STM32H755ZIT6 vs STM32H745IIT6 Comparison
Detailed side-by-side comparison of STM32H755ZIT6 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
STM32H755ZIT6 - Dual-Core Cortex-M7/M4 MCU, 2MB Flash | STMicroelectronics
STM32H755ZIT6 ✓ ActiveSTMicroelectronics
STM32H745IIT6 - 480MHz Dual-Core M7/M4 MCU, 2MB Flash | ST
STM32H745IIT6 ✓ ActiveSpecification Comparison
| Parameter | STM32H755ZIT6 | STM32H745IIT6 |
|---|---|---|
| Brand | STMicroelectronics | STMicroelectronics |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Active |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $16.19 | $10.62 |
| Core Architecture | Dual-core Arm Cortex-M7 + Cortex-M4 | Dual-core Arm Cortex-M7 + Cortex-M4 with FPU |
| Cortex-M7 Max Frequency | 480 MHz | — |
| Cortex-M4 Max Frequency | 240 MHz | — |
| Flash Memory | 2 MB (dual-bank) | 2 MB (dual-bank, with secure sector) |
| SRAM | 1 MB (DTCM + AXI + SRAM1/2/3) | — |
| Package | LQFP-144 (20x20 mm) | 176-pin LQFP (24x24 mm) |
| GPIO Count | 114 | — |
| Supply Voltage VDD | 1.62 V to 3.6 V | — |
| Operating Temperature | -40 °C to +85 °C (industrial grade) | — |
| 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 |
| Communication Interfaces | Ethernet, USB OTG HS/FS, 2x CAN FD, 6x SPI, 4x I2C, USART/UART, SDMMC, SAI | USB OTG FS+HS, 2 × CAN FD, Ethernet MAC, SDMMC, 2 × OctoSPI, FMC, USART/UART/SPI/I2C/LPUART |
| Graphics | Chrom-ART Accelerator, LCD-TFT controller, JPEG codec | — |
| Crypto Accelerators | AES, SHA, RSA, TRNG | — |
| Internal SMPS | Yes (step-down for core) | — |
| Process Node | 40 nm CMOS | — |
| Mounting Type | Surface Mount | Surface Mount |
| MSL Level | 3 (per JEDEC J-STD-020) | 3 (per JEDEC J-STD-020) |
| RoHS Status | Compliant | Compliant |
| 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) |
| Timers | — | Advanced-control, general-purpose, basic, low-power timers (see datasheet for full list) |
| Supply Source | — | Internal SMPS + LDO regulators |