Likarolo ◊ Khokahano ea motlakase e lumellana le SFF-8431 ◊ 850nm VCSEL laser le PIN photo-detector ◊ Bolelele ba sehokelo bo boholo ba 70m ho OM3 MMF le 100m ho OM4 MMF ◊ Digital diagnostics function li fumaneha ka I2C interface ◊ Operating case:0 ° Operating case: C ho isa +70 °C ◊ + 3.3V phepelo ea motlakase e le 'ngoe ◊ Tšebeliso ea matla e ka tlase ho 1W ◊ RoHS e lumellana ◊ Tšireletso ea password bakeng sa A0h le A2h Applications ◊ 25GBASE-SR Ethernet ◊ Li-server, li-switch, polokelo le li-adapter tsa karete ea moamoheli Tlhaloso ea Absolute Maximum Ratings Table1- Absolute Maximum Ratings . Tloaelehileng Max. Unit Notes Supply Voltage Vcc3 -0.5 - +3.6 V Storage Mocheso Ts -10 - +70 °C Operating Humidity RH +5 - +85 % 1 Tlhokomeliso: 1 Ha ho condensation Recommended Operating Conditions Parameter Symbol Min. Tloaelehileng Max. Unit Notes Operating Case Temperature TC 0 - +70 °C Power Supply Voltage Vcc 3.14 3.3 3.47 V Power Supply Current Icc - - 300 mA Power Dissipation Pd - - 1.0 W Bit Rate BR 8.5 25.78125 Fiber - Gbps 3.78125 - Gbps Fiber - Gbps 3. Lethathamo 2- Maemo a sebetsang a khothalelitsoeng Litšobotsi tsa Motlakase Lethathamo la 3- Litšobotsi tsa Motlakase Parameter Symbol Min. Tlanya. Max. Units Notes Transmitter Differential Data Input Swing Vin,PP 200 - 1600 mVPP Input Differential Impedance ZIN 90 100 110 Ω Tx_Fault Normal Operation VOL 0 - 0.8 V Transmitter Fault VOH 2.0 - VCCable V 8 VT Operation Normal 0 Laser Thibela VIH 2.0 - VCC+0.3 V Phapang ea Moamoheli Letsatsi la Phapang Vout 400 - 800 mV Output Differential Impedance ZD 90 100 110 Ω Rx_LOS Ts'ebetso e Tloaelehileng VOL 0 - 0.8 V Lose Signal VoH 4 Opstical Opstical - VCC-Optical Opstical 2.0. Characteristics Parameter Symbol Unit Min Typ Max Notes Optical transmitter Characteristics Bit Rate BR Gbps 8.5 25.78125 - Center Wavelength Range λc nm 820 850 880 Karolelano ea Launch powerTx_off Poff dBm - Optical 1 6 Ppunch - 25 Power Optical 60. 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 4 -Optical Inpuight dBm 3. 2.4 - - 2 Center Wavelength Range λc nm 820 - 880 Receiver Sensitivity inAverage Power Sen dBm - - -5.2 3 Los Assert LosA dBm -30 - - Los De-Assert LosD dBm - - -13 Los up5 Hystere 50/125 MMF. E lekantsoe ka mokhoa oa teko oa PRBS 231-1 @25.78125Gbps.BER=E-12 3. BER=1x10-12; PRBS231-1@25.78125Gbps. Recommended Host Board Power Supply Circuit Figure 1, Recommended Host Board Power Supply Circuit Recommended Interface Circuit Figure 2, Recommended Interface Circuit Pin arrangement Figure 3, Pin View Table 5-Pin Function Definitions Pin Symbol Name/Description 2 Module Notes TX_FAULT Module Transmitter Fault 2 3 TX_DISABLE Transmitter Disable; E tima transmitter laser output 3 4 SDA 2-Wire Serial Interface Data Line (MOD-DEF2) 5 SCL 2-Wire Serial Interface Clock (MOD-DEF1) 6 MOD_ABS Module Ha e eo, e amanang le VEET kapa VEER mojulung oa 2 7 RS0 Rate Khetha 0, ka boikhethelo e laola SFP + moamoheli oa module 4 8 RX_LOS Tahlehelo