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74LS90 datasheet pdf 下载

序号 型号 描述 大小 厂家Logo 下载
1 74LS90 DECADE COUNTER; DIVIDE-BY-TWELVE COUNTER; 4-BIT BINARY COUNTER 112K MOTOROLA 74LS90
2 74LS90 Decade and Binary Counters 135K NSC 74LS90
3 74LS90 Decade and Binary Counters 62K FAIRCHILD 74LS90
4 74LS90 DECADE COUNTER; DIVIDE-BY-TWELVE COUNTER; 4-BIT BINARY COUNTER 112K MOTOROLA 74LS90
5 74LS90PC Asynchronous Up Counter 122K 暂无图片 74LS90PC