STM32H755ZIT6 vs STM32H743IIT6 Comparison
Detailed side-by-side comparison of STM32H755ZIT6 by STMicroelectronics and STM32H743IIT6 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
STM32H743IIT6 - 480MHz Cortex-M7 MCU 2MB Flash | STMicroelectronics
STM32H743IIT6 ✓ ActiveSpecification Comparison
| Parameter | STM32H755ZIT6 | STM32H743IIT6 |
|---|---|---|
| Brand | STMicroelectronics | STMicroelectronics |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Active |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $16.19 | $12.00 |
| Core Architecture | Dual-core Arm Cortex-M7 + Cortex-M4 | 32-bit ARM Cortex-M7 with double-precision FPU |
| Cortex-M7 Max Frequency | 480 MHz | — |
| Cortex-M4 Max Frequency | 240 MHz | — |
| Flash Memory | 2 MB (dual-bank) | 2 MB |
| SRAM | 1 MB (DTCM + AXI + SRAM1/2/3) | 1 MB |
| Package | LQFP-144 (20x20 mm) | 176-LQFP (24x24 mm) |
| GPIO Count | 114 | 140 (approx.) |
| Supply Voltage VDD | 1.62 V to 3.6 V | — |
| Operating Temperature | -40 °C to +85 °C (industrial grade) | -40C to +85C (industrial grade) |
| ADC | 3 x 16-bit, up to 3.6 MSPS | — |
| DAC | 2 x 12-bit | — |
| Communication Interfaces | Ethernet, USB OTG HS/FS, 2x CAN FD, 6x SPI, 4x I2C, USART/UART, SDMMC, SAI | Ethernet, USB, CAN, UART, SPI, I2C |
| 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 | — |
| MSL Level | 3 (per JEDEC J-STD-020) | — |
| RoHS Status | Compliant | — |
| Maximum Clock Frequency | — | 480 MHz |
| DMIPS Performance | — | 1027 DMIPS (2.14 DMIPS/MHz) |
| L1 Instruction Cache | — | 16 KB |
| L1 Data Cache | — | 16 KB |
| Operating Voltage | — | 1.62 V to 3.6 V |
| External Memory Interface | — | FMC, QUADSPI |
| ART Accelerator | — | Yes (zero-wait-state Flash execution) |
| RoHS Compliance | — | Compliant |