ea Moamoheli ea Pontšo ea Pontšo (Ho FC e khethiloeng e le Rx_LOS le ho Ethernet e khethiloeng e le NOT Signal Detect) 2 9 RS1 Rate Khetha 1, ka boikhethelo e laola SFP + module transmitter 4 10 VEER Module Receiver Ground 1 11 VEER Module Receiver Ground 1 12 RDverted Data Output In 13 RD + Moamoheli Phatlalatso e sa Hlakoeng ea 14 VEER Module Receiver Ground 1 15 VCCR Module Receiver 3.3 V Supply 16 VCCT Module Transmitter 3.3 V Supply 17 VEET Module Transmitter Ground 1 18 TD + Transmitter Non-Inverted Inputter 29 Data Inputter Inputter 29 VEET Module Transmitter Ground 1 Tlhokomeliso: Lithakhisa tsa mobu oa module li arohane le mokotla oa module. Lithakhisa li tla huleloa ka 4.7K-10Kohms ho motlakase o pakeng tsa 3.14V le 3.46V ho board board. Pini e huleloa ho VCCT ka 4.7K-10KΩ resistor moduleng. Sheba SFF-8472 Rev12.2 Lethathamo la 10-2. Tlhaloso ea Tlhokomelo Setšoantšo sa 4, Memory Map Mechanical Design Diagram Tafole ea 5- Cable Length Cable Length L (Unit: m） Tolerant (Unit: cm) ≤1.0 +5/-0 1.0＜L≤4.5 +4≤4.5 ≤4.5 +15/-0) 14.5 +30/-0 ＞14.5 +2%/-0 Litemoso Ho Tšoara Litlhokomelo: Sesebelisoa sena se ka senyeha habonolo ka lebaka la electrostatic discharge (ESD). Tikoloho e se nang botsitso e khothaletsoa haholo. Latela litataiso ho latela mekhoa e nepahetseng ea ESD. Tšireletseho ea Laser: Mahlaseli a hlahisoang ke lisebelisoa tsa laser a ka ba kotsi mahlong a batho. Qoba ho pepesehela mahlaseli a kotsi ka kotloloho kapa a sa tobang.

Likarolo: ◊ 4 lane MUX/DEMUX moralo ◊ E Kopantsoeng CWDM TOSA / ROSA ho fihla ho 10 km e fihla ho feta SMF ◊ Tšehetsa 100GBASE-CWDM4 bakeng sa sekhahla sa mohala oa 103.125Gbps le OTU4 bakeng sa sekhahla sa 111.81Gbps ◊Gbps ◊Gbps ◊ Lihokelo tsa Duplex LC ◊ E lumellana le IEEE 802.3-2012 Clause 88 standard IEEE 802.3bm CAUI-4 chip to module standard ea motlakase ITU-T G.959.1-2012-02 standard · ◊ Single +3.3V dijithale Buil e sebetsang ◊ mesebetsi ◊ Mefuta e fapaneng ea mocheso 0°C ho isa ho 70 ° C ◊ RoHS Compliant Part Applications: ◊ Local Area Network (LAN) ◊ Wide Area Network (WAN) ◊ Ethernet switches le router applications Tlhaloso: JHAQ28C10C ke transceiver module e etselitsoeng 10km lisebelisoa tsa puisano tsa optical. Moralo o lumellana le 100GbASE-LR4 ea IEEE 802.3-2012 Clause 88 standard IEEE 802.3bm CAUI-4 chip to module standard standard ITU-T G.959.1-2012-02 . Mojule o fetola liteishene tsa 4 tse kenang (ch) tsa 25.78 Gbps ho data ea 27.95Gbps ea motlakase ho 4 lanes optical signals, 'me e li atisa ho ba mocha o le mong bakeng sa 100Gb / s optical transmission. Ka lehlakoreng le leng, ka lehlakoreng la moamoheli, module optically de-multiplexes ho kenya 100Gb / s ho matšoao a litsela tsa 4, 'me e li fetolela ho 4 lane output data ea motlakase. Bohareng ba maqhubu a litsela tse 4 ke 1270 nm, 1290 nm, 1310 nm le 1330 nm. E na le sehokelo sa duplex LC bakeng sa sebopeho sa optical le sehokelo sa 38-pin bakeng sa sebopeho sa motlakase. Ho fokotsa ho hasana ha optical tsamaisong