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