STM32L476RET6 vs STM32L452RET6 Comparison
Detailed side-by-side comparison of STM32L476RET6 by STMicroelectronics and STM32L452RET6 by STMicroelectronics. Compare key specifications, electrical parameters, packaging, lifecycle status, pricing, and availability to determine the best component for your design requirements.
STMicroelectronics
STM32L476RET6 - 80MHz ARM Cortex-M4 MCU 512KB Flash | STMicroelectronics
STM32L476RET6 ✓ ActiveSTMicroelectronics
STM32L452RET6 - Ultra-Low-Power Cortex-M4 MCU 80MHz 512KB | ST
STM32L452RET6 ✓ ActiveSpecification Comparison
| Parameter | STM32L476RET6 | STM32L452RET6 |
|---|---|---|
| Brand | STMicroelectronics | STMicroelectronics |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Active |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $8.10 | $4.95 |
| Core Architecture | ARM Cortex-M4 with FPU and DSP instructions | — |
| Maximum Clock Frequency | 80 MHz | — |
| Performance | 100 DMIPS (1.25 DMIPS/MHz) | 100 DMIPS / 273 CoreMark |
| Program Flash Memory | 512 KB | — |
| SRAM | 128 KB | 160 KB |
| Supply Voltage Range | 1.7 V to 3.6 V | 1.71 V to 3.6 V |
| Operating Temperature Range | -40C to +85C (T6 suffix) | -40 C to +85 C |
| Package | 64-LQFP (10x10 mm) | LQFP-64 (10x10 mm) |
| I/O Pins | 51 (5V-tolerant on FT pins) | — |
| ADC | 3x 12-bit, up to 5 Msps | 12-bit, with hardware oversampling |
| DAC | 2x 12-bit | 12-bit |
| Comparators | 2x ultra-low-power | 2 ultra-low-power |
| Operational Amplifiers | 2x on-chip | — |
| USB | USB 2.0 Full-Speed OTG (with internal PHY) | USB 2.0 Full-Speed Device |
| LCD Controller | 8x40 / 4x44 segments | — |
| Timers | 16-/32-bit, RTC, LPTIM, SysTick | — |
| Communication Interfaces | USART/UART, I2C, SPI, SAI, CAN 2.0B, SDMMC | — |
| Crypto / Random | AES-256 hardware, TRNG | — |
| DMA | DMA1 + DMA2 (14 channels total) | — |
| Internal SMPS | Yes (external 4.7 uH inductor) | — |
| RoHS Status | Compliant | Compliant |
| Core | — | Arm Cortex-M4 with FPU |
| Maximum CPU Frequency | — | 80 MHz |
| Flash Memory | — | 512 KB |
| Shutdown Mode Current | — | 22 nA (5 wakeup pins) |
| VBAT Mode Current | — | 145 nA (RTC + 32x32-bit backup registers) |
| Operational Amplifier | — | 1 on-chip |
| DFSDM | — | Yes (digital filter for sigma-delta modulators) |
| SMPS Support | — | Yes (internal step-down core supply) |
| USART/UART | — | 3 USART + 2 UART |
| SPI | — | 3 |
| I2C | — | 3 |
| CAN | — | 1 (CAN 2.0B) |
| SDMMC | — | 1 |
| Crypto | — | AES-256 hardware accelerator |
| TRNG | — | Yes (true random number generator) |
| Unique ID | — | 96-bit |
| External Memory Interface | — | FSMC (SRAM, PSRAM, NOR, NAND) |
| Mounting Type | — | Surface Mount |