ea nako e telele, fiber ea mofuta o le mong (SMF) e tlameha ho sebelisoa mojuleng ona. Sehlahisoa se entsoe ka sebopeho sa sebopeho, khokahano ea optical / motlakase le sebopeho sa tlhahlobo ea dijithale ho latela Tumellano ea Multi-Source ea QSFP28 (MSA). E etselitsoe ho kopana le maemo a thata ka ho fetisisa a ts'ebetso ea kantle ho kenyelletsa mocheso, mongobo le tšitiso ea EMI. Mojule o sebetsa ho tloha ho matla a le mong + 3.3V le lipontšo tsa taolo ea lefats'e ea LVCMOS / LVTTL tse kang Module Present, Reset, Interrupt le Low Power Mode li fumaneha ka li-module. Khokahano ea serial ea 2-wire e fumaneha ho romella le ho amohela matšoao a thata a taolo le ho fumana tlhaiso-leseling ea tlhahlobo ea dijithale. Liteishene ka bomong li ka rarolloa 'me likanale tse sa sebelisoeng li ka koaloa bakeng sa ho feto-fetoha ho hoholo ha moralo. JHAQ28C10C e entsoe ka sebopeho sa sebopeho, khokahano ea optical/electric le interface ea tlhahlobo ea dijithale ho latela Tumellano ea Multi-Source (MSA) ea QSFP28. E etselitsoe ho kopana le maemo a thata ka ho fetisisa a ts'ebetso ea kantle ho kenyelletsa mocheso, mongobo le tšitiso ea EMI. Mojule o fana ka ts'ebetso e phahameng haholo le kopanyo ea likarolo, e fumanehang ka sebopeho sa serial sa terata tse peli. • Absolute Maximum Ratings Parameter Symbol Min. Tloaelehileng Max. Unit Storage Mocheso TS -40 +85 °C Supply Voltage VCCT, R -0.5 4 V Relative Humidity RH 0 85 % • Tikoloho e Khothalletsoang ea Ts'ebetso: Parameter Symbol Min. Tloaelehileng Max. Unit Case e sebetsang Mocheso 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 • Litšobotsi tsa Motlakase (TOP = 0 ho 70 °C, VCC3 7 ho 3. Parametha Letšoao la Min Type Max Unit Note Data Rate per Channel - 25.78125 Gbps 27.9525 Power Consumption - 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 0.7 Skew TSK Inter-Channel Ps RESETL Duration 10 Us RESETL De-assert nako 100 ms Power On Time 100 ms Transmitter Single End Output Voltage Tolerance 0.3 Vcc V 1 Mokhoa o tloaelehileng Tolerance ea Voltage 15 mV Transmit Input Diff Voltage VI 150 1200 mV Transmit Input Diff 8 Input 1515 Data Impedance 1515 0 Data Impedance DDJ 0.3 UI Receiver e le 'Ngoe ea Phello ea Matla a Matla a Matla 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 UI Note 0.3 ～ 0.3 UIPtical = 0.3 UIPtical = 0.3 UIPtical 0 ho 70 °C, VCC = 3.0 ho 3.6 Volts) Parameter Symbol Min Typ Max Unit Ref. Transmitter Wavelength Kabelo L0 1264.5 1271 1277.5 nm L1 1284.5 1291 1297.5 nm L2 1304.5 1311 1317.5 nm L3 1324.5 1331 1331 1331 1335 1335 1335 1335 1335 1335 1335 1335 1335 1335 1335 1335 1335 1335 1335 1335 1335 1335 1335 1335 1335:) 30 - - dB Total Average Launch Power PT -6 - 6.5 dBm Average Launch Power, each Lane -6 - 2.5 dBm Phapang ho Launch Power between any two Lanes (OMA) - - 3.5 dB TDP, each Lane TDP 2.2 dB Extinction Ratio ER Ratio 4 - - dB Transmitter Eye Mask Tlhaloso {X1, X2, X3, Y1, Y2, Y3} {0.25, 0.4, 0.45, 0.25, 0.28, 0.4} Optical Return Loss Tolerance - - 20 dB Kakaretso ea Launch Power OFF Transmitter, Lane Poff e 'ngoe le e 'ngoe -30 Intens Noise RentBm -128 dB/HZ 1 Optical Return Loss Tolerance - - 12 dB Receiver Damage Threshold THd 3.3 dBm 1 Karolelano ea Matla ho Receiver Input, e 'ngoe le e 'ngoe Lane R -13.0 0 dBm RSSI Ho nepahala -2 2 dB Receiver Reflectance RdB -2iver Reflectance RdB -2i e 'ngoe le e 'ngoe - 3.5 dBm LOS De-Assert LOSD -15 dBm LOS Assert LOSA -25 dBm LOS Hysteresis LOSH 0.5 dB Tlhokomeliso 12dB Reflection • Diagnostic Monitoring Interface Ts'ebetso ea ho hlahloba tlhahlobo ea Digital e fumaneha ho tsohle QSFP28 LR4. Sesebelisoa sa serial sa 2-wire se fana ka mosebelisi ho ikopanya le mojule. Sebopeho sa mohopolo se bontšoa ka ho phalla. Sebaka sa mohopolo se hlophisitsoe ka tlase, leqephe le le leng, sebaka sa aterese sa li-byte tse 128 le maqephe a mangata a holimo a aterese. Sebopeho sena se lumella ho fihlella ka nako liaterese tse leqepheng le ka tlaase, tse kang Interrupt Flags and Monitors. Kenyelletso ea nako e fokolang ea nako, joalo ka tlhaiso-leseling ea serial ID le litlhophiso tsa threshold, lia fumaneha ka tšebetso ea Leqephe la Khetha. Aterese ea sehokelo e sebelisitsoeng ke A0xh mme e sebelisoa haholo bakeng sa data ea bohlokoa ea nako joalo ka ho ts'oaroa ha nako e le ho etsa hore ho baloe hanngoe bakeng sa data eohle e amanang le boemo ba tšitiso. Kamora tšitiso, ho netefalitsoe IntL, moamoheli a ka bala lebala la folakha ho tseba mocha le mofuta oa folakha. Page02 ke User EEPROM mme sebopeho sa eona se khethoa ke mosebelisi. Tlhaloso e qaqileng ea memori e tlase le page00.page03 mohopolo o ka holimo ka kopo, bona tokomane ea SFF-8436. • Nako ea Soft Control le Status Functions Parameter Symbol Max Unit Conditions Initialization Time t_init 2000 ms Nako ho tloha ho motlakase ho1, hot plug kapa ho phahama ha Reset ho fihlela mojule o sebetsa ka botlalo2 Reset Init Assert Time t_reset_init 2 μs A Reset e hlahisoa ke ho fokotseha. boemo ba nako e telele ho feta bonyane ba nako ea ho letsa ha molumo o teng ho ResetL pin. Serial Bus Hardware Ready Time t_serial 2000 ms Nako ho tloha power on1 ho fihlela module e araba phetiso ea data holim'a 2-wire serial bus Monitor Data ReadyTime t_data 2000 ms Nako ho tloha power on1 ho data ha e so lokisoe, bit 0 of Byte 2, deassted and IntL asserted Seta bocha Nako ea Assert t_reset 2000 ms Nako ho tloha pheletsong e holimo ho ResetL pin ho fihlela mojule o sebetsa ka botlalo2 LPMode Assert Time ton_LPMode 100 μs Nako ho tloha ho tiisetso ea LPMode (Vin:LPMode =Vih) ho fihlela motlakase oa motlakase o kena ka tlaase ho Power Level IntL Assert Time ton_IntL 200 ms Nako ho tloha ha boemo bo hlaha ho fihlela IntL Vout:IntL = Vol IntL Deassert Nako toff_IntL 500 μs toff_IntL 500 μs Nako ho tloha ka ho hlakileng ho bala3 ts'ebetso ea folakha e amanang le eona ho fihlela Vout:IntL = Voh. Sena se kenyelletsa linako tsa sejo sa Rx LOS, Tx Fault le likotoana tse ling tsa folakha. Rx LOS Assert Nako