HITACHI HD74HCT563/HD74HCT573 Octal Transparent Latches (with 3-state outputs) 数据手册 描述:HD74HCT563/HD74HCT573是八位透明锁存器，带有三态输出。当锁存使能（LE）输入为高电平 […] 查看更多 →
