7408 Logic Gate COLO Gate COLIGH MALLAMICES Jagora: Pinout, halaye da aikace-aikace
2025-04-02 13042

A cikin duniyar lantarki na dijital, da'irar ƙofar dijital, da'irar dabaru na dabaru sune tushen tsarin da ke hadaddun, da kuma IC 7408 wakilin irin waɗannan na'urorin ne.As a chip integrating four independent dual-input AND gates, IC 7408 is widely used in digital circuit modules such as counters, encoders, and data selectors.Wannan talifin za a tsara shi da tsabta a kan mahimmin ilimin IC 7408. Daga ƙayyadaddun kayan aiki, Ina fata wannan abun yana iya samar maka da bayanai masu amfani da tallafi na fasaha.

Tsarin litattafai

Menene IC 7408

IC 7408, da aka sani da IC 74ls08 Cibiyar Cibiyar da aka haɗa ta daban da ƙungiyoyi huɗu da ƙofofin, kowane sanye take da abubuwan da suka dace.Wannan IC wani bangare ne na jerin 74xyy jerin.Kuma ƙofofin, wasu bangarori masu mahimmanci na wannan IC, suna taka rawar gani wajen sauya labarin.A waɗannan ƙofofin, ana amfani da nau'ikan alamun alamomi biyu.

Babban fam ɗin shine babban sigina, yana aiki a cikin kewayon lantarki 3-5v.Conversely, sigar sakandare ita ce sigina mai karancin matsayi, Akin ga matakin da 2-0.Kowace ƙofa a cikin 7408 iC yana buƙatar fil na ciki shida da filaye biyu don filayen aiki.

Abubuwan fashewa suna da ikon kasancewa a cikin manyan jihohi da ƙananan jihohi.Koyaya, don fitarwa don zama daukaka, jihohin masu shiga dole ne su ma zama babba.

Yawanci, IC 7408 ya ƙunshi ƙofofin huɗu da ƙofofin, kowannensu yana aiki da kansa ba tare da shafar sauran ba.

Haka kuma, 74ls08 yana buƙatar asalin wutan lantarki guda ɗaya, kuma fitarwa ta daidaita tare da na'urorin ttl da sauran microroctonron.Wannan ya sa ya zama abin dogara don injiniyoyi da yawa da masu sha'awar lantarki.

IC 7408 PINOUT

A 7408 IC yana fasalta filoli 14, samar da kewayon aiki kamar su wallafa ƙofofin dabaru, da kuma sauƙaƙe abubuwan da ke ciki da abubuwan sarrafawa.

Kyamar PIN kamar haka

PIN EXT

IC 7408 Circuit zane

IC 7408 fasali da bayanai

Ana aiki da kewayon ƙarfin lantarki: +4.75 zuwa + 5.25v

Shawarar aiki tare da wutar lantarki: + 5V

Matsakaicin wadataccen abinci: 7V

Mafi yawan abin da ya dace ta kowane fitarwa na tashar jiragen ruwa: 8MA

Ttl fitarwa

Lowerarancin Wuta mai ƙarfi

Lokaci na hali na yau da kullun: 18s

Lokaci na yau da kullun: 18s

Zazzabi aiki: 0 ° C zuwa 70 ° C

Zazzabi mai ajiya: -65 ° C to 150 ° C

Bayanin Lantarki

Kanfigareshan: Akwai shi a cikin soic ko pdip pdip, wani ɓangare na jerin Logic Logic.

14-PIN Dual Dual (Dil): yana samar da daidaitaccen tsari don sauƙin amfani.

Inportaya mai zaman kansa da ƙofofin: ya ƙunshi wasu ƙofofin huɗu.

Cikakkuntancin matsakaicin taƙaitawar: sun haɗa da matsakaicin jinkirin jinkirta 10 na NS, kewayon zafin jiki na zafin jiki na aiki-C zuwa 125 ° C, da kuma aiki mai sauri har zuwa 10 mHz.

Yanayin aiki: Wayar Wuta (VCC) tana fitowa daga 4.75v zuwa 5.25v, tare da shigar da abubuwa daban-daban da kuma kayan aiki na duniya da kuma kayan aiki.

- Halayen lantarki: Cikakken bayani dalla-dalla game da shigarwar injin, mai girma da ƙaramin fitarwa na matakin yanzu, da kuma wadatar fitarwa na yanzu, da kuma samar da wadataccen wuri.

