74系列芯片引脚大全.doc

74系列芯片引脚图资料大全 (2008-04-24 17:37:47) 74系列芯片引脚图资料大全 反相器 驱动器?? 　　　　LS04 LS05 LS06 LS07 LS125 LS240 LS244 LS245 与门 与非门? 　　　　　LS00 LS08 LS10 LS11 LS20 LS21 LS27 LS30 LS38 或门 或非门与或非门?? LS02 LS32 LS51 LS64 LS65 异或门 比较器?? 　　　　LS86 译码器?? 　　　　　　　LS138 LS139 寄存器?? 　　　　　　　LS74 LS175 LS373 ?反相器: ????????? Vcc? 6A? 6Y? 5A? 5Y? 4A? 4Y??? 六非门??? 74LS04???????? ┌┴—┴—┴—┴—┴—┴—┴┐? 六非门(OC门) 74LS05???? _?? │14? 13? 12? 11? 10?? 9?? 8│? 六非门(OC高压输出) 74LS06Y = A???? ）???????????????????????? │??????????? │ 1?? 2?? 3?? 4?? 5?? 6?? 7│???????? └┬—┬—┬—┬—┬—┬—┬┘?????????? 1A? 1Y? 2A? 2Y? 3A? 3Y? GND ? 驱动器:????????? Vcc? 6A? 6Y? 5A? 5Y? 4A? 4Y???????? ┌┴—┴—┴—┴—┴—┴—┴┐???????? │14? 13? 12? 11? 10?? 9?? 8│Y = A???? ）???????????????????????? │? 六驱动器(OC高压输出) 74LS07???????? │ 1?? 2?? 3?? 4?? 5?? 6?? 7│???????? └┬—┬—┬—┬—┬—┬—┬┘?????????? 1A? 1Y? 2A? 2Y? 3A? 3Y? GND ????????? Vcc -4C? 4A? 4Y -3C? 3A? 3Y???????? ┌┴—┴—┴—┴—┴—┴—┴┐????? _? │14? 13? 12? 11? 10?? 9?? 8│Y =A+C??? ）???????????????????????? │? 四总线三态门 74LS125???????? │ 1?? 2?? 3?? 4?? 5?? 6?? 7│???????? └┬—┬—┬—┬—┬—┬—┬┘????????? -1C? 1A? 1Y -2C? 2A? 2Y? GND ? Vcc? -G? B1? B2? B3? B4? B8? B6? B7? B8┌┴—┴—┴—┴—┴—┴—┴—┴—┴—┴┐??? 8位总线驱动器 74LS245│20? 19? 18? 17? 16? 15? 14? 13? 12? 11│?）???????????????????????????????????? │??? DIR=1??? A=B│ 1?? 2?? 3?? 4?? 5?? 6?? 7?? 8?? 9? 10│??? DIR=0??? B=A└┬—┬—┬—┬—┬—┬—┬—┬—┬—┬┘?? DIR A1? A2? A3? A4? A5? A6? A7? A8? GND 页首 非门,驱动器 与门,与非门 或门,或非门异或门,比较器 译码器寄存器 正逻辑与门,与非门: ????????? Vcc? 4B? 4A? 4Y? 3B? 3A? 3Y???????? ┌┴—┴—┴—┴—┴—┴—┴┐???????? │14? 13? 12? 11? 10?? 9?? 8│?Y = AB?? ）???????????????????????? │??? 2输入四正与门 74LS08???????? │ 1?? 2?? 3?? 4?? 5?? 6?? 7│???????? └┬—┬—┬—┬—┬—┬—┬┘?????????? 1A? 1B? 1Y? 2A? 2B? 2Y? GND ????????? Vcc? 4B? 4A? 4Y? 3B? 3A? 3Y???????? ┌┴—┴—┴—┴—┴—┴—┴┐???? __? │14? 13? 12? 11? 10?? 9?? 8│Y = AB?? ）???????????????????????? │??? 2输入四正与非门 74LS00???????? │ 1?? 2?? 3?? 4?? 5?? 6?? 7│???????? └┬—┬—┬—┬—┬—┬—┬┘?????????? 1A? 1B? 1Y? 2A? 2B? 2Y? GND ????????? Vcc? 1C?