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74145 TTL BCD—十进制译码、驱动器
These BCD-to-decimal decoders/drivers consist of eightinverters and ten, four-input NAND gate...
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74145 TTL BCD—十进制译码、驱动器
These BCD-to-decimal decoders/drivers consist of eightinverters and ten, four-input NAND gate...
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7409 TTL集电极开路2输入端四与门
This device contains four independent gates each of whichperforms the logic AND function. The...
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7416 TTL开路输出六反相缓冲、驱动器
This device contains six independent gates each of whichperforms the logic INVERT function. T...