XR68C681 Serie
| Mfr. Parte# | Descripción | Fabricante | En stock | Operación |
| XR68C681CJ-F | IC UART CMOS DUAL 44PLCC | 6950 |
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| XR68C681CJTR-F | IC UART CMOS DUAL 44PLCC | 3726 |
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| XR68C681J-F | IC UART CMOS DUAL 44PLCC | 175 |
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