STM32L451CEU6 vs STM32L412CBU6 Comparison
Detailed side-by-side comparison of STM32L451CEU6 by STMicroelectronics and STM32L412CBU6 by STMicroelectronics. Compare key specifications, electrical parameters, packaging, lifecycle status, pricing, and availability to determine the best component for your design requirements.
STMicroelectronics
STM32L451CEU6 - 80MHz Cortex-M4 MCU 512KB Flash | STMicroelectronics
STM32L451CEU6 ✓ ActiveSTMicroelectronics
STM32L412CBU6 - 80MHz Cortex-M4 128KB Flash MCU | STMicroelectronics
STM32L412CBU6 ✓ ActiveSpecification Comparison
| Parameter | STM32L451CEU6 | STM32L412CBU6 |
|---|---|---|
| Brand | STMicroelectronics | STMicroelectronics |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Active |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $5.95 | $2.74 |
| Core | ARM Cortex-M4 with FPU and DSP | — |
| Maximum Clock Frequency | 80 MHz | 80 MHz |
| Flash Memory | 512 KB | — |
| SRAM | 160 KB | 40 KB |
| Operating Voltage Range | 1.71 V to 3.6 V | 1.71 V to 3.6 V |
| Package | 48-pin UFQFPN (7x7 mm) | 48-UFQFPN (7x7 mm) |
| Mounting Type | Surface Mount | Surface Mount |
| Supply Current (RUN) | [DATA_NEEDED: typical uA/MHz figure] | — |
| Shutdown Current | 30 nA typical | 16 nA (4 wakeup pins) |
| Operating Temperature | -40C to +85C | — |
| ADC | 12-bit, up to 5 Msps, hardware oversampling | 1 x 12-bit, 5 Msps |
| DAC | 2 channels, 12-bit | 2 x 12-bit |
| 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) | — |
| RoHS Status | Compliant | Compliant |
| Core Architecture | — | ARM Cortex-M4 with FPU (32-bit) |
| Performance | — | 100 DMIPS |
| Program Memory (Flash) | — | 128 KB |
| VBAT Mode Current | — | 300 nA (RTC + 32x32-bit backup regs) |
| Operating Temperature Range | — | -40C to +85C / +125C |
| Number of I/O Pins | — | 38 GPIO |
| 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 |