1、 -111.1.2 010110100114123MSBLSB0 1 2 11 12 msT=10msf=1/T=1/0.01s=100HZq=1ms/10ms*100%=10%1. 21.2.2 42.2127 42.7182127D=-1=10000000B-1=1111111B=177O=7FH 7242.718D=(10.1011)B=(2.54)O=(2.B)H1. 41.4.18421BCD143 3254.2543D=01000011BCD1.4.3ASCP281+ 2 3you (4)43ASC1+ASC010101100101011B=2BH2ASC1000000,(0100
2、0000)B=(40)H(3)youASC1111001,1101111,1110101,79,6F,75(4)43ASC0110100,0110011,34,331. 6-1.6.11. 6.1AB-L: (a) (b) - 2.1.1 (3)ABABAB=+AB=AB+ABABABABABABAB+AB00010110110000101000011001112AB+AB2.1.3 -(3)()AABCACDCDEACDE+=+()AABCACDCDE+(1)ABCACDCDE=+AACDCDE=+ACDCDE=+ACDE=+2.1.4 (3)()ABCBC+()ABCBC+()(ABCBC
3、=+ABACBBBCCBC=+(1ABCABB=+ABC=+(6)()()()(ABABABAB+()()()(ABABABAB+()()ABABABAB=.+.+BABAB=+ABB=+AB=+AB=(9)ABCDABDBCDABCBDBC+ABCDABDBCDABCBDBC+()()()()ABCDDABDBCDCBACADCDBACADBACDABBCBD=+=+=+=+=+2.1.7 -(1) LABAC=+(2)()LDAC=+(3)()(LABCD=+2.2.2 LABCDL(,)LABCDBCDBCDBCDABD=+2.2.3 1ABCDABCDABADABC+ABCDABCDA
4、BADABC+()()()()()ABCDABCDABCCDDADBBCCABCDD=+ABCDABCDABCDABCDABCDABCDABCD=+6 (,)(0,2,4,6,9,13)(1,3,5,7,11,15)LABCDmd=+LAD=+7 (,)(0,13,14,15)(1,2,3,9,10,11)LABCDmd=+:LADACAB=+2.2.4 -LABBCCA=+,-:1-ABCL000000110101011110011011110111102-3,-LABBCAC=+LABBCACABBCAC=+=4-3.1 MOS-3.1.13.1.1- 3.1.1 -(min)/OHVVV
5、OL(max)/V(min)/IHVV(max)/ILVV-A2.40.420.8-B3.50.22.50.6-C4.20.23.20.83.1.1-3.1.13.1.2-ANHAV=2.4V2V=0.4V (min)OHV(min)IHV(max)NLAV=0.8V0.4V=0.4V (max)ILV(max)OLV-BC:NHBV=1VNLBV=0.4VNHCV=1VNLCV=0.6V,-C3.1.33.1.3,-,-3.1.3 -/pLHtn/pHLtn/DPmW-A11.216-B568-C10101:-,DP= tpdPD-ADP =2PLHPHLtt+DP=(11.2)2ns+*
6、16mw=17.6* 1210.J=17.6PJ: BDP=44PJ CDP=10PJ,-DP,-C.3.1.5 74HCCMOS+5V,-0: (1); (2)1.5V; (3)0.1V; (4)10k.:74HCCMOS,:OLV=0.1V, ILV=1.5V,:(1) =02.1VT1T2T3VB12.4VT112VB12.1V410k3.2.83.2.2VI=(Vcc-VBE)=105-0.710+4=3.07VT1VBI=3.07+ VBE=3.07+0.5=3.57 VVBI2.1VVBI=2.1VT1T2T3VBI2.1VRI=10kT113.2.3 74LS0474ALS047
7、4LS041274LS04174LS0474LS04A74LS0474ALS0474LS04=8mA,=0.4mA;=0.02mA. (max)OLI(max)OHI(max)IHI474LS044=4(max)ILI0.4mA=1.6mA,4=4(max)IHI0.02mA=0.08mA274ALS042=2(max)ILI0.1mA=0.2mA,2=2(max)IHI0.02mA=0.04mA -3.2.3a74LS04-474ALS044=0.08mA0.08mA+0.04mA=0.12mA.74LS040.4mA-(max)IHI 3.2.3b1.6mA+0.2mA=1.8mA.74L
8、S048mA274LS04-3.2.4 3.2.474LS035CMOS-OC=0.2mA=4V,=1V,=1A-A74LS03=2.7V=0.5V=8mA.3.1.63.1.7-3.2.4a74LS03=5(min)OHV(max)OLV(max)OLI(ILtotalIILI=50.001mA=0.005mA,=(min)pR(max)(max)()DDOLOLILtotalVVII.=(54)(80.005)VmA.0.56K-3.2.4b74LS03(IHtotalI=5IHI=50.001mA=0.005mA =4V (min)OHV(min)IHV(min)OHV(max)PR=(
9、min)()()DDHOLtotalIHtotalVVoII.+=(54)(0.20.005)VmA.=4.9KPR0.564.93.6.7 (LED),LEDFV=2.5V, DI=4.5Ma;=5V,LED,-.CCV:3.6.7,74LSO4,=8mA, =0.5V, (max)OLI(max)OLVR=(max)CCFOLDVVVI=(52.50.5)4.5vmA444 - 412 -A.B4.1.2-412.bmp4121.bmp-LABABAB=+=-A.B104122.bmp421 23-3031 -1 A.B.CLA B C L000000100100011110011011110111112 -4211.bmp* LABCABC=+=3 2- 4212.bmp427 2 1AB.C.D10LL10 A B C D L000000001000100001100100001010011000111110000100111010110111110011101111101111112-
