| 序号 | 型号 | 描述 | 大小 | 厂家Logo | 下载 |
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| 1 | PCF8570T | 256 x 8-bit static low-voltage RAM with I2C-bus interface | 143K |
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| 2 | PCF8570T/F5 | IC SMD | 101K |
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| 3 | PCF8570TD | Serial SRAM | 816K |
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| 4 | PCF8570TD-T | Serial SRAM | 816K |
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