74hct161 - 可预置同步4位二进制计数器；异步复位
计数器 IC 二进制计数器 个元件 钻头 正边沿 16-DIP
得捷:
IC SYNC 4BIT BINARY COUNT 16-DIP
安富利:
Counter Single 4-Bit Sync Binary UP 16-Pin PDIP Bulk
Verical:
Counter Single 4-Bit Sync Binary UP 16-Pin PDIP Bulk
DeviceMart:
IC SYNC 4BIT BINARY COUNT 16-DIP