| 序号 | 型号 | 描述 | 大小 | 厂家Logo | 下载 |
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| 1 | SN74LS228N | 16 x 4 SYNCHRONOUS FIRST-IN, FIRST-OUT MEMORY WITH OPEN-COLLECTOR OUTPUTS | 153K |
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| 2 | SN74LS228N | 16 x 4 SYNCHRONOUS FIRST-IN, FIRST-OUT MEMORY WITH OPEN-COLLECTOR OUTPUTS | 153K |
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