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| PartNumber | ATSAMB11G18A-MU-T | ATSAMB11G18A-MU-Y | ATSAMB11G18A-MU |
| Description | RF System on a Chip - SoC BLE 4.1 SOC Ultra Low Power | RF System on a Chip - SoC BLE 4.1 SOC Ultra Low Power | |
| Manufacturer | Microchip | Microchip | - |
| Product Category | RF System on a Chip - SoC | RF System on a Chip - SoC | - |
| RoHS | Y | Y | - |
| Type | Bluetooth | Bluetooth | - |
| Core | ARM Cortex M0 | ARM Cortex M0 | - |
| Operating Frequency | 2.4 GHz | 2.4 GHz | - |
| Operating Supply Voltage | 3 V | 3 V | - |
| Program Memory Size | 256 kB | 256 kB | - |
| Operating Temperature Range | - 40 C to + 85 C | - 40 C to + 85 C | - |
| Package / Case | QFN-48 | QFN-48 | - |
| Packaging | Reel | Tray | - |
| Height | 0.85 mm | 0.85 mm | - |
| Length | 6 mm | 6 mm | - |
| Program Memory Type | Flash | Flash | - |
| Width | 6 mm | 6 mm | - |
| Brand | Microchip Technology / Atmel | Microchip Technology / Atmel | - |
| Data RAM Size | 128 kB | 128 kB | - |
| Interface Type | I2C, SPI, UART | I2C, SPI, UART | - |
| Mounting Style | SMD/SMT | SMD/SMT | - |
| Number of I/Os | 23 I/O | 23 I/O | - |
| ADC Resolution | 11 bit | 11 bit | - |
| Data Bus Width | 32 bit | 32 bit | - |
| Maximum Operating Temperature | + 85 C | + 85 C | - |
| Minimum Operating Temperature | - 40 C | - 40 C | - |
| Moisture Sensitive | Yes | Yes | - |
| Number of ADC Channels | 4 Channel | 4 Channel | - |
| Number of Timers | 8 Timer | 8 Timer | - |
| Processor Series | ARM Cortex | ARM Cortex | - |
| Product Type | RF System on a Chip - SoC | RF System on a Chip - SoC | - |
| Factory Pack Quantity | 4000 | 490 | - |
| Subcategory | Wireless & RF Integrated Circuits | Wireless & RF Integrated Circuits | - |
| Unit Weight | 0.005125 oz | 0.005125 oz | - |