STM32F427IIH6 vs STM32F429IEH6 Comparison
Detailed side-by-side comparison of STM32F427IIH6 by STMicroelectronics and STM32F429IEH6 by STMicroelectronics. Compare key specifications, electrical parameters, packaging, lifecycle status, pricing, and availability to determine the best component for your design requirements.
STMicroelectronics
STM32F427IIH6 - 180MHz ARM Cortex-M4 MCU with FPU | STMicroelectronics
STM32F427IIH6 ✓ ActiveSTMicroelectronics
STM32F429IEH6 - 180MHz Cortex-M4 MCU 512KB Flash | STMicroelectronics
STM32F429IEH6 ✓ ActiveSpecification Comparison
| Parameter | STM32F427IIH6 | STM32F429IEH6 |
|---|---|---|
| Brand | STMicroelectronics | STMicroelectronics |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Active |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $8.10 | $10.94 |
| Core | ARM Cortex-M4 with FPU | — |
| Maximum Clock Frequency | 180 MHz | 180 MHz |
| Flash Memory | 2 MB | 512 KB |
| SRAM | 256 KB | 256 KB (includes 64 KB CCM) |
| Supply Voltage Range | 1.8 V to 3.6 V | — |
| Operating Temperature Range | -40°C to +85°C | — |
| Package | UFBGA-176 (10x10 mm) | UFBGA-176 (10x10 mm) |
| Number of I/O Pins | 140 | — |
| ADC Resolution | 12-bit | — |
| Number of ADC Channels | 24 | — |
| DAC Resolution | 12-bit | — |
| Number of Timers | 14 | — |
| Communication Interfaces | USART, SPI, I2C, USB OTG, CAN, SDIO, Ethernet MAC | USB OTG FS + HS, 10/100 Ethernet, 2x CAN 2.0B, 6x USART/UART, 3x SPI, 3x I2C, 2x SDMMC |
| DMA Channels | 16 | — |
| RoHS Status | Compliant | Compliant |
| Core Architecture | — | ARM Cortex-M4 with FPU and DSP |
| DMIPS Performance | — | 225 DMIPS (1.25 DMIPS/MHz, Dhrystone 2.1) |
| Operating Voltage | — | 1.8 V to 3.6 V |
| Operating Temperature | — | -40 °C to +85 °C (industrial grade) |
| ADC | — | 3x 12-bit, 2.4 MSPS |
| DAC | — | 2x 12-bit |
| Timers | — | 17 (including 2x 32-bit) |
| Display Controller | — | LCD-TFT up to XGA, with Chrom-ART DMA2D accelerator |
| External Memory Controller | — | Yes (SRAM, SDRAM, NOR, NAND, CompactFlash) |
| Mounting Type | — | Surface Mount (BGA) |
| MSL Level | — | 3 (168 hours) |
| Lead-Free / Halogen-Free | — | Yes / Yes |