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序号 型号 描述 大小 厂家Logo 下载
541 DM74LS190 Synchronous 4-Bit Up/Down Counters with Mode Control 178K NSC 4225217
542 DM74LS190 Synchronous 4-Bit Up/Down Counters with Mode Control 178K NSC 5172134
543 DM74LS190J/A+ Synchronous Up/Down Counter 181K 暂无图片 3552679
544 DM74LS190M Synchronous 4-Bit Up/Down Counters with Mode Control 178K NSC 4225216
545 DM74LS190M Synchronous 4-Bit Up/Down Counters with Mode Control 178K NSC 5172133
546 DM74LS190N Synchronous 4-Bit Up/Down Counters with Mode Control 178K NSC 5172132
547 DM74LS190N Synchronous 4-Bit Up/Down Counters with Mode Control 178K NSC 4225215
548 DM74LS190N/A+ Synchronous Up/Down Counter 181K 暂无图片 3552677
549 DM74LS190N/B+ Synchronous Up/Down Counter 181K 暂无图片 3552676
550 DM74LS191 Synchronous 4-Bit Up/Down Counters with Mode Control 178K NSC 4225213
551 DM74LS191 Synchronous 4-Bit Up/Down Counters with Mode Control 178K NSC 5172131
552 DM74LS191 Synchronous 4-Bit Up/Down Counter with Mode Control 74K FAIRCHILD 4225214
553 DM74LS191J/A+ Synchronous Up/Down Counter 181K 暂无图片 3552674
554 DM74LS191M Synchronous 4-Bit Up/Down Counters with Mode Control 178K NSC 4225211
555 DM74LS191M Synchronous 4-Bit Up/Down Counter with Mode Control 74K FAIRCHILD 4225212
556 DM74LS191M Synchronous 4-Bit Up/Down Counters with Mode Control 178K NSC 5172130
557 DM74LS191MX Synchronous Up/Down Counter 74K FAIRCHILD 3552672
558 DM74LS191N Synchronous 4-Bit Up/Down Counter with Mode Control 74K FAIRCHILD 4225210
559 DM74LS191N Synchronous 4-Bit Up/Down Counters with Mode Control 178K NSC 5172129
560 DM74LS191N Synchronous 4-Bit Up/Down Counters with Mode Control 178K NSC 4225209
561 DM74LS191N/A+ Synchronous Up/Down Counter 181K 暂无图片 3552669
562 DM74LS191N/B+ Synchronous Up/Down Counter 181K 暂无图片 3552668
563 DM74LS192 54LS192/DM74LS192 Up/Down Decade Counter with Separate Up/Down Clocks 158K NSC 4225208
564 DM74LS192 54LS192/DM74LS192 Up/Down Decade Counter with Separate Up/Down Clocks 158K NSC 5063824
565 DM74LS192J/A+ Synchronous Up/Down Counter 236K 暂无图片 3552667
566 DM74LS192M 54LS192/DM74LS192 Up/Down Decade Counter with Separate Up/Down Clocks 158K NSC 4225207
567 DM74LS192M 54LS192/DM74LS192 Up/Down Decade Counter with Separate Up/Down Clocks 158K NSC 5063823
568 DM74LS192N 54LS192/DM74LS192 Up/Down Decade Counter with Separate Up/Down Clocks 158K NSC 5063822
569 DM74LS192N 54LS192/DM74LS192 Up/Down Decade Counter with Separate Up/Down Clocks 158K NSC 4225206
570 DM74LS192N/A+ Synchronous Up/Down Counter 236K 暂无图片 3552665