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74LS221 datasheet pdf 下载

序号 型号 描述 大小 厂家Logo 下载
1 74LS221 LOW POWER SCHOTTKY 123K ON 74LS221
2 74LS221 Dual Non-Retriggerable One-Shot with Clear and Complementary Outputs 111K FAIRCHILD 74LS221
3 74LS221 74LS221 双单稳态触发器 54K 暂无图片 74LS221
4 74LS221N DUAL MONOSTABLE MULTIVIBRATORS WITH SCHMITT-TRIGGER INPUTS 198K MOTOROLA 74LS221N
5 74LS221N LOW POWER SCHOTTKY 123K ON 74LS221N

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