVTTL iimpawu zolawulo lwehlabathi jikelele ezifana neModyuli ekhoyo, ukusetha kwakhona, ukuphazamisa kunye neModi yamandla aphantsi akhoyo kunye neemodyuli. I-2-wire serial interface iyafumaneka ukuze ithumele kwaye ifumane imiqondiso yolawulo entsonkothileyo kunye nokufumana ulwazi lokuxilonga idijithali. Iitshaneli zomntu ngamnye zinokujongwa kwaye amajelo angasetyenziswanga angavalwa ukulungiselela ukuguquguquka okukhulu koyilo. I-JHAQ28C10C yenzelwe ifom yefom, i-optical / electric connection kunye ne-digital diagnostic interface ngokwe-QSFP28 Multi-Source Agreement (MSA). Yenzelwe ukuhlangabezana nezona meko zinzima zokusebenza zangaphandle ezibandakanya ubushushu, ukufuma kunye nokuphazamiseka kwe-EMI. Imodyuli inikezela ngokusebenza okuphezulu kakhulu kunye nokudityaniswa kweempawu, zifikeleleke nge-interface ye-serial ye-wire-wire. • IiReyithingi eziBalulekileyo zoPhawu lweSimboli uMz. Ubukhulu obuqhelekileyo. Ubushushu beYunithi yoGcino TS -40 +85 °C Unikezelo lweVoltage VCCT, R -0.5 4 V ukufuma okuNxulumene RH 0 85 % • Imeko eCetyisiweyo yokuSebenza: Uphawu lweParameter Min. Ubukhulu obuqhelekileyo. Unit Case yokusebenza Ubushushu TC 0 +70 °C Supply Voltage VCCT, R +3.13 3.3 +3.47 V Unikezelo lwangoku ICC 1100 1500 mA Power Dissipation PD 5 W • Iimpawu zoMbane (TOP = 0 ukuya 70 °C1, VCC 7 ukuya 3. Volts = 3. IParameter yeSimboli Min isiTyhipha esinguMax Iyunithi yeNqaku leNqaku leDatha ngeChaneli nganye - 25.78125 Gbps 27.9525 Ukusetyenziswa koMbane - 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 0.37 V Inter-Channel Skew TSK Ps RESETL Ubude bexesha 10 Us I-RESETL De-assert ixesha 100 ms Amandla Ngexesha 100 ms Transmitter I-Single End Output Ukunyamezela i-Voltage 0.3 Vcc V 1 Imowudi eqhelekileyo Ukunyamezela i-Voltage 15 mV Transmit Input Diff Voltage VI 150 1200 mV Transmit Input Diff Impedance 8 Input 1 Impedance 15 Impedance 1 iDatha I-DDJ 0.3 Isamkeli se-UI esiPheleleyo esiSinye soNyamezelo lweVoltage 0.3 4 V Rx Output Diff Voltage Vo 370 600 950 mV Rx Isiphumo sokuKhuphuka nokuwa kweVoltage Tr/Tf 35 ps 1 Iyonke iJitter TJ 0.3 I-Optical ye-UI 0.3 I-Optical mitha% 0. 0 kuye 70 °C, VCC = 3.0 ukuya 3.6 IiVolts) IParameter Isimboli seMin IsiTyhilelo seYunithi yeSiza. Transmitter Wavelength Isabelo 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 Iyonke iAvareji yokuQalisa uMmandla we-PT -6 - 6.5 dBm uMyinge woMbane wokuQalisa uMbane, iNdlela nganye -6 - 2.5 dBm Umahluko kuMbane wokuQalisa phakathi kwazo naziphi na iiNdlela ezimbini (OMA) - 3.5 dB TDP, iNdlela nganye yeTDP 2.2 dB Extinction Ratio 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, Lane Poff nganye -30 Intens Noise RentBm -128 dB/HZ I-1 ye-Optical Return Loss Tolerance - - i-12 dB i-Receiver Damage Threshold THd 3.3 dBm 1 i-Avareji yamandla kwi-Receiver Input, nganye iNdlela R -13.0 0 dBm RSSI Ukuchaneka -2 2 dB Receiver Reflectance RdB -2iver nganye iLane RdB -2inye - 3.5 dBm LOS De-Assert LOSD -15 dBm LOS Assert LOSA -25 dBm LOS Hysteresis LOSH 0.5 dB Qaphela i-12dB Reflection • I-Diagnostic Monitoring Interface