对比图
型号 SN74390N SNJ54390J SN54390J
描述 双4位十年和二进制计数器 DUAL 4-BIT DECADE AND BINARY COUNTERSTTL/H/L SERIES, ASYN NEGATIVE EDGE TRIGGERED 3-BIT UP DECADE COUNTER, CDIP16, CERAMIC, DIP-16双4位十年和二进制计数器 DUAL 4-BIT DECADE AND BINARY COUNTERS
数据手册 ---
制造商 TI (德州仪器) TI (德州仪器) TI (德州仪器)
分类 逻辑芯片
安装方式 Through Hole - -
封装 PDIP DIP DIP
产品生命周期 Obsolete Unknown Unknown
RoHS标准 Non-Compliant RoHS Compliant RoHS Compliant
含铅标准 Contains Lead Lead Free Lead Free