Zamanin watsawa mai sauri yana zuwa - USB 4.0
Gabatarwa
A cikin 1994, Intel da Microsoft sun ƙaddamar da Ƙungiyoyin Daidaitawa ta Duniya, wanda ake kira "USB-IF". Ƙungiyar ta ƙirƙira jerin ƙayyadaddun bayanai da ƙayyadaddun bayanai don jerin bas na duniya. Daga cikin su, ma'aunin da aka haɓaka a kusa da cajin sauri shine sanannen ka'idar USB PD, wanda a halin yanzu yana ɗaya daga cikin ka'idojin cajin jama'a da aka fi amfani da su, kuma an fitar da rahoton bincike kan yanayin masana'antu na PD 3.1 a gaban shugaban caji. cibiyar sadarwa ta ba da rubutu mai tsawo, wanda zai iya fahimtar dukkanin sarkar masana'antu na PD 3.1.
Bugu da kari, USB-IF ya samar da ma'auni na watsa bayanai, kuma kai tsaye mai suna USB #.0, bayan canjin yanayin yanzu, sabon bayanin USB shine USB4, wannan labarin zai shiga cikin USB4 tun lokacin da aka saki shi, a kasuwa. don gina muhallin masana'antu.
Game da USB4
An saki yarjejeniyar canja wurin bayanai ta USB da yawa fiye da USB PD, kuma an gabatar da USB1.0 a cikin 1996, shekara ta uku bayan an kafa USB-IF. Ƙarshen farko na daidaitaccen kebul na USB, ƙimar watsawarsa shine kawai 1.5Mbps, cikakkun bayanai na ci gaban nau'ikan tarihin USB don Allah duba tebur mai zuwa:
A watan Satumba na 2019, an saki USB4 bisa hukuma tare da matsakaicin adadin watsawa na 40Gbps, daidai da Thunderbolt 3. USB4 yana da ƙayyadaddun bayanai guda biyu, bi da bi, USB4 40 tare da matsakaicin bandwidth na 40Gbps, USB4 20 tare da matsakaicin matsakaicin 20Gbps, kuma masu amfani suna buƙatar. don gane cewa USB4 40 cikakken jini ne.
A cikin Satumba 2022, an fallasa ma'auni na USB4 2.0 a gaba, matsakaicin adadin ya karu zuwa 80Gbps, an karɓi sabon tsarin gine-ginen bayanai, da ma'aunin caji mai sauri na USB PD, kebul Type-C ke dubawa da daidaitattun kebul suma za a sabunta su tare.
Ana iya ganin cewa a cikin aiwatar da sabuntawar sigar, babban canji shine haɓaka ƙimar watsa bayanai, daga farkon 1.5Mbps zuwa faɗuwar yanzu na USB4 2.0 ya kai 80Gbps, haɓaka dubun dubbai. Wannan canji ya fi girma saboda haɓaka tashar watsa bayanai, tun daga 2013, nau'in nau'in USB3, ya karu zuwa nau'i-nau'i na 4 na tashoshi daban-daban, kuma sanye take da mafi kyawun tashar USB-C, yin watsa bayanai yana da ingantaccen inganci.
A halin yanzu, akwai samfuran da yawa waɗanda ke amfani da aikin watsa bayanai mai sauri na kebul-C ke dubawa, galibi wasu na'urorin ajiya na waje (kamar madaidaitan madaidaitan juzu'i, igiyoyi masu saurin watsa sauri, da musaya masu amfani da kai tsaye a ciki. wasu manyan littattafan rubutu).