ATMEGA168-20MQ vs ATMEGA328P-MU 对比
详细并排对比 ATMEGA168-20MQ 出自 Microchip Technology 和 ATMEGA328P-MU 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 | ATMEGA168-20MQ | ATMEGA328P-MU |
|---|---|---|
| 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） | $2.47 | $2.85 |
| Core Processor | AVR | — |
| Core Size | 8-Bit | — |
| Speed | 20 MHz | — |
| Throughput | Up to 20 MIPS at 20 MHz | — |
| Flash Memory | 16 KB (8K x 16) | — |
| EEPROM | 512 B | 1 KB |
| SRAM | 1 KB | 2 KB |
| General Purpose I/O | 23 | — |
| Working Registers | 32 | — |
| ADC | 8-channel 10-bit (on 32-pad packages) | 10-bit, 8 channels (6 + 2 dedicated QFN/VFP) |
| Supply Voltage (family) | 1.8 V to 5.5 V | — |
| Supply Voltage (20 MHz speed grade) | 4.5 V to 5.5 V | — |
| Communication Interfaces | USART, SPI, I2C (TWI) | USART, SPI (master/slave), TWI (I2C-compatible) |
| Timers | 2 x 8-bit, 1 x 16-bit | — |
| Debug | debugWIRE on-chip debug system | — |
| 封装 | 32-VQFN (5x5 mm) with exposed pad | 32-pin VQFN (5x5 mm, exposed pad) |
| 安装类型 | Surface Mount | Surface Mount |
| RoHS 状态 | Compliant (green package) | Compliant |
| 工作温度 | [DATA_NEEDED: operating temperature range of Q suffix] | -40 C to +85 C (industrial) |
| Instructions | 131, most single-clock cycle | — |
| Core Architecture | — | AVR 8-bit RISC |
| Maximum Clock Speed | — | 20 MHz |
| Instruction Throughput | — | 20 MIPS |
| Flash Program Memory | — | 32 KB (16 K x 16) |
| Operating Voltage Range | — | 1.8 V to 5.5 V |
| General-Purpose I/O | — | 23 lines |
| Timers/Counters | — | 2 x 8-bit, 1 x 16-bit |
| On-chip Oscillator | — | Internal 8 MHz calibrated, 128 kHz |
| Programming Interface | — | ISP, debugWIRE, TPI |