ATSAMD51J19A-AU vs ATSAMD51J18A-AU 对比
详细并排对比 ATSAMD51J19A-AU 出自 Microchip Technology 和 ATSAMD51J18A-AU 出自 Microchip Technology。对比关键规格、电气参数、封装、生命周期状态、价格和供货情况，以确定最适合您设计需求的元器件。
Microchip Technology
ATSAMD51J19A-AU - 120MHz Cortex-M4F MCU, 512KB Flash | Microchip
ATSAMD51J19A-AU ✓ 量产中Microchip Technology
ATSAMD51J18A-AU - 120MHz Cortex-M4F MCU 256KB Flash 64-TQFP | Microchip
ATSAMD51J18A-AU ✓ 量产中规格对比
| 参数 | ATSAMD51J19A-AU | ATSAMD51J18A-AU |
|---|---|---|
| 品牌 | Microchip Technology | Microchip Technology |
| 分类 | Microcontrollers | Microcontrollers |
| 生命周期状态 | 有效 | 有效 |
| 库存状态 | 有库存 | 有库存 |
| 单价（USD） | $4.56 | $4.39 |
| Core Architecture | ARM Cortex-M4F with FPU | — |
| Maximum CPU Frequency | 120 MHz | — |
| Program Memory (Flash) | 512 KB (512K x 8) with ECC | 256 KB |
| SRAM | 192 KB | 256 KB |
| CoreMark Score | 273 (estimated from 120 MHz) | — |
| Supply Voltage (VDD) | 1.71 V to 3.63 V | — |
| 工作温度 | -40 C to +85 C (industrial) | — |
| 封装 | 64-pin TQFP (10 x 10 mm) | 64-pin TQFP (10x10 mm) |
| ADC | 12-bit, 1 MSPS | 12-bit, up to 1 MSPS |
| DAC | 2 x 12-bit | 12-bit |
| USB | USB 2.0 Full-Speed with integrated PHY | USB 2.0 Full-Speed with on-chip PHY |
| CAN-FD | 2 controllers | — |
| SERCOM | Up to 8 configurable (UART/SPI/I2C) | Up to 6 (configurable UART/SPI/I2C) |
| Peripheral Touch Controller (PTC) | Yes, up to 256 channels | — |
| Cryptographic Accelerator | AES + True Random Number Generator | — |
| 安装类型 | Surface Mount | Surface Mount (TQFP-64) |
| MSL 等级 | MSL3 (per JEDEC J-STD-020, typical) | 3 (168 hours) |
| RoHS 状态 | Compliant | Compliant |
| Core | — | ARM Cortex-M4F with single-precision FPU |
| Maximum CPU Clock | — | 120 MHz |
| Operating Voltage (VDDIO/VDDIN) | — | 1.62 V to 3.6 V |
| Operating Temperature (AU grade) | — | -40C to +85C |
| CoreMark/MHz | — | 2.46 |
| Touch Controller | — | Peripheral Touch Controller (PTC) |
| Lead-Free | — | Yes |
| ECC Support | — | Flash + SRAM ECC |