STM32H743ZIT6 vs STM32H755ZIT6 Comparison
Detailed side-by-side comparison of STM32H743ZIT6 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
STM32H743ZIT6 - 480MHz Cortex-M7 MCU, 2MB Flash | STMicroelectronics
STM32H743ZIT6 ✓ ActiveSTMicroelectronics
STM32H755ZIT6 - Dual-Core Cortex-M7/M4 MCU, 2MB Flash | STMicroelectronics
STM32H755ZIT6 ✓ ActiveSpecification Comparison
| Parameter | STM32H743ZIT6 | STM32H755ZIT6 |
|---|---|---|
| Brand | STMicroelectronics | STMicroelectronics |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Active |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $10.65 | $16.19 |
| Core Architecture | ARM Cortex-M7 with double-precision FPU | Dual-core Arm Cortex-M7 + Cortex-M4 |
| Maximum Clock Speed | 480 MHz | — |
| Flash Memory | 2 MB | 2 MB (dual-bank) |
| SRAM | 1 MB (includes 64 KB DTCM + AXI SRAM) | 1 MB (DTCM + AXI + SRAM1/2/3) |
| Instruction Cache | 16 KB | — |
| Data Cache | 16 KB | — |
| Package | LQFP-144 (20x20 mm) | LQFP-144 (20x20 mm) |
| Operating Voltage | 1.62 V to 3.6 V | — |
| ADC | 3x 12-bit, up to 3.6 MSPS | 3 x 16-bit, up to 3.6 MSPS |
| DAC | 2x 12-bit | 2 x 12-bit |
| Timers | Advanced-control, general-purpose, basic; HRTIM | — |
| Communication Interfaces | USART, SPI, I2C, CAN FD, USB OTG, Ethernet MAC, SDMMC | Ethernet, USB OTG HS/FS, 2x CAN FD, 6x SPI, 4x I2C, USART/UART, SDMMC, SAI |
| Graphics Accelerator | Chrom-ART (DMA2D) | — |
| Cryptography | AES, SHA, TRNG (hardware) | — |
| Operating Temperature | -40 C to +85 C (industrial grade) | -40 °C to +85 °C (industrial grade) |
| Mounting Type | Surface Mount | Surface Mount |
| MSL Level | 3 (168 hours) | 3 (per JEDEC J-STD-020) |
| RoHS Status | Compliant | Compliant |
| Cortex-M7 Max Frequency | — | 480 MHz |
| Cortex-M4 Max Frequency | — | 240 MHz |
| GPIO Count | — | 114 |
| Supply Voltage VDD | — | 1.62 V to 3.6 V |
| 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 |