ton_los 100 ms Nako ho tloha ho Rx LOS state ho ea ho Rx LOS bit set le IntL asserted Flag Assert Time ton_flag 200 ms Nako ho tloha ha boemo bo hlahisa folakha ho isa ho sete ea folakha e amanang le IntL e tiisitse Mask Assert Nako ton_mask 100 ms Nako ho tloha maske bit set4 ho fihlela polelo e amanang le IntL e koetsoe Mask De-assert Nako toff_mask 100 ms Nako ho tloha mask bit clear4 ho fihlela ts'ebetso e amanang le IntlL e qalella ModSelL Assert Time ton_ModSelL 100 μs Nako ho tloha ho tiisetso ea ModSelL ho fihlela mojule o arabela phetiso ea data holim'a 2-wire serial bus ModSelL Deassert Time toff_Mod0 Time toff_Mod0 Time toff. ea ModSelL ho fihlela mojule o sa arabe phetiso ya data ho feta 2-wire serial bus Power_over-ride orPower-set Assert Time ton_Pdown 100 ms Nako ho tloha P_Down bit set 4 ho fihlela mojule tshebediso ya motlakase e kena tlase Power Level Power_over-ride kapa Power-set De. -assert Nako toff_Pdown 300 ms Nako ho tloha P_Down bit cleared4 ho fihlela module e sebetsa ka botlalo3 Hlokomela: 1. Power on e hlalosoa e le hang hang ha li-voltage tsa phepelo li fihla 'me li lula li le ho kapa ho feta boleng bo boletsoeng. 2. Ho sebetsa ka botlalo ho hlalosoa e le IntL e tiisitsoeng ka lebaka la data e seng e lokisitsoe, bit 0 byte 2 de-asserted. 3. E lekantsoe ho tloha pheletsong ea oache e oelang kamora ho emisa hanyane ea transaction. 4. E lekantsoe ho tloha pheletsong ea oache e oelang kamora ho emisa hanyane ea transaction. • Sets'oants'o sa Thibelo ea Transceiver • Sets'oants'o sa Kabelo sa Pin sa Nomoro ea Thibelo ea Sehokelo sa Boto ea Baamoheli le Nam • Tlhaloso ea Pin Logic Letshwao la Lebitso/Tlhaloso 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 7 Data Sebaka sa 18 LVTTL-I ModSelL Module Select 9 LVTTL-I ResetL Module Reset 10 VccRx +3.3V Power Supply Receiver 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 CML-O Rx3p Moamoheli oa Phatlalatso ea Inverted Data Output 15 CML-O Rx3n Receiver Sephetho se sa Keneng 16 GND Ground 1 17 CML-O Rx1p Receiver Inverted Data Output 18 CML-O Rx1n Receiver Non-Inverted Data Output 19 GND Ground 1 20 GND Inverted CML Receiver CML Lintlha Sehlahisoa 22 CML-O Rx2p Moamoheli Sephetho sa data se sa Keneng 23 GND Ground 1 24 CML-O Rx4n Receiver Inverted Data Output 25 CML-O Rx4p Receiver Sehlahisoa sa Lintlha tse sa Keneng 26 GND Ground 1 TL-8 PredP LVT 1 TL-8 Modul LVT LVTTL-O IntL Interrupt 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 Output3x300 CMLnItter3x Output T3x -Data e Inverted Output 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 Lintlha: GND ke letšoao bakeng sa single le phepelo(matla) a tloaelehileng bakeng sa modules QSFP28, Tsohle li tloaelehile ka har'a mojule oa QSFP28 le li-voltages tsohle tsa module li boletsoe ho bokhoni bona bo boletsoeng ka tsela e 'ngoe. Hokela tsena ka ho toba ho moamoheli boto letšoao common fatše sefofane. Sehlahisoa sa Laser se koetsoe ho TDIS >2.0V kapa se butsoe, se lumelletsoe ho TDIS