| DigiKey Programmable | Not Verified | |
| Serial Interfaces | SPI | |
| Product Status | Active | |
| Power - Output | 3dBm | |
| Supplier Device Package | 44-VQFN (7x7) | |
| Package / Case | 44-VFQFN Exposed Pad | |
| Current - Receiving | 10.3mA ~ 12.3mA | |
| Modulation | O-QPSK | |
| Voltage - Supply | 1.8V ~ 3.6V | |
| REACH Status | REACH Unaffected | |
| Mfr | Microchip Technology | |
| Data Rate (Max) | 2Mbps | |
| Protocol | 6LoWPAN, WirelessHART™, Zigbee® | |
| RoHS Status | ROHS3 Compliant | |
| Moisture Sensitivity Level (MSL) | 3 (168 Hours) | |
| Operating Temperature | -40°C ~ 85°C | |
| Current - Transmitting | 7.4mA ~ 14mA | |
| ECCN | 5A002A1 | |
| Mounting Type | Surface Mount | |
| RF Family/Standard | 802.15.4, General ISM > 1GHz | |
| GPIO | 32 | |
| Series | - | |
| Type | TxRx + MCU | |
| Sensitivity | -101dBm | |
| Memory Size | 64kB Flash, 2kB EEPROM, 4kB RAM | |
| Frequency | 2.4GHz | |
| HTSUS | 8542.31.0001 | |
| Package | Tray | |
| Base Product Number | ATMEGA644 |
