STM32L431KBU6 vs STM32L432KCU6 Comparison
Detailed side-by-side comparison of STM32L431KBU6 by STMicroelectronics and STM32L432KCU6 by STMicroelectronics. Compare key specifications, electrical parameters, packaging, lifecycle status, pricing, and availability to determine the best component for your design requirements.
STMicroelectronics
STM32L431KBU6 - 80MHz Cortex-M4 128KB MCU | STMicroelectronics
STM32L431KBU6 ✓ ActiveSTMicroelectronics
STM32L432KCU6 - 80MHz Cortex-M4 MCU 256KB Flash | STMicroelectronics
STM32L432KCU6 ✓ ActiveSpecification Comparison
| Parameter | STM32L431KBU6 | STM32L432KCU6 |
|---|---|---|
| Brand | STMicroelectronics | STMicroelectronics |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Active |
| Product Type | Ultra-low-power 32-bit microcontroller | — |
| Manufacturer | STMicroelectronics | — |
| Processor Core | Arm Cortex-M4 | — |
| Instruction Set | 32-bit Arm Thumb-2 | — |
| Maximum CPU Frequency | 80 MHz | 80 MHz |
| Flash Memory | 128 KB | 256 KB |
| Flash Organization | 128K x 8 bits | — |
| Floating-Point Unit | Single-precision FPU | — |
| DSP Instruction Support | Yes | — |
| Package | 32-pin UFQFPN | UFQFPN-32 (5x5 mm) |
| Package Dimensions | 5 mm x 5 mm | — |
| Mounting Type | Surface mount | Surface Mount |
| Operating Temperature Range | [DATA_NEEDED: Operating Temperature Range] | — |
| Supply Voltage Range | [DATA_NEEDED: Supply Voltage Range] | 1.71 V to 3.6 V |
| RAM Capacity | [DATA_NEEDED: RAM Capacity] | — |
| GPIO Count | [DATA_NEEDED: GPIO Count] | — |
| ADC Resolution | [DATA_NEEDED: ADC Resolution] | 12-bit with hardware oversampling |
| RoHS Status | [DATA_NEEDED: RoHS Status] | — |
| REACH Status | [DATA_NEEDED: REACH Status] | — |
| AEC-Q100 Qualification | [DATA_NEEDED: AEC-Q100 Qualification] | — |
| Lead-Free Status | [DATA_NEEDED: Lead-Free Status] | — |
| Core | — | Arm Cortex-M4 with FPU, 32-bit |
| SRAM | — | 64 KB |
| Shutdown Mode Current | — | 100 nA |
| Stop 2 Mode Current | — | 3.4 uA with RTC |
| DAC | — | 12-bit |
| Communication Interfaces | — | 3 USART, 1 UART, 2 SPI, 2 I2C, USB FS |
| Timers | — | Advanced and general-purpose timers |
| Security Features | — | TRNG, AES hardware accelerator, MPU |
| Operating Temperature | — | [DATA_NEEDED: operating temperature range] |
| MSL Rating | — | MSL 3 |
| Core Performance | — | 100 DMIPS / 273 CoreMark at 80 MHz |