| PartNumber | STM32L422KBT6 | STM32L422CBU6 | STM32L422CBT6 |
| Description | ARM Microcontrollers - MCU Ultra-low-power Arm Cortex -M4 32-bit MCU+FPU, 100DMIPS, 128KB Flash, 40KB SRAM, analog, AES, ext. SMPS | ARM Microcontrollers - MCU Ultra-low-power Arm Cortex -M4 32-bit MCU+FPU, 100DMIPS, 128KB Flash, 40KB SRAM, analog, AES, ext. SMPS | ARM Microcontrollers - MCU Ultra-low-power Arm Cortex -M4 32-bit MCU+FPU, 100DMIPS, 128KB Flash, 40KB SRAM, analog, AES, ext. SMPS |
| Manufacturer | STMicroelectronics | STMicroelectronics | STMicroelectronics |
| Product Category | ARM Microcontrollers - MCU | ARM Microcontrollers - MCU | ARM Microcontrollers - MCU |
| RoHS | Y | Y | Y |
| Series | STM32L422KB | STM32L422CB | STM32L422CB |
| Core | ARM Cortex M4 | ARM Cortex M4 | ARM Cortex M4 |
| Data Bus Width | 32 bit | 32 bit | 32 bit |
| Maximum Clock Frequency | 80 MHz | 80 MHz | 80 MHz |
| Data RAM Size | 128 kB | 128 kB | 128 kB |
| ADC Resolution | 12 bit, 16 bit | 12 bit, 16 bit | 12 bit, 16 bit |
| Operating Supply Voltage | 1.71 V to 3.6 V | 1.71 V to 3.6 V | 1.71 V to 3.6 V |
| Product | MCU+FPU | MCU+FPU | MCU+FPU |
| Program Memory Type | Flash | Flash | Flash |
| Brand | STMicroelectronics | STMicroelectronics | STMicroelectronics |
| Data RAM Type | SRAM | SRAM | SRAM |
| Interface Type | CAN, I2C, SPI, UART | CAN, I2C, SPI, UART | CAN, I2C, SPI, UART |
| DAC Resolution | 12 bit | 12 bit | 12 bit |
| Moisture Sensitive | Yes | - | - |
| Product Type | ARM Microcontrollers - MCU | ARM Microcontrollers - MCU | ARM Microcontrollers - MCU |
| Factory Pack Quantity | 1500 | 1560 | 1500 |
| Subcategory | Microcontrollers - MCU | Microcontrollers - MCU | Microcontrollers - MCU |
| Supply Voltage Max | 3.6 V | 3.6 V | 3.6 V |
| Supply Voltage Min | 1.71 V | 1.71 V | 1.71 V |