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| PartNumber | EM342-RT | EM342-RTR | EM3420 |
| Description | RF System on a Chip - SoC RF4CE Target, SoC, 128kB flash, 12kB RAM | RF System on a Chip - SoC RF4CE Target, SoC, 128kB flash, 12kB RAM | |
| Manufacturer | Silicon Laboratories | Silicon Laboratories | - |
| Product Category | RF System on a Chip - SoC | RF System on a Chip - SoC | - |
| RoHS | Y | Y | - |
| Type | Zigbee | - | - |
| Core | ARM Cortex M3 | - | - |
| Operating Frequency | 2.4 GHz | - | - |
| Maximum Data Rate | 250 kb/s | - | - |
| Output Power | 5 dBm | - | - |
| Sensitivity | - 100 dBm | - | - |
| Operating Supply Voltage | 2.1 V to 3.6 V | - | - |
| Supply Current Receiving | 26 mA | - | - |
| Supply Current Transmitting | 31 mA | - | - |
| Program Memory Size | 128 kB | - | - |
| Operating Temperature Range | - 40 C to + 85 C | - | - |
| Package / Case | QFN-48 | - | - |
| Height | 0.85 mm | - | - |
| Length | 7 mm | - | - |
| Program Memory Type | Flash | - | - |
| Width | 7 mm | - | - |
| Brand | Silicon Labs | Silicon Labs | - |
| Data RAM Size | 12 kB | - | - |
| Data RAM Type | SRAM | - | - |
| Interface Type | SPI, UART | - | - |
| Mounting Style | SMD/SMT | - | - |
| Number of I/Os | 16 I/O | - | - |
| Data Bus Width | 32 bit | - | - |
| Maximum Clock Frequency | 24 MHz | - | - |
| Maximum Operating Temperature | + 85 C | - | - |
| Minimum Operating Temperature | - 40 C | - | - |
| Moisture Sensitive | Yes | - | - |
| Number of Timers | 3 Timer | - | - |
| Product Type | RF System on a Chip - SoC | RF System on a Chip - SoC | - |
| Factory Pack Quantity | 260 | 2000 | - |
| Subcategory | Wireless & RF Integrated Circuits | Wireless & RF Integrated Circuits | - |
| Unit Weight | 0.005309 oz | - | - |
| Packaging | - | Reel | - |