I-DS90UB914ATRHSRQ1 Yoqobo Yoqobo Yomkhiqizo I-QFN DS90UB914ATRHSRQ1 Nomthengisi VUSELELA Izicelo Zokunikezwayo
Izimfanelo Zomkhiqizo
| UHLOBO | DESCRIPTION | KHETHA |
| Isigaba | Izifunda Ezihlanganisiwe (ICs) Isixhumi esibonakalayo Ama-serializers, ama-Deserializers |
|
| Mfr | Texas Instruments | |
| Uchungechunge | Ezezimoto, AEC-Q100 | |
| Iphakheji | I-Tape & Reel (TR) Cut Tape (CT) I-Digi-Reel® |
|
| Isimo somkhiqizo | Iyasebenza | |
| Umsebenzi | I-Deserializer | |
| Isilinganiso Sedatha | 1.4Gbps | |
| Uhlobo Lokufaka | FPD-Link III, LVDS | |
| Uhlobo Lokukhiphayo | I-LVCMOS | |
| Inani Lokufaka | 1 | |
| Inombolo Yemiphumela | 12 | |
| I-Voltage - Ukunikezwa | 1.71V ~ 3.6V | |
| Izinga Lokushisa Lokusebenza | -40°C ~ 105°C (TA) | |
| Uhlobo Lokukhweza | INtaba Engaphezulu | |
| Iphakheji / Ikesi | 48-WFQFN Iphedi Eveziwe | |
| Iphakheji Yedivayisi Yomhlinzeki | 48-WQFN (7x7) | |
| Inombolo Yomkhiqizo Eyisisekelo | I-DS90UB914 | |
| SPQ | 1000PCS |
I-serializer/Deserializer (i-SerDes) ibhulokhi esebenzayo evamise ukusetshenziswa ekuxhumaneni kwesivinini esiphezulu ukuze kunxeshezelwe okokufaka/okuphumayo okulinganiselwe.Lawa mabhulokhi aguqula idatha phakathi kwedatha ye-serial kanye nezokuxhumana ezihambisanayo ohlangothini ngalunye.Igama elithi "SerDes" ngokuvamile lisho izixhumanisi ezisetshenziswa kubuchwepheshe obuhlukahlukene nezinhlelo zokusebenza.Ukusetshenziswa okuyinhloko kwe-SerDes ukuhlinzeka ngokudluliswa kwedatha ngomugqa owodwa noma aipheya ehlukileukuze kuncishiswe inani lezikhonkwane ze-I/O nezixhumi.
Umsebenzi oyisisekelo we-SerDes wakhiwe ngamabhulokhi amabili asebenzayo: ibhulokhi ye-Parallel In Serial Out (PISO) (eyaziwa nangokuthi i-Parallel-to-Serial converter) kanye nebhulokhi ye-Serial In Parallel Out (SIPO) (eyaziwa nangokuthi isiguquli se-Serial-to-Parallel).Kunezakhiwo ezi-4 ezihlukene ze-SerDes: (1) Iwashi elihambisanayo i-SerDes, (2) i-SerDes yewashi eshumekiwe, (3) 8b/10b SerDes, (4) i-Bit interleaved SerDes.
Ibhulokhi ye-PISO (Parallel Input, Serial Output) inokufakwayo kwewashi elihambisanayo, isethi yemigqa yokufaka idatha, namaleshi wedatha yokufaka.Ingase isebenzise okwangaphakathi noma kwangaphandleIlophu evaliwe ngesigaba (PLL)ukuphindaphinda iwashi elihambisanayo elingenayo lifike kufrikhwensi ye-serial.Indlela elula ye-PISO ineyodwairejista yokushintshaethola idatha ehambisanayo kanye ngewashi ngalinye elihambisanayo, futhi iyikhiphe ngezinga eliphezulu lewashi le-serial.Ukuqaliswa kungase futhi kusebenzise aibuffered kabilibhalisa ukuze ugwemeukuqina komzimbalapho udlulisela idatha phakathi kwezizinda zewashi.
Ibhulokhi ye-SIPO (Serial Input, Parallel Output) inokukhishwa kwewashi lokwamukela, isethi yemigqa yokuphuma kwedatha namaleshi wedatha okukhiphayo.Iwashi lokwamukela kungenzeka litholwe kudatha ngochungechungealulame iwashiubuchwepheshe.Kodwa-ke, ama-SerDes angathumeli iwashi lereferensi lokusebenzisa iwashi ukukhiya i-PLL kumafrikhwensi e-Tx afanele, agweme ukuncipha.amafrikhwensi e-harmonicekhona kuukusakaza kwedatha.Ibhulokhi ye-SIPO ibe isihlukanisa iwashi elingenayo phansi libe inani elihambisanayo.Ukuqaliswa kuvame ukuba namarejista amabili axhunywe njengebhafa ekabili.Irejista eyodwa isetshenziselwa ukubala ekusakazeni kochungechunge, kanti enye isetshenziselwa ukubamba idatha yohlangothi olunganensa, oluhambisanayo.
