TH 1 - Bi th c hnh s 1: S m ch t h p v phn tch k t qu trn...

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Unformatted text preview: Bi th c hnh s 1: S m ch t h p v phn tch k t qu trn bi u m ph ng Tr ng tm th nghi m : kh o st s t h p v phn tch bi u ,ph ng php rt g n, m hnh v s th nghi m, nghin c u m t lo i t h p Ki n th c c b n c a th nghi m: Ph n t logic ph nh c k hi u NOT ph n t c ch c nng o tn hi u , o logic 1 u vo thnh logic 0 u ra v ng c l i Bi u di n ph n t logic NOT nh sau : Ph n t logic k hi u AND ph n t AND c ch c nng nh l m t c ng, c ng ng khi tn hi u cc u vo khng v c ng m khi cc tn hi u cc u vo . y = x (y b ng x o ng c) u vo u ra A Y 0 1 1 B ng th t A Y Bi u th c A = Y A Y t S th i gian m t h at ng S th i gian m t h at ng B ng th t Bi u th c AB = Y A Y t u vo u ra A B Y 0 0 0 1 1 0 1 1 1 A B Y B Ph n t logic k hi u OR ph n t OR c ch c nng nh l m t c ng m , ch c n c m t tn hi u logic 1 t ln m t u vo . Ph n t logic k hi u N OR ph n t NOR c ch c nng o tn hi u u ra ho c ngay u vo c a OR S th i gian m t h at ng B ng th t Bi u th c A+B = Y t u vo u ra A B Y 0 0 0 1 1 1 0 1 1 1 1 A B Y A Y B S th i gian m t h at ng NOR o c ng ra B ng th t Bi u th c A+B = Y t u vo u ra A B Y 0 0 1 0 1 1 0 1 1 A B Y A Y B Ch :NOR l ph n t logic a nng, c dng nhi u trong m ch s , c th dng NOR thay cho c ng OR c o ho c AND b ng cch : n i hai NOR m t cch thch h p cho ra OR ho c n i ba NOR cho ra AND Ph n t logic k hi u NAND ph n t NAND c ch c nng o tn hi u u ra ho c ngay u vo c a AND Ph n t logic k hi u X OR ph n t XOR c ch c nng gi ng nh c ng OR. S th i gian m t h at ng NAND o c ng ra B ng th t Bi u th c AB = Y t u vo u ra A B Y 0 0 1 0 1 1 1 0 1 1 1 A B Y A Y B Ch :NAND l ph n t logic a nng, c dng nhi u trong m ch s , b ng cch n i thch h p cho...
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This note was uploaded on 11/13/2011 for the course ECON 2 taught by Professor Khai during the Spring '11 term at MIT.

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TH 1 - Bi th c hnh s 1: S m ch t h p v phn tch k t qu trn...

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