STM32H7B3ZIT6 vs STM32H743ZIT6 Comparison
Detailed side-by-side comparison of STM32H7B3ZIT6 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
STM32H7B3ZIT6 - 280MHz Cortex-M7 MCU, 2MB Flash | STMicroelectronics
STM32H7B3ZIT6 ✓ ActiveSTMicroelectronics
STM32H743ZIT6 - 480MHz Cortex-M7 MCU, 2MB Flash | STMicroelectronics
STM32H743ZIT6 ✓ ActiveSpecification Comparison
| Parameter | STM32H7B3ZIT6 | STM32H743ZIT6 |
|---|---|---|
| Brand | STMicroelectronics | STMicroelectronics |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Active |
| Stock Status | — | In Stock |
| Unit Price (USD) | — | $10.65 |
| Core | Arm Cortex-M7 | — |
| Max Clock Speed | 280 MHz | — |
| Flash Memory | 2 MB | 2 MB |
| SRAM | 1.4 MB | 1 MB (includes 64 KB DTCM + AXI SRAM) |
| Package | LQFP144 (20x20 mm) | LQFP-144 (20x20 mm) |
| Supply Voltage | 1.62 V to 3.6 V | — |
| Operating Temperature | -40C to +85C | -40 C to +85 C (industrial grade) |
| GPIO Pins | 114 | — |
| ADC | 3x 16-bit, 3.6 MSPS | 3x 12-bit, up to 3.6 MSPS |
| DAC | 2x 12-bit | 2x 12-bit |
| Communication Interfaces | Ethernet, USB OTG HS, 4x USART, 4x SPI, 4x I2C, 2x FDCAN | USART, SPI, I2C, CAN FD, USB OTG, Ethernet MAC, SDMMC |
| Timers | 20x 16-bit, 2x 32-bit | Advanced-control, general-purpose, basic; HRTIM |
| DMA | 2x DMA controllers with 16 streams each | — |
| Cryptographic Acceleration | AES, DES, 3DES, SHA-1, SHA-256 | — |
| CoreMark | 856 | — |
| RoHS Status | Compliant | Compliant |
| Core Architecture | — | ARM Cortex-M7 with double-precision FPU |
| Maximum Clock Speed | — | 480 MHz |
| Instruction Cache | — | 16 KB |
| Data Cache | — | 16 KB |
| Operating Voltage | — | 1.62 V to 3.6 V |
| Graphics Accelerator | — | Chrom-ART (DMA2D) |
| Cryptography | — | AES, SHA, TRNG (hardware) |
| Mounting Type | — | Surface Mount |
| MSL Level | — | 3 (168 hours) |