T jefa-Flop. Ka'idar aiki, da aikin kewaye

Fararwa - mai sauki na'urar ne wani digital na'ura. Yana yana da jihohin biyu na zaman lafiya. Daya daga cikin wadannan yanayi da aka sanya wani darajar "1" da sauran "0". Na'ura matsayi, da kuma darajar da binary bayanai da aka adana a cikinsu, da fitarwa sakonni aka ƙaddara: Direct da inverted. A cikin akwati inda kai tsaye fitarwa m da aka kafa, wanda yayi dace da wani dabaru daya, sa'an nan jihar na jefa-Flop kira naúrar (da yuwuwar a inverted fitarwa yayi dace da mai ma'ana sifili). Idan kai tsaye fitarwa ne ba m, sa'an nan jawo yanayin da aka kira sifili.

Triggers suna classified ta da wadannan siffofin:

1. By Hanyar rikodin bayanai (synchronous da asynchronous).

2. Ta hanyar lura da bayanai (statistics, tsauri, guda-mataki, multistage).

3. By hanya na ganin na ma'ana sadarwa (JK-jefa-Flop, RS-triggers T jefa-Flop, D-jefa-Flop da sauran iri).

Babban sigogi na iri daban-daban triggers ne: matsakaicin tsawon lokaci da shigar da alama, da bata lokaci lokaci da ake bukata domin sauya sheka da jefa-Flop, da kuma barin aiki lokaci.

A cikin wannan labarin, bari mu magana game da irin wannan na'urar, yadda - T jefa-Flop. Irin wannan triggers da daya kawai bayanai (T) shigar, da ake kira da kirgawa labari. Ya canza ta isostoyanie bayan kudin shiga ga count (T) shigar da kowane iko alama.

Bisa ga mika mulki tebur, dokar aiki na irin jefa-flops da aka bayyana ta da halayyar lissafi: Q (t + 1) = TtQ't V T'tQt. Daga cikin lissafi shi ya bi da cewa a lokacin da ake ji wa ƙofar (T) ne a dabaru sifili, da T jefa-Flop za ta riƙe da matsayi a matsayin bugun jini fitarwa naúrar juyawa.

Tebur ya nuna cewa T-jefa-Flop yi aikin Bugu da kari aiki, kuma wannan sa a cikin suna wannan jawo kirgawa, ta bayanai (T) da shigar-kirgawa labari. Siginar da matakin a shigar da sakata bayyana sau biyu kamar yadda sau da yawa fiye da a da fitarwa (Q). Haka kuma, da T-jefa-Flop amfani da matsayin mita divider.

T-jawo asynchronous irin za a iya gina bisa biyu-mataki RS jefa-Flop tare da ƙarin sadarwa, wato: jawo fitarwa (Q) dole a haɗa da shigar da (R), da kuma wani fitarwa (Q ') tare da an shigar da (S). Data shigar da (T) zai zama synchronous shigar da (C).

A hoto na nuna wani mai T-jefa-Flop. Students aikin.

A cikin farko jiha, da bayanai shigar da jefa-Flop (R kuma S) ciyar da dabaru-sifili matakin, a lokacin da amfani da kanta (T) shigar da ma'ana sifili zai faru a dindindin kwafin jihar na farko jefa-Flop wani biyu jefa-Flop, saboda AND-NO kashi zai samar da wani dabaru daya matakin a kan shigar da biyu jefa-Flop. Idan T-jefa-Flop ne a Jihar hadin kai, sa'an nan da bayanai (R kuma S) za a kawota da matakan da sifili da daya bi da bi. A kudin shiga ga count labari na wani farko sigina daidai ma'ana daya, aka rubuta a cikin ta farko jefa-Flop dabaru naúrar. Jihar na da biyu jefa-Flop bai sauya ba, saboda matakin da sifili daga fitarwa na Nand ƙofar ba katange da yanayin. Bayan cire kirgawa bugun jini shigar da (T) da aka kafa da sifili, da kuma na biyu jawo sauya zuwa dabaru daya.

A cikin photo T-synchronous jawo. Students aikin.

Synchronous T jefa-flops an yi amfani da lokacin da suka zama dole domin wakiltar da jerin ma'ana daya yuwuwar a T jefa-Flop labari.