STM32H745IIT6 vs STM32H7A3VIT6 Comparison
Detailed side-by-side comparison of STM32H745IIT6 by STMicroelectronics and STM32H7A3VIT6 by STMicroelectronics. Compare key specifications, electrical parameters, packaging, lifecycle status, pricing, and availability to determine the best component for your design requirements.
STMicroelectronics
STM32H745IIT6 - 480MHz Dual-Core M7/M4 MCU, 2MB Flash | ST
STM32H745IIT6 ✓ ActiveSTMicroelectronics
STM32H7A3VIT6 - 280MHz Cortex-M7 MCU, 2MB Flash, LQFP-100 | STMicroelectronics
STM32H7A3VIT6 ✓ ActiveSpecification Comparison
| Parameter | STM32H745IIT6 | STM32H7A3VIT6 |
|---|---|---|
| Brand | STMicroelectronics | STMicroelectronics |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Active |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $10.62 | $10.45 |
| Core Architecture | Dual-core Arm Cortex-M7 + Cortex-M4 with FPU | — |
| M7 Maximum Clock Frequency | 480 MHz | — |
| M4 Maximum Clock Frequency | 240 MHz | — |
| Flash Memory | 2 MB (dual-bank, with secure sector) | 2 MB (2M x 8) |
| SRAM (Total) | 1 MB (192 KB DTCM/AXI + 64 KB DTCM for M4 + 462 KB system SRAM + 4 KB backup) | — |
| Operating Voltage Range | 1.62 V to 3.6 V | — |
| Package | 176-pin LQFP (24x24 mm) | 100-pin LQFP (14x14 mm) |
| Mounting Type | Surface Mount | Surface Mount |
| Operating Temperature Range | -40 °C to +85 °C (industrial grade) | — |
| ADC | 16-bit ADC (3.6 MSPS) + two 12-bit ADCs | 3 x 16-bit, up to 3.6 MSPS |
| DAC | Two 12-bit DACs | 2 x 12-bit |
| Graphics Accelerator | Chrom-ART (DMA2D) | — |
| Communication Interfaces | USB OTG FS+HS, 2 × CAN FD, Ethernet MAC, SDMMC, 2 × OctoSPI, FMC, USART/UART/SPI/I2C/LPUART | — |
| Timers | Advanced-control, general-purpose, basic, low-power timers (see datasheet for full list) | [DATA_NEEDED: timer count details] |
| MSL Level | 3 (per JEDEC J-STD-020) | [DATA_NEEDED: MSL level] |
| RoHS Status | Compliant | Compliant |
| Supply Source | Internal SMPS + LDO regulators | — |
| Core | — | ARM Cortex-M7 (32-bit) |
| Maximum CPU Clock | — | 280 MHz |
| SRAM | — | 1.4 MB total (SRAM1/SRAM2/SRAM3/SRAM4 + DTCM + AXI SRAM) |
| Supply Voltage (VDD) | — | 1.62 V to 3.6 V |
| Operating Temperature | — | -40 C to +85 C (industrial grade) |
| I/O Count (approx.) | — | [DATA_NEEDED: I/O count] |
| Communication | — | USB 2.0 FS+HS OTG, CAN FD, USART/UART, SPI, I2C, SAI, SDMMC, FMC |
| Graphics | — | Chrom-ART (DMA2D) accelerator, TFT-LCD controller (LTDC) |
| Math Accelerators | — | FMAC, CORDIC, single-precision hardware MAC |
| Security | — | Cryptographic accelerators, TRNG, secure boot support |
| FPU | — | Double-precision IEEE 754 |
| Cache | — | 16 KB I-cache + 16 KB D-cache |