STM32F427IIT6 vs STM32F439IGT6 Comparison
Detailed side-by-side comparison of STM32F427IIT6 by STMicroelectronics and STM32F439IGT6 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
STM32F439IGT6 - 180MHz ARM MCU 1MB Flash LQFP-176 | STMicroelectronics
STM32F439IGT6 ✓ ActiveSpecification Comparison
| Parameter | STM32F427IIT6 | STM32F439IGT6 |
|---|---|---|
| Brand | STMicroelectronics | STMicroelectronics |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Active |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $11.20 | $8.40 |
| Core Architecture | ARM Cortex-M4 with FPU and DSP instructions | 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 | — |
| SRAM | 256 KB (plus 4 KB backup SRAM) | 256 KB |
| Operating Voltage | 1.8 V to 3.6 V | — |
| Package | 176-pin LQFP (24 x 24 mm, 0.5 mm pitch) | 176-LQFP (24 x 24 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) | Up to 17 (general-purpose, advanced-control, basic, low-power, SysTick, watchdog) |
| 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 |
| RoHS Status | Compliant | Compliant |
| Maximum Clock Frequency | — | 180 MHz |
| DMIPS | — | 225 DMIPS / 1.25 DMIPS/MHz |
| Program Memory (Flash) | — | 1 MB (1M x 8) |
| Backup SRAM | — | 4 KB |
| EEPROM (Emulated) | — | [DATA_NEEDED: emulated EEPROM capacity] |
| Operating Voltage (VDD) | — | 1.8 V to 3.6 V |
| Operating Temperature | — | -40 C to +85 C |
| Communication Interfaces | — | USB 2.0 OTG FS+HS, CAN 2.0B (bxCAN x2), USART/UART x6, SPI x3, I2C x3, Ethernet MAC 10/100, SDIO x2 |
| Graphics Peripherals | — | TFT LCD controller (up to XGA), Chrom-ART Accelerator, 8-14-bit camera I/F |
| External Memory Controller | — | FSMC for SRAM/PSDRAM/NOR/NAND/Compact Flash |
| Crypto / Hash Accelerator | — | AES-256, TDES, SHA-1/MD5/SHA-256, TRNG |
| Pin Count | — | 176 |
| Pitch | — | 0.5 mm |
| I/O Count | — | [DATA_NEEDED: GPIO count] |
| MSL Level | — | [DATA_NEEDED: MSL rating] |