| Part Number | CC2538SF23RTQT | CC2538SF23RTQR | 
|---|---|---|
| Manufacturer | Texas Instruments | Texas Instruments | 
| Category | RF Transceiver ICs | RF Transceiver ICs | 
|   |   | |
| Product Status | Active | Active | 
| Type | TxRx + MCU | TxRx + MCU | 
| RF Family/Standard | 802.15.4 | 802.15.4 | 
| Protocol | 6LoWPAN, Zigbee® | 6LoWPAN, Zigbee® | 
| Modulation | - | - | 
| Frequency | 2.4GHz | 2.4GHz | 
| Data Rate (Max) | 250kbps | 250kbps | 
| Power - Output | 7dBm | 7dBm | 
| Sensitivity | -97dBm | -97dBm | 
| Memory Size | 256kB Flash, 32kB RAM | 256kB Flash, 32kB RAM | 
| Serial Interfaces | I²C, JTAG, SPI, UART, USB | I²C, JTAG, SPI, UART, USB | 
| GPIO | 32 | 32 | 
| Voltage - Supply | 2V ~ 3.6V | 2V ~ 3.6V | 
| Current - Receiving | 20mA ~ 24mA | 20mA ~ 24mA | 
| Current - Transmitting | 24mA ~ 34mA | 24mA ~ 34mA | 
| Operating Temperature | -40°C ~ 125°C | -40°C ~ 125°C | 
| Mounting Type | Surface Mount | Surface Mount | 
| Package / Case | 56-VFQFN Exposed Pad | 56-VFQFN Exposed Pad | 
| Supplier Device Package | 56-QFN (8x8) | 56-QFN (8x8) |