ATSAM4S4B Series
| Mfr.Part# | Description | Manufacturer | In Stock | Operation |
| ATSAM4S4BA-UUR | IC MCU 32BIT 256KB FLASH 64WLCSP | Microchip Technology | 5163 |
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| ATSAM4S4BB-UUR | IC MCU 32BIT 256KB FLASH 64WLCSP | Microchip Technology | 9624 |
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