1、附錄三常用集成電路芯片管腳及功能Vcc4B4Y4A3ESY?IIIIIIIVccY4B4A4YsB?A3141312111038:74LS001234567i413121110g8)74LS02123456TAlBlY1A2EiY2地四2輸入與小門功能：Y=麗1AlBlY2ASBS地四2輸入映門功能二丫二而+VccfiASY5A5Y4A4Y_J_I_I_I_I_I_L14131211109374LS04123456T1A1Y2A2Y3A3YGND六非門功能仃二五+Vcc6A6Y5A5Y4A4Y_J_I_I_I_I_I_L14131211109374LS0612345671A1Y2A2Y3A3Y

2、GND六反相緩沖/膽硬器(OCH)功能二丫總VccIC1Y3C3B3A3Y141312111098)74LS111234567+Vcc6A5Y5A5Y4A4YIIII14131211109374LS141AIB2A2B2C2Y三3輸入與門功能:Y=ABC二4輸入與非門功能:丫=而曲1A1Y2A2丫3A3YGNU六施密特芒門功能:丫二五Vcc4B4A4Y的曲3Y_J_I_I_I_I_I_L1413K111038T4LS3212345671AIE1Y2A252YGITO四2輸入或門功能：Q=A+3Vcc4B4A4Y3B3A3YI_I_I_I_I_I_L141312111098)74LS371234

3、567VccICIBIFIEID1YI_I_I_I_I_I_L141312111098)74LS5112345671AIB1Y2A2B2YGND1A2A2B2C2D2Y地四2輸入與非|工OC門功能：Y=AB3、2輸入與或非門功能：1Y=1A-1B-1C+1D-1E-1F2Y=2A-2B+2C-2DVccA3B2A2AlBlAOBO161514131211109)74LS8512345678B3AkBABA=B地ABAB,為級(jí)連輸入四位數(shù)字比擬器Vcc4B4A4Y3B3A3Y141312111098)74LS861234567IIIIIII1AIB1Y2A2B2Y地四2輸入異或門功能：Y=A中B

4、CPINcQaQd地QbQc14131211109874LS901234567CP2RqNcVccRg網(wǎng)四位二進(jìn)制計(jì)數(shù)器可預(yù)置“0、“974LS9U功能表輸入輸出5)及Rg國(guó)QdQcQbQa110X000011X00000XX111001X0X0計(jì)數(shù)0X0X計(jì)數(shù)0XX0計(jì)數(shù)X00X計(jì)數(shù)VccIRd2Rd2CP2K2J2Sd2QIIIIIII161514131211109)74LS11212345678Yiiiiiii1CPIK1JISdIQIQ2Q地雙JK觸發(fā)器74LS112功能表輸入輸出SdRdCPJKQQ01XXX1010XXX0100XXX1111J00保持111010110101111

5、1計(jì)數(shù)111XX保持輸入輸出CrABQQ0XX01X1X01XX00110+JLIT1+1JIXT+01JIIT74LS123功能表Rext/CextiVccCEXT1QIQ2Cr2B2A2161514131211109)74LS12312345678AlBlCrlQlQ2CEXT2地REXT/CEXT2雙可再觸發(fā)單穩(wěn)態(tài)多諧振蕩器VccC4A4Q4C3A3Q3141312111098)74LS1251234567I-1IIIIIClAiQiC2A2Q2地四三態(tài)輸出總線緩沖門功能:C=0時(shí)Q=AC=1BTQ=高阻VccC4A4Q4C3A3Q3141312111098)74LS126123456T

6、ClAlQlC2A2Q2地四三態(tài)輸出總線緩沖門功能：C=1時(shí)Q=AC=0時(shí)Q=高阻VccQoQlQ2Q3Q4Q5能161514131211109)74LoAiA2S3S2SiOr地3/8譯碼器74LS1383/8譯碼器的功能SIR或S2=S3=1時(shí):Q0-Q7均為高電平.Sl=l及S2=S3=1B寸：A0A1A2的人種組合壯態(tài)分別在Q0-Q7端譯碼輸出.Vcc2G2A2B2Y02Y12Y22Y3J-l_1161514131211109)74LIIIIIII1G1AIB1Y01Y11Y21Y3地2/4譯碼器74LS1392/4譯碼器的功能GBA

