ATMEGA8A-MUR vs ATMEGA8U2-MUR 对比
详细并排对比 ATMEGA8A-MUR 出自 Microchip Technology 和 ATMEGA8U2-MUR 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。
规格对比
| 参数 | ATMEGA8A-MUR | ATMEGA8U2-MUR |
|---|---|---|
| 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） | $0.70 | $1.94 |
| Core Processor | AVR | AVR |
| Core Size | 8-Bit | 8-bit |
| Speed | 16 MHz | — |
| Program Memory Type | FLASH | — |
| Program Memory Size | 8 KB (4K x 16) | 8 KB (4K x 16) FLASH |
| EEPROM Size | 512 B | 512 B |
| RAM Size | 1 KB | — |
| Number of I/O | 23 | 22 |
| 电源电压 | 4.5 V to 5.5 V | [DATA_NEEDED: supply voltage range] |
| ADC Resolution | 10-bit | — |
| ADC Channels | 6 | — |
| Connectivity | I2C, SPI, UART/USART | SPI, UART/USART, USB |
| Peripherals | Brown-out Detect/Reset, POR, PWM, WDT | — |
| Timers/Counters | 3 (two 8-bit, one 16-bit) | 2 (with compare modes and PWM) |
| Instructions | 130 (mostly single-cycle) | — |
| 工作温度 | -40C to +85C | [DATA_NEEDED: operating temperature range] |
| 封装 | 32-VQFN (5x5 mm) | 32-VFQFN (5x5 mm) Exposed Pad |
| 安装类型 | Surface Mount | Surface Mount |
| 生命周期状态 | Active | — |
| 最大时钟频率 | — | 16 MHz |
| SRAM Size | — | 512 B |
| USB Controller | — | Full-speed USB 2.0 device |
| Watchdog Timer | — | Yes (programmable) |
| 数据总线宽度 | — | 8 bit |
| Packaging | — | Tape & Reel (TR) |
| RoHS 状态 | — | Compliant |