STM32L412CBU6 vs STM32L451CEU6 Comparison
Detailed side-by-side comparison of STM32L412CBU6 by STMicroelectronics and STM32L451CEU6 by STMicroelectronics. Compare key specifications, electrical parameters, packaging, lifecycle status, pricing, and availability to determine the best component for your design requirements.
STMicroelectronics
STM32L412CBU6 - 80MHz Cortex-M4 128KB Flash MCU | STMicroelectronics
STM32L412CBU6 ✓ ActiveSTMicroelectronics
STM32L451CEU6 - 80MHz Cortex-M4 MCU 512KB Flash | STMicroelectronics
STM32L451CEU6 ✓ ActiveSpecification Comparison
| Parameter | STM32L412CBU6 | STM32L451CEU6 |
|---|---|---|
| Brand | STMicroelectronics | STMicroelectronics |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Active |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $2.74 | $5.95 |
| Core Architecture | ARM Cortex-M4 with FPU (32-bit) | — |
| Maximum Clock Frequency | 80 MHz | 80 MHz |
| Performance | 100 DMIPS | — |
| Program Memory (Flash) | 128 KB | — |
| SRAM | 40 KB | 160 KB |
| Operating Voltage Range | 1.71 V to 3.6 V | 1.71 V to 3.6 V |
| Shutdown Current | 16 nA (4 wakeup pins) | 30 nA typical |
| VBAT Mode Current | 300 nA (RTC + 32x32-bit backup regs) | — |
| Operating Temperature Range | -40C to +85C / +125C | — |
| Package | 48-UFQFPN (7x7 mm) | 48-pin UFQFPN (7x7 mm) |
| Number of I/O Pins | 38 GPIO | — |
| ADC | 1 x 12-bit, 5 Msps | 12-bit, up to 5 Msps, hardware oversampling |
| DAC | 2 x 12-bit | 2 channels, 12-bit |
| Comparators | 2 | — |
| Operational Amplifiers | 2 | — |
| Communication Interfaces | USB FS, 2x I2C, 2x SPI, 3x USART, LPUART, CAN, I2S | — |
| Hardware Cryptography | AES-128, TRNG | — |
| Internal Voltage Regulator | SMPS step-down + LDO | — |
| Mounting Type | Surface Mount | Surface Mount |
| RoHS Status | Compliant | Compliant |
| Core | — | ARM Cortex-M4 with FPU and DSP |
| Flash Memory | — | 512 KB |
| Supply Current (RUN) | — | [DATA_NEEDED: typical uA/MHz figure] |
| Operating Temperature | — | -40C to +85C |
| USB | — | USB 2.0 Full-Speed device/host |
| CAN | — | 1x CAN 2.0B |
| I2C Interfaces | — | 3 |
| SPI Interfaces | — | 3 |
| GPIO Count | — | [DATA_NEEDED: exact GPIO count for UFQFPN48] |
| DFSDM | — | Yes (digital filter for sigma-delta modulators) |