STM32L452RET6 vs STM32L451RET6 Comparison
Detailed side-by-side comparison of STM32L452RET6 by STMicroelectronics and STM32L451RET6 by STMicroelectronics. Compare key specifications, electrical parameters, packaging, lifecycle status, pricing, and availability to determine the best component for your design requirements.
STMicroelectronics
STM32L452RET6 - Ultra-Low-Power ARM Cortex-M4 MCU | STMicroelectronics
STM32L452RET6 ✓ ActiveSTMicroelectronics
STM32L451RET6 - Ultra-Low-Power Cortex-M4 MCU 512KB Flash | STMicroelectronics
STM32L451RET6 ✓ ActiveSpecification Comparison
| Parameter | STM32L452RET6 | STM32L451RET6 |
|---|---|---|
| Brand | STMicroelectronics | STMicroelectronics |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Active |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $5.50 | $4.38 |
| Core | ARM Cortex-M4 with FPU | Arm Cortex-M4 with FPU |
| Max Clock Frequency | 80 MHz | — |
| Flash Memory | 512 KB | 512 KB |
| SRAM | 160 KB | 160 KB |
| Supply Voltage Range | 1.71 V to 3.6 V | 1.71 V to 3.6 V |
| Operating Temperature Range | -40°C to +85°C | -40°C to +85°C |
| Package | LQFP-64 | 64-LQFP (10x10 mm) |
| Mounting Type | Surface Mount | Surface Mount |
| Number of I/Os | 51 | — |
| ADC Resolution | 12-bit | 12-bit |
| DAC Resolution | 12-bit | 12-bit |
| Communication Interfaces | USART, SPI, I2C, USB 2.0 FS, SAI, CAN | — |
| Low Power Mode Current (Stop 2) | 28 µA (typ) with RTC | — |
| Low Power Mode Current (Shutdown) | 112 nA (typ) | — |
| RoHS Status | Compliant | Compliant |
| Maximum Clock Frequency | — | 80 MHz |
| ADC Sample Rate | — | 5 MSPS |
| Number of I2C Interfaces | — | 4 |
| Number of SPI Interfaces | — | 3 |
| Number of USART/UART Interfaces | — | 3 USART + 1 UART + 1 LPUART |
| Number of Timers | — | 8 (including 2 advanced, 5 general-purpose, 2 basic) |