关于74系列的所有芯片的描述及技术手册，管脚图等，非常的详细。

74系列芯片总汇，总共有237个PDF文档！！！资料全不全可想而知！ SN74LS365.pdf SN7432.pdf SN74174.pdf SN7405.pdf SN7404.pdf DM74164.pdf DM7404.pdf 74LS95B.pdf 74LS90.pdf 74LS86.pdf 74LS85.pdf 74LS83A.pdf 74LS75.pdf 74LS74.pdf 74LS73A.pdf 74LS51.pdf 74LS49.pdf 74LS48.pdf 74LS42.pdf 74LS38.pdf 74LS32.pdf 74LS30.pdf 74LS28.pdf 74LS27.pdf 74LS21.pdf 74LS20.pdf 74LS153.pdf 74LS151.pdf 74LS14.pdf 74LS139.pdf 74LS138.pdf 74LS136.pdf 74LS125.pdf 74LS114.pdf 74LS113.pdf 74LS112.pdf 74LS11.pdf 74LS109.pdf 74LS10.pdf 74LS09.pdf 74LS08.pdf 74LS05.pdf 74LS04.pdf 74LS03.pdf 74LS02.pdf 74LS00.pdf 74HC943.pdf 74HC942.pdf 74HC86.pdf 74HC85.pdf 74HC76.pdf 74HC75.pdf 74HC74A.pdf 74HC73.pdf 74HC7266.pdf 74HC688.pdf 74HC648.pdf 74HC646.pdf 74HC643.pdf 74HC640.pdf 74HC623.pdf 74HC620.pdf 74HC597.pdf 74HC595.pdf 74HC594.pdf 74HC589.pdf 74HC58.pdf 74HC541.pdf 74HC540.pdf 74HC534.pdf 74HC533.pdf 74HC521.pdf 74HC51.pdf 74HC4543.pdf 74HC4514.pdf 74HC4511.pdf 74HC423A.pdf 74HC42.pdf 74HC4075.pdf 74HC4066.pdf 74HC4060.pdf 74HC4052.pdf 74HC4051.pdf 74HC4050.pdf 74HC4049.pdf 74HC4046.pdf 74HC4040.pdf 74HC4020.pdf 74HC4017.pdf 74HC4016.pdf 74HC393.pdf 74HC374.pdf 74HC373.pdf 74HC368.pdf 74HC367.pdf 74HC366.pdf 74HC365.pdf 74HC356.pdf 74HC354.pdf 74HC34.pdf 74HC32.pdf 74HC30.pdf 74HC299.pdf 74HC283.pdf 74HC280.pdf 74HC273.pdf 74HC27.pdf 74HC266A.pdf 74HC259.pdf 74HC258.pdf 74HC257.pdf 74HC253.pdf 74HC251.pdf 74HC244.pdf 74HC242.pdf 74HC237.pdf 74HC221A.pdf 74HC20.pdf 74HC195.pdf 74HC194.pdf 74HC193.pdf 74HC192.pdf 74HC191.pdf 74HC190.pdf 74HC182.pdf 74HC181.pdf 74HC175.pdf 74HC174.pdf 74HC173.pdf 74HC166.pdf 74HC165.pdf 74HC164.pdf 74HC163.pdf 74HC161.pdf 74HC157.pdf 74HC155.pdf 74HC154.pdf 74HC153.pdf 74HC151.pdf 74HC149.pdf 74HC148.pdf 74HC147.pdf 74HC14.pdf 74HC139.pdf 74HC138.pdf 74HC137.pdf 74HC133.pdf 74HC132.pdf 74HC126.pdf 74HC125.pdf 74HC123A.pdf 74HC113.pdf 74HC112.pdf 74HC11.pdf 74HC109A.pdf 74HC107.pdf 74HC08.pdf 74HC05.pdf 74HC04.pdf 74HC03.pdf 74HC02.pdf 74HC00.pdf 7486.pdf 7485.pdf 7476.pdf 7475.pdf 7474.pdf 744

里面有238个芯片地数据手册，如74HC00,74HC138,74HC148等等。

54系列和74系列的中文资料，个人认为很好。