Ko te UM3221EEUE nā Union Semiconductor International Limited he taupū whakawhitiwhiti kōrero ahumahi motuhake, hangaia mō ngā tono kāri RS232 pākākā. Ko te taputapu mahi tiketike nei he otinga poto, whaihua hoki mō te whakawhiti raraunga o te raupapa, ā, he āheinga kōrero ā-mua me te tuku raraunga whio-ā-whio me te reiti raraunga tino tiketike o te 250 kbps.
Kua hangaia mō ngā taiao ahumahi uaua, ka whakahaere te taupū i te rerekē pāmahana whānui o -40°C ki te 85°C, kia ū ai te mahi pono i ngā āhuatanga uaua. Mā te putea iti 16-TSSOP (0.173 in, 4.40mm te whānui) ka taea te whakauru ki runga-rua kia ngāwari te noho, he pai mō ngā hoahoa hiko pēnei i ngā hua iti e hira ana mō te mīhini paku.
E tautoko ana te taputapu i tētahi whānui rerekē o te īhinga hiko kaini 3V ki te 5.5V, hei whakarite kia whakauru ki ngā kaupapa hiko rerekē. Mā te whakamahinga kotahi o te whakawhiti me te rongo, ka tukuna te UM3221EEUE he kōrero RS232 whaihua. Ko tētahi ahuatanga nui ko tana hysteresis 200 mV o te kaitiro, hei whakakaha i te mauritau o ngā tohu me te ārai akinaki.
Ko ngā painga matua ko te whakaū RoHS, hei tiaki taiao, me te hoahoa kaha mō ngā pūnaha whakahaere ahumahi. He pai tēnei taupū mō ngā tono e rapu ana i te whakawhiti kōrero tūpato, paku ngongo, pēnei i te motuhake ahumahi, ngā taputapu whakawhitiwhiti kōrero, me ngā pūnaha whakahaere whakauru.
Tērā pea ka taea te kimi tauira tārite pērā i ngā taupū whakawhiti RS232 pēnei i a Texas Instruments (pērā i te MAX3232), Maxim Integrated (pērā i te MAX232), me ST Microelectronics, ahakoa ngā ahuatanga mahi noa me ngā āhuatanga hou me mātauhia i runga i ngā kaupapa here motuhake.
Kei te wātea te hua nei i ngā kete tūemi me ngā rauropi (tape and reel), hei whakangāwari i ngā tukanga hanga, me te tautoko hoki i ngā hiahia whakaputa nui.
UM3221EEUE Ngā āhuatanga hangarau matua
Ko ngā āhuatanga hangarau matua o UM3221EEUE ko te whakawhitinga raraunga RS232 1 TX me 1 RX, 16-TSSOP (te whānui 4.40mm), me te tere raraunga tae atu ki te 250kbps.
UM3221EEUE Rahi uta
Ko tēnei hua kei roto i te pouaka 16-TSSOP (pākete whakaiti āhua māmā) he whānui 0.173 inihi (4.40mm). Ka pai te whakamahinga mō te whakatika mata-whaiaro i runga i ngā pouri PCBs, ā, he pai mō ngā raina hangarau aunoa. Ko te ara pouaka he Tape & Reel (TR), tino pai mō te nuihanga ki te nuinga me ngā tāwhara aunoatia. Ko te koda kākahu ko te 9621, e whai ana ki ngā paerewa ahumahi mō ngā IC ahumahi motuhake. He whakaatu mō ngā whakaurutanga taura mō te rūnanga kotahi me te kaiwhiwhi kotahi (1TX/1RX), kua whakatauira hei kimi i te whakauru hiko me te tika o ngā taura hiko.
