74H C 系列资料查询(一)型 号功 能74HC253双4选1数据选择器(三态)74HC257四2选1数据选择器(三态)74HC2598位可寻址锁存器74HC266四2输入异或非门(OC)74HC273八D型触发器(带清除端)74HC279四R— S锁存器74HC2809位奇偶数产生器/校验器74HC2834位二进制全加器(带超前进位)74HC2984位2选1数据选择器74HC365六缓冲器/总线驱动(同相)74HC366六缓冲器/总线驱动(反相)74HC367六缓冲器/总线驱动(同相)74HC368六缓冲器/总线驱动(反相)74HC373八D触发器(三态)74HC374八D触发器(三态)74HC377八D触发器74HC386四2输入异或门74HC390双4位十进制计数器74HC393双4位二进制计数器(异步清除)74HC540八缓冲器/总线驱动器74HC541八缓冲器/总线驱动器74HC573八D锁存器(三态)74HC574八D锁存器(三态)74HC5898位输入锁存输出移位寄存器74HC5958位输出锁存移位寄存器74HC6888位数值比较器/等值检测器74HC4002从4输入或非门74HC4015双4位串入并出移位寄存器74HC4017十进制计数器/分配器74HC404012位二进制串行计数器74HC4046锁相环74HC4049六缓冲器/电平变换器(反相)74HC4050六缓冲器/电平变换器(同相)74HC4051单8通道模拟开关74HC4052双4通道摸拟开关74HC4053三2通道模拟开关74HC406014位二进制串行计数器74HC4066四双向模拟开关74HC4520双二进制加法计数器74HC4538双精密单稳态触发器74HC45437段锁存/译码/驱动器74HC4551四2通道模拟开关74HC132四2输入与非施密特触发器74HC1383— 8线译码器/