| 序号 | 型号 | 描述 | 大小 | 厂家Logo | 下载 |
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| 1 | 74HC4049 | Hex inverting high-to-low level shifter | 42K |
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| 2 | 74HC4049D | Hex inverting high-to-low level shifter | 42K |
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| 3 | 74HC4049D-T | Hex Inverter | 102K |
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| 4 | 74HC4049N | Hex inverting high-to-low level shifter | 42K |
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