7、Y0Y1Y2Y31力學(xué)11110000111001101101011010111110Vcc2SAo2D32D22D12D02Q74LS153功能表161514131211109)74LS153123456781SAID?ID?ID】ID.1Q地雙四選一數(shù)據(jù)選擇器輸入輸出SAiA.DQ1中中中0000D.%001D】D】01066011D3VccOcQAQBQCQDTLD11111111161514131211109)74LS16012345678I1111111CrCpABCDP地同步可預(yù)置十進(jìn)制計(jì)數(shù)器清零使能置數(shù)時(shí)鐘數(shù)據(jù)輸出cFPTLDCpDCBAQdQcQbQa0XXXXXXXX0000

8、1XX04dcbadcba1111XXXX討數(shù)1011XXXXX保持1x01XXXXX保持(0C=0)74LS160功能表保十?dāng)?shù)據(jù)輸出DCBAQdQcQbQa0XXXXXXXX00001XX0dcbadcba1111+XXXX計(jì)數(shù)1011XXXXX保持1x01XXXXX保持9c=0)74LS161功能表霞十六VccOcQAQBQCQDTl51111111161514131211103)74LS161123456781IIIIIIICrCpABCDP地同步可預(yù)置四位二進(jìn)制計(jì)數(shù)器置數(shù)加/減片選時(shí)鐘數(shù)據(jù)輸出LDU/DCECPDnQn0XXX000XXX11100+X加計(jì)數(shù)110IX減計(jì)數(shù)1X01X保

9、持74LS190功能表VccDaCPRCTCLDDeDdJ_1_1_1_1_L-l_L161514131211109)74LS19012345678TII1JIIIDbQbQaCEU/DQcQd地二一十進(jìn)制同步加/減計(jì)數(shù)器CrSRABCDSL地去除右移左移四位并行存取雙向移位存放器序輸入輸出功能CrSISOSLSRABCDCPQaQbQcQd10XXXXXXXXX0000清零21XXXXXXXX1QAnQBnQCnQta保持3111XXDaDeDeDd+DaDbDeDd送數(shù)41101XXXXXQbQcQd1左移51100xXXXXQbQcQd06101X1XXXX1QaQbQc右移7101x0

10、XXXX0QaQbQc8100XXXXXXXQAnQBnQCnQta保持VeeQAQBQCQD時(shí)鐘SISO161514131211109)74LS1941234567874L51M功能表VeeB3A3F3A4B4F4C4_11_L1_L1161514131211109)74LS28312345678THIIIIIIF2B2A2FlAlBlCo地四位二進(jìn)制全加器74LS283功能A4A3A2AlB4B3B2Bl+COC4F4F3F2FlVeeQ7D7D6Q6Q5D5D4Q4G74LS373功能表20191817161514131211)74LS373123456789100EQ0DODIQIQ2

11、D2D3Q3地八D鎖存器輸入輸出0EGDQ0111010000XQo1XX高阻(MSB)VccCLKRDBODB1DB2DB3DB4DB5DB6DB7VccILEWR2XFERD4D5D6D7IOUT2lOUTlA位A/D轉(zhuǎn)換人位D/A轉(zhuǎn)換電路IN3IN4IN5IN6IN7EOCD3OECLKVccGNDDIiCp1ENlOn1Q11Q2IQ3iCrVssSTRATREF()八通道A/D轉(zhuǎn)換雙BCD加法計(jì)數(shù)器AiBiQiQ2A2B2Vss四2輸入或非門(CMOS)功能：Q=rBQiAiBiCiDiNcVss二4輸入與非門(CMOS)功能：Q=CDVdd2Q2Q2CP2R2D2S14131211

12、1038)CD40131234567IQIQ1CP1RIDISVss雙D觸發(fā)器(CMOS)Vdd2Q2Q2CP2R2K2J2S_LII_LJ_II1_161514131211109)CD402712345678TIIIIIITIQIQ1CP1RIKUISVss雙J-K主從觸發(fā)器(CMOS)地TROUTRd555定時(shí)器功能表555定時(shí)器輸入輸出閾值TH觸發(fā)TR復(fù)位Rd放電口OUTXX00導(dǎo)逋1Vcc5Vcc10導(dǎo)通kVcc1不變不變CSOEVEI/Co-1/Or001o101XX讀出翌心局陰6116批繳615U11X1&Ofl1-一-一二一-呷-工-三-1-L.1-|.44-4-M_I-1M-TM-T玉_-1M_-34dl3-1一-Jn3_-工一-工-E-L.-1-1一-L.-I-,3二2-W一-21-J31衛(wèi),一二一-Hi-,!一T匚一一一三二T三一一I三-5二MTfeIT三T-.T一T工H.:TL.11-3二2J41-3_-3-zT3*-工-._-:_工-E-一-工.JJI*-4-X-2J-3)-一工-一-IM-工一-三一一上-工電工一-1.-T-工一-一上一2二148K+VccA0AsOEAidCSI