Dallas Touch Memory Key

iButton babban suna ne na maɓallin ganowa na lantarki cushe a cikin kwandon ƙarfe{0}mai siffa. Ana kuma kiranta Dallas Touch Memory ko memory memory. Ko da yake sau da yawa ana kiransa da kuskure a matsayin maɓalli na "magnetic", babu wani abu na maganadisu a cikinsa. A haƙiƙa, cikakken {4}}madaidaicin microchip mai aiki akan ka'idar dijital tana ɓoye a ciki.

Yawancin lokaci, iButton yana nuna nau'in maɓalli na zahiri da mai karatu - tsabar kuɗi mai zagaye da lambobin sadarwa biyu. Don firam ɗin da ke kewaye da shi, akwai ɗimbin bambance-bambance daga mafi yawan abin riƙe filastik tare da rami zuwa zobba, pendants, da sauransu.

Hannun katin tm ɗin daidaitaccen allura ne wanda aka ƙera shi da kayan gauraye na nailan, wanda yake da acid -mai jurewa, mai{1}}mai jurewa, lalata{2}}, kuma baya dushewa; hannun yana dacewa da katin TM kuma ana iya amfani dashi azaman maɓallin buɗewa don makullin ƙofar otal, makullin sauna da makullan katin TM daban-daban. Kyakykyawa, mai sauƙin ɗauka da ɗorewa.

DS1990A{1}F5 guntu ce mai ƙarfi mai ɗaukar bayanai wacce za a iya amfani da ita azaman lambar rajista ta lantarki don tsarin ganowa ta atomatik. Ana canja wurin bayanai a jere ta hanyar amfani da 1{100}{101}{7}Wire& Protocol tare da jagorar sigina ɗaya kawai da dawowar ƙasa ɗaya. Kowane DS1990A ya haɗa da masana'anta da aka saka 64-bit ROM don tabbatar da cikakkiyar ganowa. Kunshin iButton mai kauri yana da juriya ga mummuna yanayi kamar ƙura, danshi, da girgiza. Ƙaƙƙarfan siffar maɓallin DS1990A na iya daidaitawa ta atomatik tare da daidaitaccen shugaban karantawa/rubutu, wanda yake da sauƙi ga masu amfani suyi aiki. Na'urorin haɗi daban-daban suna ba da damar sanya DS1990A akan kowane abu, kamar kwantena daban-daban, tire, jakunkuna, da sauransu.
Lokacin karantawa na iya zama cikin 5ms
Rage Aiki: 2.8V zuwa 6.0V, -40 digiri zuwa digiri+85
Kowace na'ura tana da lambar rajista na musamman 64-, yana tabbatar da zaɓin na'ura mara kuskure da cikakkiyar ganowa, saboda babu na'urori biyu masu lambar serial iri ɗaya.
Gina -a cikin Multidrop 1-Wire mai sarrafa hanyar sadarwa
Ganewar dijital ta hanyar tuntuɓar juna nan take
Yana ba da damar shiga na'urorin da aka ɗora akan abubuwa
Yin amfani da layin siginar dijital don sadarwa a 16.3kbps, samar da bas ɗin sadarwar tattalin arziki
Siffar maɓalli don daidaitawa ta atomatik na binciken kofi
Ƙunƙarar ƙaƙƙarfan gidaje na bakin karfe tare da lambar rajista da aka zana a saman na iya tsayayya da yanayin aiki mai tsauri

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