Umsebenzi wokuhlola ukuxilongwa kweDigital uyafumaneka kuzo zonke i-QSFP28 LR4. I-2-wire serial interface ibonelela umsebenzisi ukuba aqhagamshelane nemodyuli. Ubume bememori buboniswa ngokuhamba. Indawo yememori icwangciswe ngezantsi, iphepha elinye, indawo yedilesi ye-128 bytes kunye namaphepha amaninzi esithuba sedilesi ephezulu. Esi sakhiwo sivumela ukufikelela kwangethuba kwiidilesi ezikwiphepha elisezantsi, elifana neFlegi yokuphazamisa kunye neeMonitors. Ixesha elincinci lokungena kwexesha elibalulekileyo, elifana nolwazi lwe-ID ye-serial kunye noseto lwe-threshold, luyafumaneka kunye nomsebenzi wokuKhetha iPhepha. Idilesi ye-interface esetyenzisiweyo yi-A0xh kwaye isetyenziselwa ubukhulu becala idatha ebaluleke kakhulu njengokuphatha ukuphazamiseka ukwenzela ukuba kufundwe ixesha elilodwa kuyo yonke idatha enxulumene nemeko yokuphazamiseka. Emva kokuphazamiseka, i-IntL iqinisekisiwe, umamkeli unokufunda indawo yeflegi ukumisela itshaneli echaphazelekayo kunye nohlobo lweflegi. Iphepha02 nguMsebenzisi we-EEPROM kwaye ifomathi yayo igqitywe ngumsebenzisi. Inkcazo yeenkcukacha zememori ephantsi kunye nephepha00.page03 imemori ephezulu nceda ubone uxwebhu lwe-SFF-8436. • Ixesha lolawulo oluthambileyo kunye neMisebenzi yeSimo seParameter Uphawu lweYunithi yoMakhulu iMiqathango yokuQalisa Ixesha t_init 2000 ms Ixesha ukusuka kumbane kwi1, iplagi eshushu okanye ephumayo yokuSeta kwakhona ide imodyuli isebenze ngokupheleleyo2 Seta kwakhona Init Ixesha le-Assert t_reset_init 2 μs Ukuseta kwakhona kuveliswa ngokuphantsi. inqanaba elide kunelona xesha lincinci lokuseta kwakhona ipulse elikhoyo kwiResetL pin. Uthotho Bus Hardware Ready Ixesha t_serial 2000 ms Ixesha ukusuka kumandla kwi1 ide imodyuli iphendule kugqithiso lwedatha ngaphezulu kwe-2-wire yothotho ibhasi Monitor Data ReadyTime t_data 2000 ms Ixesha ukusuka kumandla kwi1 ukuya kwidatha ayilunganga, bit 0 ye-Byte 2, deassed kunye ne-IntL yaqinisekisa. Seta kwakhona Ixesha le-Assert t_reset 2000 ms Ixesha ukusuka kumda onyukayo kwi-ResetL pin de imodyuli isebenze ngokupheleleyo2 LPMode Assert Time ton_LPMode 100 μs Ixesha ukusuka ekuqinisekiseni kwe-LPMode (Vin:LPMode =Vih) de imodyuli yokusetyenziswa kwamandla ingene kwiNqanaba loMbane elisezantsi IntL Assert Ixesha ton_IntL 200 ms Ixesha ukusuka kwisenzeko semeko de imodyuli ibangele i-IntL I-Vout:IntL = Ixesha le-Vout IntL Deassert toff_IntL 500 μs toff_IntL 500 μs Ixesha ukusuka ecacileyo kwi read3 ukusebenza kweflegi enxulumene kude kube Vout:IntL = Voh. Oku kuquka amaxesha okutyiwa kwesidlo seRx LOS, Tx Fault kunye nezinye iibhithi zeflegi. Rx LOS Assert Ixesha ton_los 100 ms Ixesha ukusuka kwiRx LOS kwimo ukuya kwiRx LOS iseti yesuntswana kunye ne-IntL eqinisekisiweyo yeFlegi ye-Assert Ixesha ton_flag 200 ms Ixesha ukusuka kwisenzeko semeko exhokonxa iflegi ukuya kwiseti yeflegi ehambelanayo kunye ne-IntL yaqinisekisa iMask Assert Ixesha ton_mask 100 ms Ixesha ukusuka kwimaski i-bit set4 ide i-IntL ehambelana nayo ivalwe iMask De-assert Ixesha toff_mask 100 ms Ixesha elisuka kwimaski bit