Gyara na IC 7408

74LS08: Versionarancin ƙarfin ƙarfin SchottSky, yana ba da irin wannan aikin kamar yawanci tare da ƙananan yawan wutar lantarki da kuma dan kadan halaye masu lantarki.

74HC08: Versionarfafa Sigar Tsuntsiya, mashahuri don aiki a mafi girma gudu idan aka kwatanta da daidaitaccen nau'in TTL.

74hct08: Siffar da ta dace CMOs mai jituwa-iri mai jituwa tare da TTL, haɗa fa'idodin fasahar CMS tare da karfinsa zuwa matakan ƙarfin ƙarfe na TTL.

Ka'idojin IC 7408

IC 7408 ya ƙunshi ƙofofin huɗu, kowannensu yana karɓar sigina biyu.Kowace ƙofa tana yin asali da aiki, ma'ana idan duk abubuwan da ke cikin biyun suna da girma (Logic League 1), fitarwa tana da yawa (1).Idan kowane shigar da ƙasa (Logic 0), fitowar ta ƙasa.Dangane da ka'idodin ttl (transistor-transistor dabaru), IC 7408 ya samar da kayan aikin don kowace ƙofar, wanda aka watsa ta hanyar fitowar pins.Saboda haka, IC 7408, sanannu da shigarwarsa 2 da ƙofofin ta, ana amfani da su cikin aikace-aikacen lantarki daban-daban saboda amincin sa.

Yadda ake amfani da IC 7408

IC 7408 suna aiki da dabarar ƙofar, wanda ya zo a cikin nau'ikan haɗuwa guda uku.Kowane haɗin ya haifar da matakin fitarwa dangane da takamaiman matakin shigarwar.A wannan yanayin, an aiwatar da ƙofofin da ƙofofi ta amfani da masu sauqi.

Kamar yadda aka nuna a cikin zane a ƙasa

Ginin ya ƙunshi tashar jiragen ruwa huɗu da aka haɗa, tare da kowane tashar jiragen ruwa da tashar jiragen ruwa suna yin aiki da aiki akan shigar da hankali biyu.Misali, Port 1 tana gudanar da aikin DNA tsakanin A1 da B1, samar da fitarwa a tashar jiragen ruwa y1.

Tebur na Gaskiya don da ƙofar kamar haka

Don yin misali da manufar sama, bari muyi la'akari da da'irar aikace-aikacen wani da ƙofar, kamar yadda aka nuna a zane na gaba.

Don mafi kyawun fahimtar ayyukan ciki, zamu iya nufin mai sauƙin da'irar ciki da ƙofar, wanda aka nuna a ƙasa.

A cikin wannan da'irar, masu transress guda biyu suna haifar da kofa.Hanyoyin shigarwar guda biyu na da Great Greas daga tashar sansanin wadannan masu m transistors.Waɗannan shigarwar suna haɗe da nodes don canza dabaru na abubuwan da ake shigar.Fitar da ƙoshin wuta shine ƙarfin lantarki a duk faɗin tsayayya r1.Wannan fitarwa tana da alaƙa da LED D2 ta hanyar tsoratar da tsoratar da keta na yanzu R1 don gano jihar fitarwa.

Ana iya rarraba da'irar aiki zuwa cikin waɗannan matakai masu zuwa

Mataki na 1: Lokacin da ba a guga maɓallin an guga maɓallin ba, na yanzu a bushe ƙarshen transists shine sifili.Sakamakon haka, masu siyar da transists Q1 da Q2 suna kashe, haifar da jimlar ƙarfin ƙarfin VCC ta bayyana a duk faɗinsu.Tunda jimlar VCC ta bayyana a fadin mashin, babu wani digo dibi na lantarki a fadin tsayayya r1, wanda ya haifar da karancin fitarwa.Don haka, lokacin da shigarwar ta ƙasa, fitarwa tana da ƙasa.

Mataki na 2: Lokacin da aka matsa kowane maballin, mai canzawa ɗaya yana buɗewa, ɗayan kuma yana rufewa.A kan transistor yana aiki a matsayin wani ɗan gajeren da'ira, yayin da off transistor yayi a matsayin bude da'irar, nuna jimlar VCC.A wannan gaba, harshen wutar lantarki a fadin tsayayya r1 shine sifili, riƙe fitarwa a wani matakin karancin.Saboda haka, lokacin da shigarwar ta ƙasa, fitarwa tana ƙasa.

