对比图
型号 SN74LS668N SNJ54LS668J SN74LS668N3
描述 同步4位加/减计数器 SYNCHRONOUS 4-BIT UP/DOWN COUNTERSLS SERIES, SYN POSITIVE EDGE TRIGGERED 4-BIT BIDIRECTIONAL DECADE COUNTER, CDIP16, CERAMIC, DIP-16Decade Counter, LS Series, Synchronous, Positive Edge Triggered, 4-Bit, Bidirectional, TTL, PDIP16,
数据手册 ---
制造商 TI (德州仪器) TI (德州仪器)
分类 计数器主动器件
安装方式 Through Hole - -
引脚数 16 - -
封装 DIP DIP DIP
位数 4 - -
长度 19.305 mm - -
宽度 7.62 mm - -
封装 DIP DIP DIP
产品生命周期 Obsolete Unknown Unknown
RoHS标准 Non-Compliant RoHS Compliant
含铅标准 Contains Lead Lead Free -