Ezinye izinhlobo zama-SerDes zifaka phakathi amabhulokhi wombhalo wekhodi/wokukhipha amakhodi.Injongo yalokhu kubhala ngekhodi/ukukhipha amakhodi ngokuvamile ukubeka okungenani imingcele yezibalo esilinganisweni sokushintsha kwesignali ukuze kube lula.alulame iwashikumamukeli, ukunikezaukwenza uhlaka, kanye nokuhlinzekaIbhalansi ye-DC.
Imifanekiso ye-DS90UB914A-Q1
- Ifanelekele izinhlelo zokusebenza zezimoto i-AEC-Q10025-MHz ukuya ku-100-MHz Usekelo Lwewashi Lokufaka le-Pixel
- Izinga lokushisa ledivayisi grade 2: -40 ℃ kuya +105 ℃ izinga lokushisa elizungezile
- Idivayisi ye-HBM ESD ileveli yesigaba ±8kV
- Idivayisi ye-CDM ESD yesigaba C6
- Ukulayisha kwedatha ehlelekayo:Isiteshi esiqhubekayo sokulawula ukubambezeleka okuphansi kwe-bidirectional esinokwesekwa kwe-I2C ku-400-kHz
- I-10-bit Payload kufika ku-100-MHz
- 12-bit Payload kufika ku-75-MHz
- 2:1 Multiplexer ongakhetha phakathi kwezithombe ezimbili zokufaka
- Iyakwazi ukwamukela amakhebuli angama-coaxial angaphezu kuka-15m noma ama-20-m anezivikelo ezisontekile
- Ukusebenza kwe-Robust Power-Over-Coaxial (PoC).
- Thola isilinganisi esizivumelanisa ngokuzenzakalelayo nezinguquko ekulahlekeni kwekhebula
- LOCK iphinikhodi yokubika okukhiphayo kanye nesici sokuxilongwa kwe-@SPEED BIST ukuze uqinisekise ubuqotho besixhumanisi
- Ukunikezwa kwamandla okukodwa ku-1.8-V
- I-ISO 10605 ne-IEC 61000-4-2 ESD iyahambisana
- Ukuncishiswa kwe-EMI/EMC nge-programmable spread spectrum (SSCG) kanye nemiphumela ehlukanisiwe komamukeli
Incazelo ye-DS90UB914A-Q1
Idivayisi ye-DS90UB914A-Q1 inikeza isixhumi esibonakalayo se-FPD-Link III esinesiteshi esihamba phambili ngesivinini esiphezulu kanye nesiteshi sokulawula esinezinhlangothi ezimbili ukuze kudluliswe idatha ngekhebula elilodwa le-coaxial noma ipheya ehlukile.Idivayisi ye-DS90UB914A-Q1 ihlanganisa ukusayina okuhlukile kuzo zombili iziteshi ezihamba phambili ezinesivinini esikhulu kanye nezindlela zedatha zesiteshi eziqondiswa kabili.I-deserializer ihloselwe ukuxhumana phakathi kwezithombe namaphrosesa wevidiyo ku-ECU (Electronic Control Unit).Le divayisi ifaneleka kahle ukushayela idatha yevidiyo edinga ukujula kwamaphikseli angu-12 kanye namasiginali okuvumelanisa amabili kanye nebhasi lesiteshi eliqondiswa kabili.
I-deserializer ifaka i-multiplexer ukuvumela ukukhetha phakathi kwezithombe zokufaka ezimbili, esisodwa esisebenza ngesikhathi.Ukuthutha ngevidiyo okuyinhloko kuguqula idatha ye-10-bit noma engu-12-bit ibe ukusakaza okukodwa kwe-serial enesivinini esiphezulu, kanye nesiteshi sokuthutha sesiteshi sokulawula i-bidirectional esiphansi esiphansi esamukela ulwazi lokulawula olusuka echwebeni le-I2C futhi elizimele esikhathini sokuvala ividiyo.
Ukusebenzisa ubuchwepheshe bewashi elishumekiwe le-TI kuvumela ukuxhumana okugcwele okuyiduplex okusobala phezu kwepheya eyodwa ehlukile, ephethe ulwazi lwesiteshi sokulawula i-asymmetrical-bidirectional.Lokhu kusakazwa kwe-serial okukodwa kwenza kube lula ukudlulisa ibhasi ledatha ebanzi phezu kokulandelelwa kwe-PCB nekhebuli ngokususa izinkinga ze-skew phakathi kwedatha ehambisanayo nezindlela zewashi.Lokhu kusindisa kakhulu izindleko zesistimu ngokunciphisa izindlela zedatha ezinciphisa izendlalelo ze-PCB, ububanzi bekhebula, nosayizi wesixhumi namaphinikhodi.Ngaphezu kwalokho, okokufaka kwe-Deserializer kunikeza ukulingana okuguquguqukayo ukuze kunxeshezelwe ukulahlekelwa okuvela kwabezindaba ngokuhamba kwamabanga amade.Ukubhala ngekhodi/ukukhipha ikhodi okunokulinganisela kwe-DC kusetshenziselwa ukusekela ukuxhuma okuhlanganiswe kwe-AC.
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