ATSAML21J18A-MUT vs ATSAML21J18B-MUT 对比
详细并排对比 ATSAML21J18A-MUT 出自 Microchip Technology 和 ATSAML21J18B-MUT 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
ATSAML21J18A-MUT - 48MHz Cortex-M0+ MCU, 256KB Flash | Microchip
ATSAML21J18A-MUT ✓ 量产中Microchip Technology
ATSAML21J18B-MUT - SAM L21 Cortex-M0+ 256KB Flash 48MHz QFN-64 MCU | Microchip
ATSAML21J18B-MUT ✓ 量产中规格对比
| 参数 | ATSAML21J18A-MUT | ATSAML21J18B-MUT |
|---|---|---|
| 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） | $3.74 | $4.68 |
| Core | ARM Cortex-M0+ | — |
| Core Architecture | ARMv6-M | 32-bit RISC |
| Maximum CPU Clock | 48 MHz | — |
| Flash Memory | 256 KB | — |
| SRAM | 32 KB | 32 KB |
| Supply Voltage Range | 1.62 V to 3.63 V | — |
| 封装 | 64-QFN (9x9 mm) with exposed pad | — |
| 工作温度 | -40 C to +85 C | -40C to +85C (industrial) |
| ADC | 12-bit, up to 1 MSPS | 12-bit, up to 20 channels |
| DAC | 10-bit, 350 kSPS | 12-bit, 1 channel |
| USB | USB 2.0 Full-Speed device, on-chip transceiver | — |
| SERCOM Channels | 6 (configurable as USART, I2C, SPI) | — |
| Timers | 6 (TC, TCC) | — |
| Touch Peripheral | PTC (Peripheral Touch Controller), up to 256 channels | — |
| I/O Pins | Up to 51 | 51 |
| RoHS 状态 | Compliant | Compliant |
| 安装类型 | Surface Mount | Surface Mount |
| MSL 等级 | MSL3 | 3 (168 hours) |
| AEC-Q100 | Not qualified | — |
| Lead-Free / Halogen-Free | Lead-free; halogen-free status per datasheet | — |
| Core Processor | — | ARM Cortex-M0+ |
| Maximum CPU Frequency | — | 48 MHz |
| CoreMark Score | — | 2.46 CoreMark/MHz |
| Program Memory (Flash) | — | 256 KB (256K x 8) |
| Operating Voltage Range | — | 1.62 V to 3.63 V |
| Communication Interfaces | — | SERCOM (UART/SPI/I2C), I2S, USB 2.0 FS |
| Timers/Counters | — | TC, TCC (16-bit) |
| Active Mode Current | — | <35 uA/MHz |
| Sleep Mode Current | — | 200 nA |
| Package Type | — | QFN-64 (9x9 mm) |
| Functional Safety | — | IEC 60730 class B (FuSa) |