常用集成电路引脚图

1、常用集成电路引脚图774LS00VCC484A4Y383A3YMIBIt2A20nGND74LS0274LS074LS1074LS1174LS21AIB1G1CID1YGN口戏tillVcc2D2C2G2B2A2丫414l4iil4l4UnrVccIBKMIDIC1Y74LS2274LS2574LS5174LS5474LS5574LS7ly二U口允/GND：u7；“ncSir如立国L%M加.鼠臼团向FinFimn1力1-nHurn£Ttn2Er1?5ID20p；i.Vet;M：l,而EJLJULJLJLdLJLJ83配&平EE74LS7474LS7574LS85.t烟烟gAW

2、VEI;11：Hh/.!>L-I，thr断工krhv,vF1GND输内k-叫-wVCC'：KUIKklIF'HKIU;GND74LS8674LS9074LS11274LS12174LS12674LS132Ut4R4A4¥3B1AWV)74LS32ninidr灯也由卤draIAIRJY2AJR2YQNDU.IB4A4¥IV3A回回旧_网回回国Ly)CD4071IAIBIY2YHB2AGNO或门电路有四2输入或门74LS32和CD4071liH., 克酒厂一j / ZS VCC 加 以 ill t EM 2Yil1G 1A IB 1y0 1Y11Y21Y3

3、 GNn74LS13974LS15374LS16074LS161VCC4U朝41)勒闵：4IKtl174LS175幡N漳ID明场“GND74LS18374LS194Ao丫0A、Yi、Y2,V371LS138y；LULJLJEE巨叵A0A:%G2AGlY;XDGLo)£345eVHYYYYYYYEl富-(Sl-E-U.4H4A+Y3¥IB回网一回同回回皿包I)CD40S1E牛.山山山山由lirtr1AIB1Y2¥2B认GND与门电路有四2输入与门74LS08和CD4081G,VCAlA2CTFILEK3MGNDcd4511管脚功能介绍如下:LE:锁定控制端，当LE=

4、0时，允许译码输出。LE=1时译码器是锁定保持状态，cd4511输出被保持在LE=0时的数值。A1、A2、A3、A4、为8421BCD码输入端。a、b、c、d、e、f、g：为译码输出端，输出为高电平1有效。BI:4脚是消隐输入制端，当BI=0时，不管其它输入端状态如何，七段数码管均处于熄灭（消隐）状态，不显示数字。LT:3脚是测试输入端，当BI=1,LT=0时，译码输出全为1,不管输入DCBA状态如何,七段均发亮，显示“8”。它主要用来检测数码管是否正常。一整、VocF£pC&A.1L,vEDCBLc一1!_B?Lnrrun芭电业口总业GH0IKffi74LS280兆许Voc

5、RqRD7D7QBQ6D5D5QGL】【日】齐】j1口寸窗3Y口个产ir口oj(AQ11HG1'Li1AIQID20203Q304D40GND商停带制74LS373VCCS3A3£3N叫&CA时曲5】1砒瑁叫打中邨LIIgJO口耨丽法pZ£山一呼鲸£!¥斗呼f112M3|4|5|口)|?|8尸12>2IIAiblcoGND74LS283VccPRCKK3电Kq问同但叵1的WI周)LLILU凹LULU回ILLINCCLRJJaJ3QGND74H729CD4009B门CD4011BCD4013B17CD4040BCD4043CD4051

6、BOilVDDQ01RESETCD4060BCD4068BCD4069BCLOCKA-ENABLEA-02AGM一Q4A一RESETA-V$g一- V°D- RtSETB一Q4830- Q2B一口阻一ENABLEB- CLOCKBCD4070BCD4520BMIUPUT-A1IKPUT*QaQuT,"OUT-nss-IO167”314.”I12E117IQ-Bainput一MlNflJT1UrduiBOUTCD4528BCD40106BGNDTRIGOUTRESETjVccDISCHTHRESCONT1DISCH1THRES1C0NT1RESET1OUTITRIGGND1234567141312111098ncc2DISCH2THRES2CONT2RESET20UT2TRIGNE555NE556CA3140OFFSETNULLINVINPUTTnomi皿rvNnL_FlFl31aSTROBEV+OUTPUTOFFSETNULLu