Mataki na 3: Lokacin da aka matsa duka biyu, duk masu siyar da su, da ƙarfin lantarki a dukansu akwai sifili, haifar da jimlar VCC don bayyana a fadin tsayayya da R1.Tun lokacin da fitarwa shine kawai wutar lantarki a duk faɗin tsayayya R1, yana da girma.Saboda haka, lokacin da abubuwan da suke shigar biyu suke da girma, fitarwa yana da yawa.

Bayan tabbatar da wadannan jihohi uku, a bayyane suke sun gamsar da tebur da gaskiya da aka ambata a sama.Bugu da ƙari, za a iya yin lissafin da ƙofar da ƙofar ta amfani da teburin gaskiya, I.e., y = Saboda haka + B. Saboda haka, saboda haka, ana iya amfani da kowane tashar fayil.

Bugu da ƙari, yana da mahimmanci a lura cewa ɗaya da ƙofar guda ko haɗin 2 da tashoshin jiragen ruwa guda ɗaya ba zasu iya ƙirƙirar ƙofofin dabaru daban-daban ba.Koyaya, ana iya amfani da ƙofofin don ƙirƙirar wasu ƙofofin dabaru.Misali, za a iya canza shi zuwa ƙofar N0 ta amfani da ƙofar N0.Kuma ƙofofin suna taka muhimmiyar rawa wajen tsara sauran ƙofofin dabaru kamar Xnor da Xor.Amma, idan an haɗa shi da ƙofa tare da wata ƙofar dabaru, yana iya ƙirƙirar sabuwar ƙofar dabaru, kamar haɗuwa ba, ko, da dai sauransu.

Girman IC 7408

Inda aka yi amfani da IC 7408

A 7408 iC, wanda kuma ake magana a kai 74ls08, yana da tsari na aikace-aikace.Ana amfani dashi musamman a cikin yanayin da ake buƙata da ayyukan dabaru.Gumi ya ƙunshi tashar frows huɗu, kuma yana yiwuwa a yi amfani da ɗaya ko duk waɗannan tashoshi lokaci guda.

CIGABA yana aiki a cikin tsarin da ke buƙatar ayyukan manyan ayyuka masu ƙarfi.Kamar yadda aka ambata a baya, tashar jiragen ruwa a cikin guntu an tsara su ta amfani da zane-zanen Schottky don rage jinkirin sa tashar jiragen ruwa.Saboda haka, guntu ya dace da manyan-sauri da aiki.

Bugu da ƙari, wannan guntu yana samar da abubuwan da aka buƙata ta hanyar wasu tsarin.

Aikace-aikacen IC 7408 sun hada da

Gogin Domaal

Binary Counters

Mahara

Flip-flops

Direban bas / masu karɓa

Adireshin Adireshin

La Latches

Da'irar ƙofar dabaru

Decoders

Rajista rajista

Ƙididdiga

Ilimin lissafi

A ƙarshe

An yi amfani da guntun 7408 a cikin Tsarin Tsarin Dijital da dabaru na bijirewa.Yana aiwatar da dabaru da aiki, isar da fitarwa kawai lokacin da duk sigina suke da yawa, muhimmin bangare a cikin da'irar dijital.Haka kuma, Cascading da yawa na abubuwa 7408 yana ba da damar ganin yadda ya fahimci ƙarin dabarun dabaru.

Koyaya, lokacin amfani da guntin 7408, wasu la'akari suna da mahimmanci:

Dole ne layin da ake shigar da shi na izinin shiga ya zama dole a cikin kewayon da aka ayyana a cikin bayanan guntu.Ya wuce wannan kewayon na iya haifar da rashin ƙarfi ko lalacewar guntu.

Dole ne a yi la'akari da karfin siginar shigarwar.Idan yana buƙatar haɗa shi da sauran da'irori ko ƙofofin dabaru, tabbatar da watsa sigari.

Dangantakar lokacin siginar shigarwar tana buƙatar la'akari.A wasu zane, sigina na shigar na iya samun tsari a cikin lokaci, wanda yakamata a haɗa shi da hankali bisa ga buƙatun ƙira.

Takaita, CUGALUS CUTS shine COUT HORT HOTSIC COURSIN HAKA huɗu da qofofin hudu.Ana amfani da shi sosai a cikin da'irar da'irar dijital da dabaru na bijirewa.Ya kamata a biya hankali ga kewayon rarar wutar lantarki, ɗaukar ƙarfin, da kuma dangantakar lokacin.