數(shù)電大作業(yè)交通指示燈+電子琴+智能鐘表

、74390構(gòu)成六進(jìn)制計數(shù)器0.5%100QR1VCCU1vccgOBocODOEOFOGABCDSI蠱亠?亠士CAG3CC811-111CLR皿陽74HC390N6V0.5%100QR1VCCU1vccgOBocODOEOFOGABCDSI蠱亠?亠士CAG3CC811-111CLR皿陽74HC390N6V1274LS47N74390構(gòu)成六進(jìn)制計數(shù)器5、74390構(gòu)成六十進(jìn)制計數(shù)器

U7A U7B74LS00D 74LS00D一-—100QR20.5%-LT-RBI-BI/R30A3CMirNA1QAVINB1QB1CLR1QC1QD74He390N-GVVCC74LS47N~~I~5V—wv—100QR1U7A U7B74LS00D 74LS00D一-—100QR20.5%-LT-RBI-BI/R30A3CMirNA1QAVINB1QB1CLR1QC1QD74He390N-GVVCC74LS47N~~I~5V—wv—100QR10,5%-LT-RBI-BI/R30GNDA3CD74LS47N74390構(gòu)成六十進(jìn)制計數(shù)器6、74390構(gòu)成二十四進(jìn)制計數(shù)器C1—6.2uFU7A74LS00DR3--A/W1kQ0.5%U7B74LS00DV￡C5V100；.R20.5%I1CU<74HC390N6V?Bl/RIK)⑵D 74LS47NC1—6.2uFU7A74LS00DR3--A/W1kQ0.5%U7B74LS00DV￡C5V100；.R20.5%I1CU<74HC390N6V?Bl/RIK)⑵D 74LS47N?XO>1INK心1QC1QO>>1XJibIGAiceIQC1Q01CU<-LT-KB1-bi/RaoCND74LS47NVCC1DE■mu■74390構(gòu)成二十四進(jìn)制計數(shù)器7、校時電路

校時電路（分校時時，不會進(jìn)位到小時）8、總設(shè)計電路圖（仿真結(jié)果）BVCCU16 274LS47N_￡U1474LS47N,-：u““Jf5R4■100；；0U4R2FU574LS47N^2asQs2.U123U3B..J]]0U11AU2J65VVCCL2{74L^0^—:CI.RVCC74LS51N0:U20BUZ1CrvwS?H190N774LS390NU11B~WtSWM~—25k；.0.5%795V|_2VCC74tSWtgX^tONr貰X匕I o174LS390NU23A)22B9310kHzU14i74LS小<*euff-3u“74LS47N；=..v…?^叱U1$hul_Ir6I⑷<U fil_Il_lBMW|J▲A? >a■ )Q.??1、：1—：>C14 LU10 ?74LWN二ElJK▲0"■4??>vvg。vvo上U11/?4入々??83Key-A74LS51Nrr^K 63|U1"74LSW0MH1U17B7^號11r7^:二：I74l￡^i^3-戦、_owcpU5274LS47M74LS47N