licociwe4 de umsebenzi ohambelana ne-IntlL uqalise kwakhona i-ModSelL Assert Ixesha ton_ModSelL 100 μs Ixesha ukusuka kuqinisekiso lwe-ModSelL ide imodyuli iphendule kugqithiso lwedatha kwi-2-wire serial ibhasi ModSelL Deassert Time toff_ModSel0 Time toff ye I-ModSelL ide imodyuli ingaphenduli kuthumelo lwedatha phezu kwe-2-wire serial bus Power_over-ride orPower-set Assert Time ton_Pdown 100 ms Ixesha ukusuka kwi-P_Down bit set 4 de imodyuli yokusetyenziswa kwamandla ingena kwiNqanaba loMbane eliphantsi Power_over-ride okanye Power-set De -assert Ixesha toff_Pdown 300 ms Ixesha ukusuka kwi-P_Down bit licinyiwe4 de imodyuli isebenze ngokupheleleyo3 Qaphela: 1. Umbane wokuvula uchazwa njengophanyazo xa umbane wonikezelo ufikelela kwaye uhlala ungaphezulu okanye ungaphezulu kwelona xabiso lincinci lichaziweyo. 2. Ukusebenza ngokupheleleyo kuchazwa njenge-IntL eqinisekisiweyo ngenxa yedatha engekakulungeli, bit 0 byte 2 de-asserted. 3. Ilinganiswe ukusuka kumphetho wewotshi ewayo emva kokumiswa kancinci kwentengiselwano yokufunda. 4. Ilinganiswe ukusuka kumphetho wewotshi ewayo emva kokumiswa kancinci kwentengiselwano. • Idayagram yeBhloko yeTransceiver • ISazobe sePin yeSabelo seBhodi yesiQondisi yeeNani zePin yeBhloko kunye neNam • IPin Inkcazo yePin Logic yeSimboli yeGama/Inkcazo Ref. 1 GND Ground 1 2 CML-I Tx2n Transmitter Inverted Data Input 3 CML-I Tx2p Transmitter Non-Inverted Data output 4 GND Ground 1 5 CML-I Tx4n Transmitter Inverted Data Output 6 CML-I Tx4p Transmitter Non-Inverted Data GND Umgangatho we-1 8 LVTTL-I Imodyuli ye-ModSelL Khetha i-9 LVTTL-I Ukuseta kwakhona iModyuli ye-10 VccRx +3.3V iSamkeli seSibonelelo soMbane 2 11 LVCMOS-I/O SCL 2-Wire uthotho lweClock yeClock 12 LVCMOS-I/O SDA 2-Wire uthotho lweDatha yesiNxulumaniso 13 GND14 Ground 1 I-CML-O Rx3p i-Receiver Inverted Data Output I-15 ye-CML-O i-Rx3n i-Receiver ye-Non-Inverted Data Output 16 GND Ground 1 17 CML-O Rx1p i-Receiver ye-Receiver ye-Inverted Data Output 18 CML-O Rx1n i-Receiver ye-Data engaguqukiyo 19 GND Ground Ground 1 1 20 GND Inverted CND-Inverted Idatha Imveliso ye-22 ye-CML-O i-Rx2p i-Receiver ye-Non-Inverted Data ye-23 GND Ground 1 24 i-CML-O Rx4n i-Receiver ye-Receiver ye-Inverted Data Output 25 CML-O Rx4p i-Receiver ye-Non-Inverted Data Output 26 GND Ground Ground 1 TL-27 LVT I-Module ye-27 ye-LVT I-LVTTL-O IntL iPhazamisa i-29 VccTx + 3.3V iSibonelelo soMbane 2 30 Vcc1 +3.3V Ubonelelo lwaMandla 2 31 LVTTL-I LPMode yeMowudi yaMandla aphantsi 32 GND Ground 1 33 CML-I Tx3p Transmitter Inverted Data Transmitter3 CML Transmitter30 Data Output3 -Inverted Data Imveliso 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 Amanqaku: GND luphawu olulodwa kunye nonikezelo (amandla) eqhelekileyo kwiimodyuli zeQSFP28, Zonke ziqhelekile ngaphakathi kwemodyuli ye-QSFP28 kunye nazo zonke ii-voltages zemodyuli zibhekiselele kule nto inokuthi iqatshelwe. Qhagamshela ezi ngqo kwibhodi yomkhosi umqondiso inqwelomoya eqhelekileyo emhlabeni. Imveliso yeLaser ivaliwe kwi-TDIS >2.0V okanye ivuliwe, yenziwe ukuba isebenze kwi-TDIS