STM32F427IIT6 vs STM32F429BIT6 Comparison
Detailed side-by-side comparison of STM32F427IIT6 by STMicroelectronics and STM32F429BIT6 by STMicroelectronics. Compare key specifications, electrical parameters, packaging, lifecycle status, pricing, and availability to determine the best component for your design requirements.
STMicroelectronics
STM32F427IIT6 - ARM Cortex-M4 MCU 180MHz 2MB Flash LQFP-176 | STMicroelectronics
STM32F427IIT6 ✓ ActiveSTMicroelectronics
STM32F429BIT6 - 180MHz ARM Cortex-M4 MCU 2MB Flash LQFP-208 | STMicroelectronics
STM32F429BIT6 ✓ ActiveSpecification Comparison
| Parameter | STM32F427IIT6 | STM32F429BIT6 |
|---|---|---|
| Brand | STMicroelectronics | STMicroelectronics |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Active |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $11.20 | $11.05 |
| Core Architecture | ARM Cortex-M4 with FPU and DSP instructions | — |
| Maximum CPU Frequency | 180 MHz | — |
| DMIPS Performance | 225 DMIPS (1.25 DMIPS/MHz, Dhrystone 2.1) | — |
| Flash Memory | 2 MB | 2 MB (dual-bank) |
| SRAM | 256 KB (plus 4 KB backup SRAM) | 256 KB system + 4 KB backup |
| Operating Voltage | 1.8 V to 3.6 V | 2.0 V to 3.6 V |
| Package | 176-pin LQFP (24 x 24 mm, 0.5 mm pitch) | LQFP-208 (28x28 mm) |
| Operating Temperature Range | -40C to +85C (industrial grade) | — |
| ADC | 3 x 12-bit, 2.4 MSPS | 3 x 12-bit, up to 2.4 MSPS |
| DAC | 2 x 12-bit | 2 x 12-bit |
| USB | USB 2.0 OTG FS + USB 2.0 OTG HS (with on-chip PHY) | — |
| Ethernet | 10/100 MAC with IEEE 1588v2 hardware time-stamping | — |
| Timers | Up to 17 (including motor-control timers) | 17 (including 12-bit PWM, low-power) |
| Communication Peripherals | UART/USART, SPI, I2C, CAN 2.0B, SAI, SDMMC | — |
| Graphics Accelerator | Chrom-ART (for TFT LCD) | — |
| ART Accelerator | Yes (0-wait-state Flash execution) | — |
| Mounting Type | Surface Mount (LQFP-176) | Surface Mount (LQFP) |
| RoHS Status | Compliant | Compliant |
| Core | — | ARM 32-bit Cortex-M4 with FPU |
| Maximum Clock Frequency | — | 180 MHz |
| DMIPS | — | 225 DMIPS (1.25 DMIPS/MHz, Dhrystone 2.1) |
| I/O Voltage Tolerance | — | 5 V tolerant (most I/Os) |
| Communication Interfaces | — | USB OTG HS/FS, Ethernet MAC, 6x USART/UART, 4x SPI, 3x I2C, 2x CAN |
| Graphics | — | Chrom-ART Accelerator, LCD-TFT parallel interface |
| Operating Temperature | — | -40 C to +85 C (industrial grade 6) |
| MSL Level | — | MSL 3 |