STM32F439IGT6 vs STM32F427IIT6 Comparison

Detailed side-by-side comparison of STM32F439IGT6 by STMicroelectronics and STM32F427IIT6 by STMicroelectronics. Compare key specifications, electrical parameters, packaging, lifecycle status, pricing, and availability to determine the best component for your design requirements.

Specification Comparison

Parameter STM32F439IGT6 STM32F427IIT6
Brand STMicroelectronics STMicroelectronics
Category Microcontrollers Microcontrollers
Lifecycle Status Active Active
Stock Status In Stock In Stock
Unit Price (USD) $8.40 $11.20
Core Architecture ARM Cortex-M4 with FPU and DSP instructions ARM Cortex-M4 with FPU and DSP instructions
Maximum Clock Frequency 180 MHz —
DMIPS 225 DMIPS / 1.25 DMIPS/MHz —
Program Memory (Flash) 1 MB (1M x 8) —
SRAM 256 KB 256 KB (plus 4 KB backup SRAM)
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 —
Package 176-LQFP (24 x 24 mm) 176-pin LQFP (24 x 24 mm, 0.5 mm pitch)
ADC 3 x 12-bit, up to 2.4 MSPS 3 x 12-bit, 2.4 MSPS
DAC 2 x 12-bit 2 x 12-bit
Timers Up to 17 (general-purpose, advanced-control, basic, low-power, SysTick, watchdog) Up to 17 (including motor-control timers)
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] —
Mounting Type Surface Mount Surface Mount (LQFP-176)
MSL Level [DATA_NEEDED: MSL rating] —
RoHS Status Compliant Compliant
Maximum CPU Frequency — 180 MHz
DMIPS Performance — 225 DMIPS (1.25 DMIPS/MHz, Dhrystone 2.1)
Flash Memory — 2 MB
Operating Voltage — 1.8 V to 3.6 V
Operating Temperature Range — -40C to +85C (industrial grade)
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
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)

Datasheets & Resources

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