| 序号 | 型号 | 描述 | 大小 | 厂家Logo | 下载 |
|---|
| 1 | M74HC251 | 8 BIT SIPO SHIFT REGISTER | 255K |
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| 2 | M74HC251 | 8-CHANNEL MULTIPLEXER (3-STATE) | 389K |
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| 3 | M74HC251B1R | 8 BIT SIPO SHIFT REGISTER | 255K |
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| 4 | M74HC251B1R | 8-CHANNEL MULTIPLEXER (3-STATE) | 389K |
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| 5 | M74HC251C1R | 8 BIT SIPO SHIFT REGISTER | 255K |
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| 6 | M74HC251M1R | 8 BIT SIPO SHIFT REGISTER | 255K |
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| 7 | M74HC251M1R | 8-CHANNEL MULTIPLEXER (3-STATE) | 389K |
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| 8 | M74HC251RM13TR | 8-CHANNEL MULTIPLEXER (3-STATE) | 389K |
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| 9 | M74HC251TTR | 8-CHANNEL MULTIPLEXER (3-STATE) | 389K |
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