常用集成電路引腳圖

1、常用集成電路引腳圖774LS00VCC484A4Y383A3YMIBIt2A20nGND74LS0274LS074LS1074LS1174LS21AIB1G1CID1YGN口戲tillVcc2D2C2G2B2A2丫414l4iil4l4UnrVccIBKMIDIC1Y74LS2274LS2574LS5174LS5474LS5574LS7ly二U口允/GND：u7；“ncSir如立國(guó)L%M加.鼠臼團(tuán)向FinFimn1力1-nHurn£Ttn2Er1?5ID20p；i.Vet;M：l,而EJLJULJLJLdLJLJ83配&平EE74LS7474LS7574LS85.t煙煙gAW

2、VEI;11：Hh/.!>L-I，thr斷工krhv,vF1GND輸內(nèi)k-叫-wVCC'：KUIKklIF'HKIU;GND74LS8674LS9074LS11274LS12174LS12674LS132Ut4R4A4¥3B1AWV)74LS32ninidr燈也由鹵draIAIRJY2AJR2YQNDU.IB4A4¥IV3A回回舊_網(wǎng)回回國(guó)Ly)CD4071IAIBIY2YHB2AGNO或門電路有四2輸入或門74LS32和CD4071liH., 克酒廠一j / ZS VCC 加 以 ill t EM 2Yil1G 1A IB 1y0 1Y11Y21Y3

3、 GNn74LS13974LS15374LS16074LS161VCC4U朝41)勒閔：4IKtl174LS175幡N漳ID明場(chǎng)“GND74LS18374LS194Ao丫0A、Yi、Y2,V371LS138y；LULJLJEE巨叵A0A:%G2AGlY;XDGLo)£345eVHYYYYYYYEl富-(Sl-E-U.4H4A+Y3¥IB回網(wǎng)一回同回回皿包I)CD40S1E牛.山山山山由lirtr1AIB1Y2¥2B認(rèn)GND與門電路有四2輸入與門74LS08和CD4081G,VCAlA2CTFILEK3MGNDcd4511管腳功能介紹如下:LE:鎖定控制端，當(dāng)LE=

4、0時(shí)，允許譯碼輸出。LE=1時(shí)譯碼器是鎖定保持狀態(tài)，cd4511輸出被保持在LE=0時(shí)的數(shù)值。A1、A2、A3、A4、為8421BCD碼輸入端。a、b、c、d、e、f、g：為譯碼輸出端，輸出為高電平1有效。BI:4腳是消隱輸入制端，當(dāng)BI=0時(shí)，不管其它輸入端狀態(tài)如何，七段數(shù)碼管均處于熄滅（消隱）狀態(tài)，不顯示數(shù)字。LT:3腳是測(cè)試輸入端，當(dāng)BI=1,LT=0時(shí)，譯碼輸出全為1,不管輸入DCBA狀態(tài)如何,七段均發(fā)亮，顯示“8”。它主要用來(lái)檢測(cè)數(shù)碼管是否正常。一整、VocF£pC&A.1L,vEDCBLc一1!_B?Lnrrun芭電業(yè)口總業(yè)GH0IKffi74LS280兆許Voc

5、RqRD7D7QBQ6D5D5QGL】【日】齊】j1口寸窗3Y口個(gè)產(chǎn)ir口oj(AQ11HG1'Li1AIQID20203Q304D40GND商停帶制74LS373VCCS3A3£3N叫&CA時(shí)曲5】1砒瑁叫打中邨LIIgJO口耨麗法pZ£山一呼鯨£!¥斗呼f112M3|4|5|口)|?|8尸12>2IIAiblcoGND74LS283VccPRCKK3電Kq問(wèn)同但叵1的WI周)LLILU凹LULU回ILLINCCLRJJaJ3QGND74H729CD4009B門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