| 序号 | 型号 | 描述 | 大小 | 厂家Logo | 下载 |
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| 1 | UPD4992 | 8-Bit Parallel I/O Calendar Clock | 104K |
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| 2 | UPD4992CX | 8-Bit Parallel I/O Calendar Clock | 103K |
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| 3 | UPD4992GS | 8-Bit Parallel I/O Calendar Clock | 103K |
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| 4 | UPD4992GS-E2 | 8-Bit Parallel I/O Calendar Clock | 103K |
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| 5 | UPD4992GS-T1 | 8-Bit Parallel I/O Calendar Clock | 103K |
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| 6 | UPD4992GS-T2 | 8-Bit Parallel I/O Calendar Clock | 103K |
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