ATSAML21G18B-MNT vs ATSAML21J17B-MNT 对比
详细并排对比 ATSAML21G18B-MNT 出自 Microchip Technology 和 ATSAML21J17B-MNT 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
ATSAML21G18B-MNT - ARM Cortex-M0+ MCU 256KB Flash 48MHz | Microchip
ATSAML21G18B-MNT ✓ 量产中Microchip Technology
ATSAML21J17B-MNT - 48MHz Cortex-M0+ MCU 128KB Flash | Microchip
ATSAML21J17B-MNT ✓ 量产中规格对比
| 参数 | ATSAML21G18B-MNT | ATSAML21J17B-MNT |
|---|---|---|
| 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） | $2.34 | $3.05 |
| Core Architecture | ARM Cortex-M0+ | — |
| Family | SAM L21 (Functional Safety, FuSa) | — |
| 数据总线宽度 | 32-bit | — |
| Maximum CPU Frequency | 48 MHz | — |
| Program Memory Size | 256 KB (256K x 8) Flash | — |
| RAM Size | 40 KB SRAM | — |
| Supply Voltage Range | 1.6 V to 3.6 V | — |
| 工作温度范围 | -40C to +85C | — |
| 封装 | 48-QFN (7x7 mm) | 64-pin QFN (9 x 9 mm) with exposed pad |
| 安装类型 | Surface Mount | Surface Mount |
| Active Mode Current | Under 35 uA/MHz | < 35 µA/MHz |
| Sleep Mode Current | 200 nA | 200 nA (typical) |
| ADC | 12-bit, up to 20 channels | 12-bit, up to 1 MSPS |
| Timer/Counters | Six 16-bit | — |
| DMA Channels | Yes | — |
| Communication Interfaces | Up to 6 SERCOM (UART/SPI/I2C configurable) | — |
| RoHS 状态 | Compliant | Green / RoHS compliant (per Mouser listing) |
| MSL 等级 | [DATA_NEEDED: MSL rating] | — |
| Core | — | ARM Cortex-M0+ (32-bit) |
| Maximum CPU Clock | — | 48 MHz |
| CoreMark / MHz | — | 2.46 |
| Flash Memory | — | 128 KB (128K x 8) |
| SRAM | — | 16 KB |
| Supply Voltage (VDD) | — | 1.6 V to 3.6 V |
| 工作温度 | — | -40°C to +85°C (industrial) |
| DAC Channels | — | Yes (peripherals present, exact channel count not in supplied data) |
| USB | — | Full-speed USB 2.0 with on-chip 3.3V regulator |
| Segment LCD Controller | — | Yes, integrated |
| Functional Safety (FuSa) | — | Yes (IEC 60730 / UL 60730 Class B support libraries) |
| Crypto / TRNG | — | AES + TRNG (peripherals present in family) |
| Carrier Type | — | Tape and Reel |