Ho hlahloba 74LS74: Tlhahlobo e qaqileng ea mesebetsi ea PIN, 'me u sebelise linyeoe
2024-07-22 2017

The 74Ls74 ke e 'ngoe e habeli ea li-flop tse nang le lits'ebetso tse fapaneng.Sengoliloeng sena se tla hlahisa khoebo le mesebetsi ea PINS74) Mesebetsi le Molao-motheo oa Bohlokoa

Catalog

D Flip-flop ke eng?

D Flip-Florep ke sesebelisoa sa mohopolo sa tlhahisoleseling ka ts'ebetso ea memori le linaha tse peli tse tsitsitseng tsa ho boloka data ea 1-bit ea binary.Ke yuniti ea motheo ea mantlha e nang le lipotoloho tsa nako, empa hape le potoloho ea bohlokoa liponong tsa bongaka tsa dijithale.Ka hona, D Flip-Flop e na le likopo tse fapaneng tsa lits'ebetso tsa litsamaiso tsa dijithale le likhomphutha.Flip-Florep e na le likarolo tse peli tse tsitsitseng, i.E. 0 le 1. Tlas'a ketso ea lipontšo tsa kantle, e ka oela boemong bo bong bo tsitsitseng ho ea ho e 'ngoe.

D Flip-Flop (data ea data-Florep kapa e liehang) e na le liheke tse 'ne le tse seng lisosa tsa g1 le g2 litsong tsa mantlha tsa Rs Flip-flop.Ha lekhoba la makhoba a sebetsa ka mokhoa oa maemo a tjantjello, lets'oao le lokela ho kenya letsoho pele ho cheka e tlokotsing e tla.Haeba letšoao le ferekanyang le teng ho tlatsetso nakong ea CP e Phahameng, boemo ba Flop-Flop bo ka 'na ba fosahetse.Leha ho le joalo, li-trigger tse matla li lumella letšoao ho kenya letsoho la bobeli pele ho mothating oa CP.Sena se fokotsa nako e ngata nako ea hore e hlahisehe e ferekaneng, ka hona e fokotsa monyetla oa ho sitisoa.Edge D Flip-Flop e boetse e tsejoa e le e-ba lesela le thibelang Dlocking D Flip-Flop.Age D Flip-Florep e ka etsoa ka ho kopanya letoro la D Flip-Flops ka har'a lihlooho tse peli

Kakaretso ea 74Ls74

74LS7LS7LSS7LSS ke e habeli ea li-f flip-flop e entsoeng ke semicondtor.E ka sebelisoa e le oscillator, ngodisa, ho ingolisa ngodisa, le khalase ea khafetsa.E na le litšobotsi tsa tšebeliso ea matla a tlase, u lerata le phahameng la molumo oa ho hlahisa likhohlano, ho u sebelisa hohle ho Digicture potoloho ea potoloho ea dijithale.Sesebelisoa se seng le se seng se na le tse peli tse ts'oanang le tse ikemetseng tsa potoloho ea potoloho ea potoloho.

Liphetoho le ho lekana

• CD79Act74

• Hef40312B

• MC74F74

• SN74Als74

• 74hct74

• 74LV2G80

PINDFIGING le mesebetsi ea 74LS74

Li-74ls74 li na le likhaba tse 16 'me mabitso a tsona le mesebetsi ea tsona li tjena.

Pini ea 1 (1clr (Bar): E feta Flip Foop ka ho hlakola memori ea eona

PIN 2 (1D): Pini ea Kenya ea Flip Flop

PIN 3 (1CLK): Litšopo tsena li lokela ho fanoa ka phokotso ea masela bakeng sa flip flop.

Pin 4 (1pre (Bar)): Pini e 'ngoe e kenyang Flip Flop

Pin 5 (1Q): Pini ea UPP ea Flip Flop

Pin 6 (1q '(Bar)): Pini e kentsoeng e kenyellelitsoeng ea Flip flop

Pic ea 7 (VS): e hokahane le fatše ea sistimi

Pin 8 (2Q '(Bar)): Pini e kentsoeng e kenyellelitsoeng ea Flip flop

PIN 9 (2Q): Pini ea tlhahiso ea Flip flop

Pin 10 (2pre (Bar)): Pini e 'ngoe e kenyang Flip Flop

PIN 11 (2CLK): Litšopo tsena li lokela ho fanoa ka phokotso ea masela bakeng sa flop ea flip.

PIN 12 (2D): Pini ea Kenya ea Flip Flop

Pin 13 (2clr (Bar): E remala flip flop ea ho hlakola memori ea eona

Pini ea 14 (VDD / vcc): Matla a IC hangata ka 5v

Likarolo tsa 74Ls74 ke life?

