74AC191SJ

加/减计数器预置电压和纹波时钟 Up/Down Counter with Preset and Ripple Clock

Counter IC Binary Counter 1 Element 4 Bit Positive Edge 16-SOP

得捷:
BINARY COUNTER, AC SERIES

贸泽:
Counter Shift Registers Up/Down Counter

艾睿:
Counter Single 4-Bit Async Binary UP/Down 16-Pin SOP-II Rail

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