Binciken 74ls74: Cikakken cikakken bayani game da ayyukan PIN, fasali, da kuma amfani da lokuta
2024-07-22 2015

Da 74LS74 shine dual d blip-flip tare da aikace-aikace iri-iri.Wannan labarin zai gabatar da fayil 74L74 na fayil da ayyuka, fasali, tsari, tsari, tsari, tsari, tsari, tsari, tsari, tsari da kuma ka'idodi da aikace-aikacen da aikace-aikacen, don ku iya fahimtar wannan flip na jefa.

Tsarin litattafai

Menene d topip-flop?

D jefa-flop na'urar ƙwaƙwalwar ajiya mai hoto tare da jihohi biyu masu tsoka don adana bayanan 1-bit.Abu ne na asali na asali wanda ya ƙunshi da'irori da dama na kewaya, amma kuma wani muhimmin yanki a cikin dabarar dabaru.Saboda haka, d jefa dama yana da kewayon aikace-aikace da yawa a tsarin tsarin dijital da kwamfutoci.Flip-flop yana da tsayayyen jihohi biyu, I.e. 0. 0. 0. 0. 0.0

Flop-flop-flop-flop ko jinkirta jefa-flop) ya ƙunshi ƙofofin Rs fage-flip-flop.Lokacin da maigidan-bawan ya buɗe takardu da ke aiki cikin yanayin matakin-Trigger, siginar dole ne a shigar da siginar kafin a tsallake siginar ya zo.Idan siginar mai tayar da hankali tana nan a shigarwar lokacin CP, yanayin murfin murfin na iya zama erroneous.Koyaya, Edge Edge ya ba da damar siginar zai iya shigar da wani rabon na biyu kafin clarfin CP.Wannan yana rage lokacin shigarwar da za a rikice, don haka rage yiwuwar tsangwama.An kuma santa da flip-flip-flop a matsayin mai dorewa mai dorewa na dorewa d lip-flop.Ana iya yin flip-flip-flop ta hanyar haɗa guda biyu d lip-flops a cikin jerin, amma cp na farkon b flip-flip-flip-flip yana buƙatar yin amfani da ƙofar ba ta amfani da ƙofar ba ta amfani da ƙofar ba.

Takaitawa 74ls74

74ls74 shine guntun fulawa biyu da keɓaɓɓen masana'antu da Fairchild Semiconductor.Ana iya amfani dashi azaman Oscillator, rajista, rajistar rajista, da ƙungiyar mita.Yana da sifofin amfani da ƙarancin iko, babban amo reudtion rabo tare da kewayon aiki mai amfani da ƙarfin lantarki, yana yin amfani da shi a cikin zane na dijital.Kowace na'ura ta ƙunshi abubuwa guda biyu, madaidaiciyar madaidaiciya ta hanyar zagaye.

Sauyawa da daidaitattun abubuwa

• CD74AC74

• Hef40312b

• mc74f74

• Sn74als74

• 74ht74

• 74lv2G80

Sanya fayil da ayyukan 74ls74

74ls74 yana da fil da sunaye da sunayensu da ayyukanta kamar haka ne.

PIN 1 (1clr (Bar): Sake saita murfin murfin ta share ƙwaƙwalwar sa

Fil 2 (1d): shigar da Invent Pin of Flop

Pin 3 (1Clk): Dole ne a samar da waɗannan fil na bugun jini don bugun zuciya don murfin murfin.

Fil 4 (1pre (Bar)

PIN 5 (1q): fitowar fil na blip

Fil 6 (1q '(Bar)

PIN 7 (VSS): An haɗa shi da ƙasa na tsarin

PIN 8 (2q '(Bar)): Pinarfin Pin of Pin of Flip Flop

Pin 9 (2q): Pin na Pin na Flip Flop

PIN 10 (2Pre (Bar)

Pin 11 (2Clk): Dole ne a samar da waɗannan fil na bugun jini don bugun fenti don murfin murfin.

Fil 12 (2D): shigar da pin of na blip

Pin 13 (2Clr (Bar): Sake saita murfin murfin ta share ƙwaƙwalwar sa

PIN 14 (Vdd / VDCC): iko da IC yana yawanci tare da 5v

Menene fasali na 74ls74?

• Tsarin kunnawa kai tsaye ne, kuma saurin amsar yana da sauri.

