ATMEGA168A-MU vs ATMEGA168-20MUR 对比
详细并排对比 ATMEGA168A-MU 出自 Microchip Technology 和 ATMEGA168-20MUR 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
ATMEGA168A-MU - 8-bit AVR MCU 16KB Flash 20MHz VQFN-32 | Microchip
ATMEGA168A-MU ✓ 量产中Microchip Technology
ATMEGA168-20MUR - AVR 8-Bit MCU 20MHz 16KB Flash | Microchip
ATMEGA168-20MUR ✓ 量产中规格对比
| 参数 | ATMEGA168A-MU | ATMEGA168-20MUR |
|---|---|---|
| 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） | $1.38 | $2.12 |
| Core Architecture | 8-bit AVR RISC | — |
| Flash Memory | 16 KB (8K x 16) ISP | — |
| EEPROM | 512 B | — |
| SRAM | 1 KB | — |
| 最大时钟频率 | 20 MHz | — |
| Maximum Throughput | 20 MIPS at 20 MHz | — |
| Supply Voltage Range | 2.7 V to 5.5 V | 2.7 V to 5.5 V |
| General Purpose I/O Lines | 23 | — |
| Working Registers | 32 x 8-bit general purpose | — |
| Timer/Counters | 3 flexible with compare modes | — |
| ADC | 10-bit, 6-channel (QFN package) | — |
| Serial Interfaces | USART, SPI, 2-wire (I2C/TWI) | — |
| 封装 | 32-VQFN (5x5 mm) exposed pad | 32-VQFN (5x5 mm) exposed pad |
| 安装类型 | Surface Mount | Surface Mount |
| 生命周期状态 | Active | Active |
| 数据总线宽度 | 8 bit | — |
| 工作温度 | [DATA_NEEDED: operating temperature range] | -40C to +85C (Industrial) |
| Instruction Set | 133 instructions, mostly single-cycle | — |
| Core Processor | — | AVR |
| Core Size | — | 8-Bit |
| Speed | — | 20 MHz |
| Program Memory Size | — | 16 KB (8K x 16) FLASH |
| EEPROM Size | — | 512 B |
| RAM Size | — | 1 KB |
| Number of I/O | — | 23 |
| ADC Resolution | — | 10-bit |
| ADC Channels | — | 8 (TQFP/QFN packages) |
| Timers | — | Three flexible timer/counters |
| Communication Interfaces | — | USART, SPI, I2C (TWI) |
| On-Chip Debug | — | debugWIRE |
| Programming | — | ISP, ICSP (2 I/O pins + reset) |
| RoHS 状态 | — | Compliant (Green) |