| PartNumber | CYW20737A1KML2G | CYW20737L | CYW20737A1KML2GT |
| Description | RF Microcontrollers - MCU Bluetooth, BLE and IEEE 802.15.4 | RF Microcontrollers - MCU Bluetooth BLE and IEEE 802.15.4 | RF Microcontrollers - MCU Bluetooth BLE and IEEE 802.15.4 |
| Manufacturer | Cypress Semiconductor | Cypress Semiconductor | Cypress Semiconductor |
| Product Category | RF Microcontrollers - MCU | RF Microcontrollers - MCU | RF Microcontrollers - MCU |
| RoHS | Y | Y | Y |
| Core | ARM Cortex M3 | ARM Cortex M3 | - |
| Operating Frequency | 2.4 GHz | 2.402 GHz to 2.48 GHz | - |
| Data Bus Width | 32 bit | 32 bit | - |
| Program Memory Size | 320 kB | 512 kbit | - |
| Data RAM Size | 60 kB | 60 kB | - |
| Maximum Clock Frequency | 24 MHz | 24 MHz | - |
| ADC Resolution | 16 bit | 16 bit | - |
| Operating Supply Voltage | 1.2 V | 1.2 V | - |
| Maximum Operating Temperature | + 85 C | + 85 C | - |
| Package / Case | QFN-32 | LGA-48 | QFN-32 |
| Mounting Style | SMD/SMT | SMD/SMT | - |
| Packaging | Tray | Tray | Reel |
| Output Power | 4 dBm | 2 dBm | - |
| Program Memory Type | EEPROM | EEPROM | - |
| Brand | Cypress Semiconductor | Cypress Semiconductor | Cypress Semiconductor |
| Data RAM Type | RAM | RAM | - |
| Interface Type | I2C, SPI, UART | I2C, SPI, UART | - |
| Number of I/Os | 14 I/O | 14 I/O | - |
| Minimum Operating Temperature | - 30 C | - 40 C | - |
| Number of ADC Channels | 9 Channel | 9 Channel | - |
| Number of Timers | 4 | 4 | - |
| Product Type | RF Microcontrollers - MCU | RF Microcontrollers - MCU | RF Microcontrollers - MCU |
| Factory Pack Quantity | 490 | 260 | 2500 |
| Subcategory | Wireless & RF Integrated Circuits | Wireless & RF Integrated Circuits | Wireless & RF Integrated Circuits |