| 序号 | 型号 | 描述 | 大小 | 厂家Logo | 下载 |
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| 1 | S87C654-7N40 | CMOS single-chip 8-bit microcontroller | 264K |
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| 2 | S87C654-7N40 | 80C51 8-bit microcontroller 8K/16K, 256 OTP, I2C | 200K |
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| 3 | S87C654-7N40 | CMOS single-chip 8-bit microcontroller | 492K |
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