反相器驱动器LS04LS05LS06LS07LS125LS240LS244LS245与门与非门LS00LS08LS10LS11LS20LS21LS27LS30LS38或门或非门与或非门LS02LS32LS51LS64LS65异或门比较器LS86译码器LS138LS139寄存器LS74LS175LS37374系列：：74LS00TTL2输入端四与非门74LS01TTL集电极开路2输入端四与非门74LS02TTL2输入端四或非门74LS03TTL集电极开路2输入端四与非门74LS04TTL六反相器74LS05TTL集电极开路六反相器74L