对比图
型号 SN74193N SNJ54193J SN54193J
描述 同步4位加/减计数器（双时钟有明确的） SYNCHRONOUS 4-BIT UP/DOWN COUNTERS (DUAL CLOCK WITH CLEAR)同步4位加/减计数器（双时钟有明确的） SYNCHRONOUS 4-BIT UP/DOWN COUNTERS (DUAL CLOCK WITH CLEAR)同步4位加/减计数器（双时钟有明确的） SYNCHRONOUS 4-BIT UP/DOWN COUNTERS (DUAL CLOCK WITH CLEAR)
数据手册 ---
制造商 TI (德州仪器) TI (德州仪器) TI (德州仪器)
分类 计数器计数器计数器
安装方式 Through Hole Through Hole Through Hole
封装 PDIP CDIP CDIP
封装 PDIP CDIP CDIP
产品生命周期 Obsolete Obsolete Obsolete
RoHS标准 Non-Compliant Non-Compliant Non-Compliant
含铅标准 Contains Lead Contains Lead Contains Lead