• Yana tattara Dual d lila kunshin-flip kunshin sanyi.

• Mafi qarancin shigarwar Inputage na matakin lantarki shine kayan lantarki biyu.

• 74ls74 yana buƙatar ƙarfin lantarki mai wadataccen wutar lantarki don yin aiki yadda yakamata kuma yana da buƙatu masu girma don gudanar da iko.

Tsarin tsari da mizani na 74ls74

Flip-flop-flop-flop-flop-flops, kowane suna nuna tashoshin tashoshi biyu (D da agogo biyu) da tashoshinsu biyu (q da / q).Wadannan blops-flops suna aiki da ingantaccen ingancin jawo, ma'ana cewa bayanai na wartsakewa yayin tashin matattarar agogo.

Lokacin da tashin hankali gefen agogo ya iso, darajar siginar shigarwar D zata kasance a cikin ƙofar isowar isowar matakin-ƙofar da ke ƙofar Dage-floop.Lokacin da tashin hankali gefen agogo ya isa canzawar, ƙimar da aka adana a cikin juji na blop, da ƙimar da aka sabunta ta hanyar fitarwa ta Q da / Q.

Sigogin fasaha na 74ls74

Hoton da ke ƙasa shine sigogi na fasaha na sn74S74an.

Menene aikace-aikacen 74ls74?

Menene aikace-aikacen 74ls74?

• Na'urar Kulle

• Mai rarrabewa

• Kabilar Snaubber

• Mai janareta

• Canjin na'urar rajista

Hanyar latching

• FSK Mykulation Circuit

4S74 na al'ada da'ira

Hoton da ke sama shine da'irar nesa wanda ya ƙunshi 74LS74.Wutar wutar lantarki ta wannan da'irar tana amfani da jigilar jigilar kaya-ƙasa da kebul na Gabas mai nisa.Lafiya yana buƙatar kulawa da hankali ga lokacin yin wannan ƙira.Yawancin lokaci tun, tunda hukumar da'ira tana da iko 220V, mu tabbatar da daidaitaccen aiki.Muna toshe wutar lantarki na kayan gida wanda ke buƙatar iko na nesa a cikin ƙwayar soket ɗin da zai iya fara amfani da shi.Kowane maɓalli akan Watsarwar Matsayi yana da lambar watsa shirye-shirye na musamman, wanda ya haifar da tasirin sakamako lokacin amfani da kowane maɓallin.Bugu da kari, da maballin maballin da kuma hanyar aiki za su shafi kulawa.

Tambayoyi akai-akai [Faq]

1. Menene 7474 IC?

7474 na'urar da take da kai.Proputi quurin zai canza kawai a gefen ƙarshen shigarwar bugun jini.Kadan Triangle a kan agogo (CP) shigar da alama ta nuna cewa na'urar tana da tabbaci-haifar.

2. Menene 74ls74 yi?

IC 74LS74 shine nau'ikan nau'in juji biyu na flip flop flops ya ƙunshi bayyanannun saiti da karin tasirin fitarwa.Yana da ikon adana bayanai ta hanyar lambobin binary kuma hakan yana zuwa tare da fasalulluka waɗanda za'a iya canza su.

3. Yadda ake amfani da 74ls74?

Yana aiki da flip-flop shine madaidaiciya.Ikon IC ta amfani da vcc da GND Pins.Kamar yadda aka ambata a baya, kowane ɗabi'ar flop-flop daban.Haɗa alamun shigarwar zuwa fil 2 da 3 don shigar da Farko na Farko, tare da fitarwa na nuna fil 5 da 6.

4. Me ake nufi da da'irar a cikin 74ls74?

Triangle yana nuna cewa siginar agogo ce ta haifar da sigari.Kewir da'irar yana nuna cewa siginar tana da karancin aiki (watau., Idan aka ja layi).74ls74 yana da agogo mai kyau mai kyau (low zuwa babban).

5. Ta yaya aikin dala na dala na drip?

Drip-flop-flop-fotauki darajar d-shigarwar a kan tabbataccen sashi na sake zagayowar agogo (kamar ta gefen tashin agogo).Wannan darajar da aka kama ta zama abin fitarwa.A wasu lokuta, abubuwan fitarwa q ba ya canzawa.Za'a iya kallon flop-flip azaman tantanin ƙwaƙwalwa, riƙe sifili-oda, ko layin jinkirin.