XR88C681 Serie
| Fr. Teil# | Beschreibung | Hersteller | Auf Lager | Operation |
| XR88C681CJ-F | IC UART CMOS DUAL 44PLCC | 9996 |
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| XR88C681CJTR-F | IC UART CMOS DUAL 44PLCC | 4442 |
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| XR88C681J-F | IC UART CMOS DUAL 44PLCC | 5645 |
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