| 序号 | 型号 | 描述 | 大小 | 厂家Logo | 下载 |
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| 1 | M48T39Y | 256 Kb 32K x8 TIMEKEEPER SRAM | 31K |
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| 2 | M48T39Y-100PM1 | 256 Kb 32K x8 TIMEKEEPER SRAM | 31K |
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| 3 | M48T39Y-150PM1 | 256 Kb 32K x8 TIMEKEEPER SRAM | 31K |
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| 4 | M48T39YPM | 256 Kb 32K x8 TIMEKEEPER SRAM | 31K |
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