数字电子技术考试题及答案

太原科技大学B数字电子技术课程试卷卷题号一二三四五六七八九十总分分数1请将本题答案全部写在下表中123456789BBADCC题号答案BADCABADC码(n。21n22n12nD、、、、n(、通过100100k(YA(B)。、YB、YA、YAB、YABF(,B,C)函数的真值表中Y1(.、YC、Y、YC、YBCCA和.ABABABAB、、、、QQ和Kn1JQ,KQJKQJK0JQ,K1、、的877、、(8(的的、3线2线12线。4线共6页第1页(,.(B5FF21F()(ABABC)(ADBC)F(,B,C,D)m(0,1,2,8,10,12,13,14,15)12ABBDABC（分）(ABCABC)(ADBC)ABC(ADBC)ABC(ADBC)(ABCDABC)0(2)2CD00011110ABABC(3)111000111111111013或题3CC3kΩ50KΩCC&V&VV=1YVVYIH1&YIHY5IHIH32Y4IL50kΩ1500ΩCC100kΩCC(a)(b)(c)(d)(e)图题3.1表题））1)11))1))1))1四、；MAC，M题3题2题5XABCABCABC,YABCABCABC,ZABCABC3)共6页第2页表题1ABCXYZABC0010001100101001101000010010101000111001210Y0&&XYY1Y2Y3Y1S1S2S34Y5Y&Z672YQCLK1YAQQAQYJK=1CLK图图题5.2表题。2KAQA/Y0/0J2QA0011Q0101Y10000/11/01/0AQQ1100Qn1201QAY22图题5.32)3223：21)21表题1000110Q1Qn10n1QQ1Q0FF0FF1011QQ10JJC1KC1K11CLK图题6.2图题6.1共6页第3页2；QQQQQ,QQQQQ)JKQ,JK1(2)n11n10210101010110221QQQQDCBA74LS16074LS161表题7.11CPCLRLOADEPET工作状态QAQBQCQDQAQBQCQD101111置零10111预置数ABCDABCD010保持保持计数11图题7.11为322CLRLOADEPCLRLOADEP1RCORCO11QAQBQCQDQAQBQCQDETETCLKCLKCLK&ABCDABCD74LS16174LS161图题7.2题T12分)1题2的QB2分2题题1中的V=3题2V3oQQQQ。DCBACLKQB图题8.2共6页第4页&2.56VREFQAQBQCAAAAI/OI/OI/OI/ODDDCLR00120LOADEPETRf12121QDDDDDDIOUT1OCLK33A3+IOUT2ABCD1R/WCS4567RCOROM74LS161DAC0832Vcc1(4)(8)CLRLOADEPETCLKABCDRCORESETVccR22.2kΩ(7)(6)DISCQAQB(3)(5)ROUTCONΩ1THTRQCQD0.1uFC23300pFC1GND(1)74LS160图题8.1表题10111111111111011(2)ln244103300100.690.1RRCms、T312112000011110000110100011111100101110011111111000010Q2TB134、计(1分)2态与输出电压QQQQDDDD2DCBA3102.560000000100100011010001010110011110001001101000000001001101111111111111111111011100110001V(0)V82.568OV(1)10mVO2.5682.56V(3)30mV(7)70mV(15)150mV(15)150mV(15)150mV(15)150mV(7)70mV(3)30mV(1)10mVOV8O2.568VO2.568VO2.568VO2.568VO2.568VO2.568VO2.568V共6页第5页Oo/mV1501401301201101009080706050403020100000000100100011