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