STM32H745IIK6 vs STM32H755ZIT6 Comparison
Detailed side-by-side comparison of STM32H745IIK6 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
STM32H745IIK6 - Dual-Core M7+M4 MCU 2MB Flash UFBGA-176 | STMicroelectronics
STM32H745IIK6 ✓ ActiveSTMicroelectronics
STM32H755ZIT6 - Dual-Core Cortex-M7/M4 MCU, 2MB Flash | STMicroelectronics
STM32H755ZIT6 ✓ ActiveSpecification Comparison
| Parameter | STM32H745IIK6 | STM32H755ZIT6 |
|---|---|---|
| Brand | STMicroelectronics | STMicroelectronics |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Active |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $12.60 | $16.19 |
| Core Architecture | Dual-core Arm Cortex-M7 (480 MHz) + Cortex-M4 (240 MHz) | Dual-core Arm Cortex-M7 + Cortex-M4 |
| Flash Memory | 2 MB (dual-bank, 2M x 8) | 2 MB (dual-bank) |
| SRAM | 1 MB | 1 MB (DTCM + AXI + SRAM1/2/3) |
| Backup SRAM | 4 KB | — |
| Package | 176+25 UFBGA (10x10 mm) | LQFP-144 (20x20 mm) |
| Supply Voltage | 1.62 V to 3.6 V | — |
| Operating Temperature | -40 C to +85 C | -40 °C to +85 °C (industrial grade) |
| Communication Interfaces | 46 (UART, SPI, I2C, CAN, USB, Ethernet, SDMMC) | Ethernet, USB OTG HS/FS, 2x CAN FD, 6x SPI, 4x I2C, USART/UART, SDMMC, SAI |
| ADC | 3 x 16-bit | 3 x 16-bit, up to 3.6 MSPS |
| DAC | 2 x 12-bit | 2 x 12-bit |
| On-chip SMPS | Yes (step-down for VCORE) | — |
| Graphics Accelerator | Chrom-ART | — |
| External Memory Controller | Yes (SDRAM/NOR/NAND/CompactFlash) | — |
| TFT-LCD Interface | Yes | — |
| AES Hardware | AES-256 | — |
| Mounting Type | Surface Mount (UFBGA) | Surface Mount |
| 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 |
| MSL Level | — | 3 (per JEDEC J-STD-020) |
| RoHS Status | — | Compliant |