| 序号 | 型号 | 描述 | 大小 | 厂家Logo | 下载 |
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| 1 | 74LS260 | DUAL 5-INPUT NOR GATE | 122K |
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| 2 | 74LS260 | DUAL 5-INPUT NOR GATE | 122K |
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| 3 | 74LS260PC | Dual 5-input NOR Gate | 124K |
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| 4 | 74LS266 | Quad 2-Input Exclusive-NOR Gate with Open-Collector Outputs | 46K |
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| 5 | 74LS266 | Quadruple 2-input Exclusive-NOR Gates(with open collector outputs) | 47K |
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| 6 | 74LS266 | QUADRUPLE 2-INPUT EXCLUSIVE-NOR GATES WITH OPEN-COLLECTOR OUTPUTS | 476K |
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| 7 | 74LS266DC | Quad 2-input Exclusive NOR (XNOR) Gate | 124K |
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| 8 | 74LS266PC | Quad 2-input Exclusive NOR (XNOR) Gate | 124K |
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| 9 | 74LS26PC | Quad 2-input NAND Gate | 124K |
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