ATMEGA168-20MQR vs ATMEGA168A-MUR 对比
详细并排对比 ATMEGA168-20MQR 出自 Microchip Technology 和 ATMEGA168A-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。
Microchip Technology
ATMEGA168-20MQR - 8-bit AVR MCU 20MHz 16KB Flash | Microchip
ATMEGA168-20MQR ✓ 量产中Microchip Technology
ATMEGA168A-MUR - 8-Bit AVR MCU 16KB Flash 20MHz | Microchip
ATMEGA168A-MUR Nrnd规格对比
| 参数 | ATMEGA168-20MQR | ATMEGA168A-MUR |
|---|---|---|
| 品牌 | Microchip Technology | Microchip Technology |
| 分类 | Microcontrollers | Microcontrollers |
| 生命周期状态 | 有效 | 不推荐新设计 |
| 库存状态 | 有库存 | 有库存 |
| 单价（USD） | $2.38 | $1.85 |
| Core Processor | AVR | AVR |
| Core Size | 8-bit | 8-Bit |
| Speed | 20 MHz | — |
| Program Memory Size | 16 KB (8K x 16) FLASH | 16 KB (8K x 16) Flash |
| EEPROM Size | 512 B | 512 B |
| RAM Size | 1 KB SRAM | — |
| Number of I/O | 23 | — |
| General Purpose Working Registers | 32 x 8-bit | 32 |
| Supply Voltage Range | 4.5 V to 5.5 V (at 20 MHz); 2.0 V min per device family | 2.7 V to 5.5 V |
| 工作温度 | -40C to +85C | -40 C to +85 C |
| ADC Resolution | 10-bit | 10-bit |
| Number of ADC Channels | 8 (6 external + ADC6/ADC7 on QFN) | — |
| Peripherals | Brown-out Detect/Reset, POR, PWM, WDT | — |
| Connectivity | SPI, UART/USART, TWI (I2C-compatible) | I2C, SPI, UART/USART |
| Timers | 2 x 8-bit, 1 x 16-bit | — |
| Oscillator Type | Internal (calibrated RC) plus external crystal | — |
| 封装 | 32-VQFN (5x5 mm) Exposed Pad | 32-VQFN Exposed Pad (5x5 mm) |
| 安装类型 | Surface Mount | Surface Mount |
| Programming | ISP, ICD, ICSP (2 I/O pins + reset) | — |
| Maximum Clock Speed | — | 20 MHz |
| SRAM Size | — | 1 KB |
| Number of I/O Lines | — | 23 |
| Instruction Set | — | 133 powerful instructions, most single clock cycle |
| Timers/Counters | — | Three flexible timer/counters with compare modes |
| Packaging | — | Tape & Reel (TR) |
| 生命周期状态 | — | NRND (Not Recommended for New Designs) |
| RoHS 状态 | — | [DATA_NEEDED: RoHS status] |
| MSL 等级 | — | [DATA_NEEDED: MSL level] |