STM32H7A3VIT6 vs STM32H745IIT6 Comparison
Detailed side-by-side comparison of STM32H7A3VIT6 by STMicroelectronics and STM32H745IIT6 by STMicroelectronics. Compare key specifications, electrical parameters, packaging, lifecycle status, pricing, and availability to determine the best component for your design requirements.
STMicroelectronics
STM32H7A3VIT6 - 280MHz Cortex-M7 MCU, 2MB Flash, LQFP-100 | STMicroelectronics
STM32H7A3VIT6 ✓ ActiveSTMicroelectronics
STM32H745IIT6 - 480MHz Dual-Core M7/M4 MCU, 2MB Flash | ST
STM32H745IIT6 ✓ ActiveSpecification Comparison
| Parameter | STM32H7A3VIT6 | STM32H745IIT6 |
|---|---|---|
| Brand | STMicroelectronics | STMicroelectronics |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Active |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $10.45 | $10.62 |
| Core | ARM Cortex-M7 (32-bit) | — |
| Maximum CPU Clock | 280 MHz | — |
| Flash Memory | 2 MB (2M x 8) | 2 MB (dual-bank, with secure sector) |
| SRAM | 1.4 MB total (SRAM1/SRAM2/SRAM3/SRAM4 + DTCM + AXI SRAM) | — |
| Supply Voltage (VDD) | 1.62 V to 3.6 V | — |
| Package | 100-pin LQFP (14x14 mm) | 176-pin LQFP (24x24 mm) |
| Operating Temperature | -40 C to +85 C (industrial grade) | — |
| I/O Count (approx.) | [DATA_NEEDED: I/O count] | — |
| ADC | 3 x 16-bit, up to 3.6 MSPS | 16-bit ADC (3.6 MSPS) + two 12-bit ADCs |
| DAC | 2 x 12-bit | Two 12-bit DACs |
| Timers | [DATA_NEEDED: timer count details] | Advanced-control, general-purpose, basic, low-power timers (see datasheet for full list) |
| 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 | — |
| Mounting Type | Surface Mount | Surface Mount |
| RoHS Status | Compliant | Compliant |
| MSL Level | [DATA_NEEDED: MSL level] | 3 (per JEDEC J-STD-020) |
| Core Architecture | — | Dual-core Arm Cortex-M7 + Cortex-M4 with FPU |
| M7 Maximum Clock Frequency | — | 480 MHz |
| M4 Maximum Clock Frequency | — | 240 MHz |
| 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 |
| Operating Temperature Range | — | -40 °C to +85 °C (industrial grade) |
| 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 |
| Supply Source | — | Internal SMPS + LDO regulators |