74F191PC数据手册PDF_74F191PC中文资料-锐单商城

74F191PC概述

向上/向下二进制计数器，预置和纹波时钟 Up/Down Binary Counter with Preset and Ripple Clock

Counter IC Element Bit

得捷:
IC COUNTER DECADE UP/DOWN 16-DIP

贸泽:
计数器移位寄存器 Up/Down Binary Ctr

Chip1Stop:
Counter Single 4-Bit Async Binary UP/Down 16-Pin PDIP Rail

罗切斯特:
Counter Single 4-Bit Async Binary UP/Down 16-Pin PDIP Rail

Win Source:
Up/Down Binary Counter with Preset and Ripple Clock

74F191PC数据文档