| 序号 | 型号 | 描述 | 大小 | 厂家Logo | 下载 |
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| 1 | TC74ACT521F | CMOS Digital Integrated Circuit Silicon Monolithic 8-Bit Equality Comparator | 288K |
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| 2 | TC74ACT521P | CMOS Digital Integrated Circuit Silicon Monolithic 8-Bit Equality Comparator | 288K |
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深圳市碧威特网络技术有限公司