• Ts'ebetso ea ts'ebetso ea ts'ebetso e otlolohile, 'me lebelo la karabo ea lona le potlakile.

• E tloaetse ho etsa khoebo ea IC ea DAG-Florep.

• Boleng ba Voltage e tlase e le boleng ba voltage e hlahisoa ke lipono tse peli.

• 74L74 e hloka lithempasi tsa matla a motlakase tsa matla a matla a matla a ho sebetsa hantle 'me li na le litlhokahalo tsa taolo ea matla.

Sebopeho le molao-motheo oa 74Ls74

The 74Ls74 Flip-Flop e na le para ea D Flip-Foop, e 'ngoe le e' ngoe e nang le li-furuminals tse peli tsa ho kenyaHo na le li-flop tsa D Flip-Flops tse sebetsang tse ntle tse matla, ho bolelang hore data e khathollotsoe nakong ea pheletso ea nako ea nako.

Ha pheletso e ntseng e phahama ea oache e fihla, boleng ba sesupo sa ho kenya D li tla bolokoa kahare ho heke ea li-heke tsa Gate-Foo-Flop.Ha leqhubu la nako le chaba, boleng bo bolokiloeng kahare ho D Flip-Florep e tla qala ho fana ka mofuta oa li-flop-flop.

Li-paramente tsa mahlale tsa 74Ls74

Setšoantšo se ka tlase ke litekanyetso tsa tekheniki tsa SN7LS74AN.

Likopo tsa 74Ls74 ke life?

Likopo tsa 74Ls74 ke life?

• Sesebelisoa sa ho notlela

• Seaparo sa Clock

• Potoloho ea Snubber

• jenereithara ea pulse

• Sesebelisoa sa Shift ngodisa

• Mochini oa ho Latela

• FSK Foromo ea Mefuta ea Fsk

4LS74 Potoloho ea Ts'ebeliso ea Ts'ebeliso

Setšoantšo se kaholimo ke potoloho ea taolo e hole ea 74LS74.Thoko ea motlakase ea potoloho ena e sebelisa potoloho ea mohato-tlase halofo ea li-wave tse re thusang.Polokeho e hloka ho ela hloko ha ho etsa moralo ona.Hangata, kaha Boto ea potoloho e na le matla a ho hlona a 220V, re lokela ho netefatsa ts'ebetso e nepahetseng.Re tšolla plug ea motlakase ea sesebelisoa sa lelapa se hlokang taolo ea methapo ea motlakase CZ, ebe re ka qala ho e sebelisa.Lengolo le leng le le leng le holim 'a transmitter ea taolo ea hole e na le khoutu e ikhethang ea phetiso, e bakang litlamorao tse fapaneng ha u sebelisa senotlolo se seng le se seng.Ntle le moo, mokhoa oa ho hlophisoa le mokhoa o sebetsang le ona o tla ama taolo.

Lipotso tse botsoang khafetsa [FAQ]

1. Lei la 7474 le joang?

Li-7474 ke sesebelisoa se tukang.Tlhahiso ea li-QO e tla fetoha feela pheletsong ea pulse ea tlhahiso.Li-kitch tse nyane ka nako ea nako ea nako

2. A 74ls74 e etsa eng?

Leq la 74LS74 ke karolo e habeli ea mofuta oa li-blop tse halikiloeng tsa flip e nang le limela tse hlakileng le li-tefiso tsa ho tlatsa.E na le bokhoni ba ho boloka data ka mokhoa oa linomoro tsa binary mme e tla le likarolo tse bolokiloeng tsa data li ka fetoloa ha ho hlokahala.

3. U ka sebelisa 74Ls74 joang?

Ho sebetsa pele ho phoqa ho otlolohile.Matla a IC a sebelisa VCC le Gnd.Joalokaha ho boletsoe pejana, ho sebetsa ka seng ho 'ngoe le e' ngoe ea li-flop.Kopanya lipontšo tsa ho reka ho Pins 2 le 3 ho kenya letsoho la pele

4. Circle e bolelang ho 74Ls74?

Triangle e bontša hore lets'oao la nako ke letšoao le susumetsang.Sekgaieng se supa hore lets'oao le le mafolofolo (ke hore., A koaheloa).Li-74Ls74 li na le kobo e ntle-pele (e tlase ho ea holimo).

5. Sebetsa sa DAL se hlaphoheloang se felileng joang?

D Flip-Flop e hapa boleng ba D-Flop ka karolo e hlakileng ea potoloho ea liaparo (joalo ka pheletso ea oache).Boleng bo hapiloeng bo fetoha tlhahiso ea li-Q.Ka linako tse ling, Q ha e fetohe.D Flip-Florep e ka nkoa e le sele ea memori, e le hore zero-ord e na le mohala oa ho lieha.