| PartNumber | CC2540F128RHAR | CC2540F128RHAT |
| Description | RF Microcontrollers - MCU RF Bluetooth SMART SOC with USB BLE | RF Microcontrollers - MCU RF Bluetooth SMART SOC with USB BLE |
| Manufacturer | Texas Instruments | Texas Instruments |
| Product Category | RF Microcontrollers - MCU | RF Microcontrollers - MCU |
| RoHS | Y | Y |
| Core | 8051 | 8051 |
| Operating Frequency | 2.4 GHz | 2.4 GHz |
| Data Bus Width | 8 bit | 8 bit |
| Program Memory Size | 128 kB | 128 kB |
| Data RAM Size | 8 kB | 8 kB |
| Operating Supply Voltage | 2 V to 3.6 V | 2 V to 3.6 V |
| Maximum Operating Temperature | + 85 C | + 85 C |
| Package / Case | VQFN-40 | VQFN-40 |
| Mounting Style | SMD/SMT | SMD/SMT |
| Packaging | Reel | Reel |
| Output Power | 4 dBm | 4 dBm |
| Series | CC2540 | CC2540 |
| Brand | Texas Instruments | Texas Instruments |
| Number of I/Os | 21 I/O | - |
| Minimum Operating Temperature | - 40 C | - 40 C |
| Moisture Sensitive | Yes | Yes |
| Number of Timers | 3 Timer | 21 Timer |
| Processor Series | CC2540 | CC2540 |
| Product Type | RF Microcontrollers - MCU | RF Microcontrollers - MCU |
| Factory Pack Quantity | 2500 | 250 |
| Subcategory | Wireless & RF Integrated Circuits | Wireless & RF Integrated Circuits |
| Supply Voltage Max | 3.6 V | 3.6 V |
| Supply Voltage Min | 2 V | 2 V |
| Tradename | SimpleLink | SimpleLink |
| Unit Weight | 0.003668 oz | 0.003668 oz |
| Number of ADC Channels | - | 3 |