Ho hula hona joale le ho nosetsa hona joale ke litekanyo tsa ho lekanya matla a motlakase oa potoloho (hlokomela: ho hula le ho nosetsa kaofela ke bakeng sa pheletso ea tlhahiso, kahoo ke matla a mokhanni) litekanyetso.Polelo ena hangata e sebelisoa lipotolohong tsa dijithale.
Mona re tlameha ho qala ho hlalosa hore ho hula le ho nosetsa hona joale bukeng ea chip ke boleng ba parameter, e leng moeli o ka holimo oa ho hula le ho nosetsa hona joale ka potoloho ea sebele (e lumelletsoe litekanyetso tse phahameng).
Khopolo e tla boleloa ka tlase ke boleng ba sebele potolohong.
Hobane tlhahiso ea lipotoloho tsa dijithale e phahame feela, e tlase (0, 1), boleng ba motlakase:
Ha tlhahiso ea boemo bo phahameng e hlahisoa, tlhahiso e fanoa ka kakaretso ho mojaro.Boleng ba hona joale bo bitsoa "pull current";
Ha tlhahiso ea boemo bo tlase hangata e le hona joale ho monya moroalo, boleng ba hona joale ba ho monya bo bitsoa "ho nosetsa (kena) hona joale".
Bakeng sa sesebelisoa sa hajoale:
Ea hona joale e kenang le ea hona joale ea ho monya lia kenngoa.Hona joale ha e etse letho, 'me metsi a ho monya a sebetsa.
Haeba motlakase oa ka ntle o feta ka pini ea chip, 'ho phalla' ka har'a chip ho bitsoa ho nosetsa hona joale (ho nosetsoa);
Ka lehlakoreng le leng, haeba motlakase oa ka hare ka pin pin ho tloha chip 'e phallang' o bitsoa pull current (ho ntšoa);
Hobaneng nka lekanya matla a ho khanna?mateano
Ha tlhahiso ea monyako e utloahalang e le tlaase, motlakase o nosetsoang monyako oa logic o bitsoa hona joale oa ho nosetsa.E kholoanyane ea ho nosetsa hona joale, e phahamisa boemo bo tlaase ba ho qetela ha tlhahiso.E ka boela ea bonoa ho tsoa ho sebopeho sa sebopeho sa triode.Ha matla a nosetso a ntse a eketseha, ho fokotseha ho hoholo ha matla a saturated voltage, le boemo bo tlaase bo boholo.Leha ho le joalo, boemo bo tlase ba monyako oa logic bo lekanyelitsoe, 'me bo na le UOLMAX e phahameng.Ha u sebetsa monyako oa logic, ha ho lumelloe ho feta boleng bona.Litlhaloso tsa lemati la logic la TTL li totobatsa UOLMAX ≤0.4 ～ 0.5V.Ka hona, ho na le moeli o ka holimo oa ho nosetsa hona joale.
Ha pheletso ea lemati le utloahalang e phahame, ea hona joale pheletsong e utloahalang ea ho tsoa ha monyako e tsoa ka monyako oa logic.Hona joale ena e bitsoa pull current.E kholoanyane ho hula hona joale, ho fokotsa boemo bo phahameng ba ho qetela ha tlhahiso.Lebaka ke hobane triode ea boemo bo holimo e na le khanyetso ea ka hare, 'me ho theoha ha motlakase ho hanyetsa ka hare ho tla fokotsa matla a tsoang.E kholoanyane ho hula hona joale, ho fokotsa boemo bo phahameng ba ho qetela ha tlhahiso.Leha ho le joalo, boemo bo phahameng ba monyako oa logic bo lekanyelitsoe, 'me bo na le bonyane ba UOHmin.Ha u sebetsa monyako oa logic, ha ho lumelloe ho feta boleng bona.Litlhaloso tsa litekanyetso tsa monyako oa logic oa TTL uohmin ≥2.4V.Ka hona, ho boetse ho na le moeli o ka holimo oa ho hula hona joale.
Ho ka bonoa hore ho na le moeli o ka holimo oa ho hula hona joale le ho nosetsa hona joale qetellong ea tlhahiso.Ho seng joalo, ha tlhahiso ea boemo bo phahameng, ho hula hona joale ho tla fokotsa boemo ba tlhahiso ho feta UOHMIN;ha tlhahiso ea boemo bo tlaase, ho nosetsa hona joale ho tla etsa hore boemo ba tlhahiso bo phahame ho feta UOLMAX.
Ka hona, ho hula le ho nosetsa hona joale ho bonahatsa bokhoni ba ho khanna.(Ha chip e kholoanyane le boleng ba parameter ea hona joale ea ho nosetsa, ho bolela hore chip e ka kopanya meroalo e mengata, hobane, joalo ka ha ho nosetsa hona joale ke mojaro, mojaro o feta;
Hobane boemo ba hona joale ba ho kenya letsoho bo phahameng bo nyane, maemong a manyane, hangata ha ho hlokahale hore bo nahane.Boemo bo tlase ba hajoale bo boholo ebile bo maemong a milliamp.
Ka hona, hangata ha ho na bothata ba ho nosetsa ha maemo a tlase.Sebelisa fene ho hlalosa bokhoni ba lemati la logic ho khanna mamati a tšoanang.Fan e tsoang ho kutloelo-bohloko ke karo-karolelano ea boemo bo tlase bo phahameng ba tlhahiso ea hona joale le tekanyo e phahameng ea ho kenya letsoho ea boemo bo tlaase.
Sebakeng se kopantsoeng, hona joale ho hula, ho hula tlhahiso ea hona joale le tlhahiso ea hona joale ea nosetso ke mohopolo oa bohlokoa haholo.
Hula le ho lutla, tlhahiso e sebetsang, e tsoa ho sephetho sa hajoale;
Ho nosetsa hoa tjhaja, hona joale ho kenya letsoho, e phallang ho tsoa boema-kepeng ba tlhahiso;
Mahlomola ke ho hema hona joale ka mafolofolo, e phallang ho tsoa koung ea ho kenya.
Mokelikeli oa hona joale le oa ho nosetsa ke oa hona joale o phallang ka har'a chip ho tloha potolohong e ka ntle ea chip.Phapang ke hore hona joale ho monya ho sebetsa, 'me hona joale ho monya ho phalla ho tloha pheletsong ea ho kenya chip.Mokelikeli o tšelang ha o sebetse, 'me hona joale ho phalla ho tloha qetellong ea tlhahiso ho bitsoa hona joale.
Hona joale ho hula hona joale ke tlhahiso ea hona joale e fanoang ke potoloho ea digital e hlahisoang boemong bo phahameng ho mojaro.Sehlahisoa se tlase sa boemo bo tlase ha metsi a nosetso a ntse a kenya letsoho ho potoloho ea digital.Ha e le hantle ke bokhoni ba hona joale ba ho kenya le ho hlahisa.
Mokelikeli oa hona joale oa ho monya ke oa "terminal ea ho kenya" (input end input), 'me motlakase oa ho hula (sephetho sa sephetho se phallang) le metsi a nosetso (qetellong ea ho nosetsa) e batla e tsoa.
Nako ea poso: Jul-08-2023