UM3221EEUE Taupānga
Ko te UM3221EEUE he whakamātautau whakawhitinga raraunga RS232 taupoki, e hangaia ana mō ngā pūnaha whakahaere ahumahi, te hanganga whakawhiti kōrero, me ngā taputapu aunoatanga e hiahia ana ki te whakawhitinga raraunga tino tika, takitahi i te whānuitanga. He tino whai hua mō ngā pūnaha kōrero matua, ngā aunoatanga wheketere, ngā pūnaha noho, te rorohiko ahumahi, me ngā atanga kōrero motuhake rerekē.
UM3221EEUE Ngā waahanga whaihua
Ko te UM3221EEUE he āheinga whakawhitinga RS232 pai ki te kotahi kaiwhakahaere me te kotahi kaiwhiwhi, tautoko i te whakaputa korero whānui. Ka taea e ia te whakahaere i runga i te pākahiko 3V ki te 5.5V, kia hono pū atu ki te nuinga o ngā punaha matihiko hou. Ka taea te tuku raraunga ki te tae atu ki te 250kbps, e whakarite ana i te whakawhitinga whaihua me te aukati i ngā haruru—he mea tino nui mō te whakawhitinga rorohī me te taumaha nui. He hēketi mō te kaiwhiwhi o te 200mV hei whakakaha i te aukati i ngā haruru me te whakapiri pai i ngā tohu ahumahi. Ka taea te tīpako kia kaha me te whakamanatanga i ngā āhuatanga hauora i raro i te pāmahana -40°C ki te 85°C, he pai mō ngā wāhi uaua. Nā te hanganga o te punaha whakauru ma runga mata, ka taea te whakauru ngawari ki te PCB me te whakamahi tika i te wāhi noho. Ko te whakaritehia ngā momo rapu ahumahi ki te whakarite kia tutuki ngā herenga tono nui, ā, ko te pouaka Tape & Reel he mea hanga hei tautoko i te whakauru tere me te whakaiti i te wā hanga.
UM3221EEUE Ngā āhuatanga kounga me te haumaru
Ko tēnei hua i hangaia i runga i ngā paerewa hanga papaaho ahumahi, kia ū ki ngā whakahaere kounga tino teitei, kia ū hoki ki ngā paerewa pērā i te RoHS mēnā e tonoa. Ko te whakahaere pāmahana hei tapahia hei tautoko i te pono i te roa. He maha ngā whakamarumaru ESD me ngā hanga hātepe pai mō ngā whakahaere haumi hiko o te ahumahi, kia whakamarumaru i ngā mahi ka huri i te taiao uaua.
UM3221EEUE Taurite
Nā tōna whānui o te pākahiko whāurutanga me ngā tautoko hangarau, ka taea te hono o te UM3221EEUE ki ngā MCU maha, ngā kaiwhakahaere ahumahi, me ngā taputapu whakawhiti kōrero tawhito. He māmā te whakauru i runga i ngā papa PCBs whakarite, ā, he wātea hoki mō te hanga hei whānui i ngā pūnaha e hurihia ana, hei tautoko i ngā rautaki rongoā rerekē mō ngā pūnaha hou.
UM3221EEUE Kōnae PDF raraunga matua
Kei tō mātou paetawhiti ēnei wāhanga whai rawa mō te datasheet o UM3221EEUE. Tūtohu ana mātou kia toro atu ki te whārangi hua o nāianei hei tiki i te PDF datasheet, e kapi ana i ngā mōkī hangarau taipitopito, aratohu tono, me ngā kōrero whakauru mō tō kaupapa.
Tohonga kounga
Ko IC-Components he kaihautū rangatira, whakawhirinaki hoki mō ngā hua a Union Semiconductor, tae atu ki te whakamātautau motuhake a UM3221EEUE. E tūpato ana mātou ki ngā paerewa pono, te whai whai, me te whakahaere mō te kounga. Hei tuku utu tohutohu, he mōhio, me te tere ki te tiki taputapu, tomo ki tā mātou paetawhiti ināianei, ā, waiho hei painga mō te rangatira o te ao rahi mō te tiki rawa!





