| 序号 | 型号 | 描述 | 大小 | 厂家Logo | 下载 |
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| 1 | 8253 | Programmable interval Timer | 230K |
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| 2 | 8253 | PROGRAMMABLE INTERVAL TIMER | 717K |
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| 3 | 8253/BJA | Analog Timer Circuit | 141K |
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| 4 | 82530 | SERIAL COMMUNICATIONS CONTROLLER (SCC) | 1890K |
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| 5 | 82530-6 | SERIAL COMMUNICATIONS CONTROLLER (SCC) | 1890K |
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| 6 | 8253-5 | PROGRAMMABLE INTERVAL TIMER | 717K |
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| 7 | 8253-5/BJA | Analog Timer Circuit | 141K |
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| 8 | 82537070 | 0402 SMD VARISTOR | 287K |
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