STM32L451REI6 vs STM32L451RET6 Comparison
Detailed side-by-side comparison of STM32L451REI6 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
STM32L451REI6 - 80MHz Cortex-M4 512KB MCU | STMicroelectronics
STM32L451REI6 ✓ ActiveSTMicroelectronics
STM32L451RET6 - Ultra-Low-Power Cortex-M4 MCU 512KB Flash | STMicroelectronics
STM32L451RET6 ✓ ActiveSpecification Comparison
| Parameter | STM32L451REI6 | STM32L451RET6 |
|---|---|---|
| Brand | STMicroelectronics | STMicroelectronics |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Active |
| Core | Arm Cortex-M4 with FPU | Arm Cortex-M4 with FPU |
| Architecture | 32-bit Arm Thumb instruction set | — |
| Maximum Clock Frequency | 80 MHz | 80 MHz |
| Peak Performance | 100 DMIPS | — |
| Flash Memory | 512 KB | 512 KB |
| SRAM | 160 KB | 160 KB |
| Digital Filter Sigma-Delta Modulator | Supported | — |
| Package | 64-UFBGA, 5 x 5 mm | 64-LQFP (10x10 mm) |
| Mounting Type | Surface Mount | Surface Mount |
| Power Class | Ultra-low-power | — |
| Analog Features | Supported | — |
| Audio Features | Supported | — |
| Operating Supply Voltage | [DATA_NEEDED: operating supply voltage range] | — |
| Operating Temperature Range | [DATA_NEEDED: operating temperature range] | -40°C to +85°C |
| Number of I/O Pins | [DATA_NEEDED: number of I/O pins] | — |
| ADC Resolution | [DATA_NEEDED: ADC resolution] | 12-bit |
| Timers | [DATA_NEEDED: timer configuration and count] | — |
| Communication Interfaces | [DATA_NEEDED: communication interface list] | — |
| Supply Voltage Range | — | 1.71 V to 3.6 V |
| ADC Sample Rate | — | 5 MSPS |
| DAC Resolution | — | 12-bit |
| 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) |
| RoHS Status | — | Compliant |