74HCT191N,652概述
74HCT191 - Presettable synchronous 4Bit binary up/down counter DIP 16Pin
计数器 IC 二进制计数器 个元件 钻头 正边沿 16-DIP
得捷:
IC COUNTER UP/DOWN SYNC 16-DIP
安富利:
Counter Single 4-Bit Sync Binary UP/Down 16-Pin PDIP Bulk
Verical:
Counter Single 4-Bit Async Binary UP/Down 16-Pin PDIP Bulk