| 序号 | 型号 | 描述 | 大小 | 厂家Logo | 下载 |
|---|
| 1 | PCF8583T | Clock/calendar with 240 x 8-bit RAM | 166K |
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| 2 | PCF8583T | Clock and calendar with 240 x 8-bit RAM | 609K |
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| 3 | PCF8583T/F5 | IC-SM-REAL TIME CLOCK | 137K |
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| 4 | PCF8583TD-T | Real-Time Clock | 1171K |
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