| 序号 | 型号 | 描述 | 大小 | 厂家Logo | 下载 |
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| 1 | N74F543D | Octal registered transceiver, non-inverting 3-State | 122K |
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| 2 | N74F543D | Octal latched transceiver with dual enable; 3-state | 101K |
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| 3 | N74F543DB | Octal latched transceiver with dual enable; 3-state | 101K |
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| 4 | N74F543DB-T | Single 8-bit Bus Transceiver | 359K |
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| 5 | N74F543D-T | Single 8-bit Bus Transceiver | 359K |
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