ATMEGA328-MMHR vs ATMEGA168PB-MU 对比
详细并排对比 ATMEGA328-MMHR 出自 Microchip Technology 和 ATMEGA168PB-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。
Microchip Technology
ATMEGA328-MMHR - 8-Bit AVR MCU 20MHz 32KB Flash | Microchip
ATMEGA328-MMHR ✓ 量产中Microchip Technology
ATMEGA168PB-MU - 8-bit AVR MCU 16KB Flash 20MHz QFN-32 | Microchip
ATMEGA168PB-MU ✓ 量产中规格对比
| 参数 | ATMEGA328-MMHR | ATMEGA168PB-MU |
|---|---|---|
| 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） | $1.80 | $1.31 |
| Core | AVR 8-bit RISC | — |
| Core Size | 8-bit | 8-Bit |
| Speed | 20 MHz | 20 MHz |
| Flash Memory | 32 KB (16K x 16) | 16 KB (8K x 16) |
| SRAM | 2 KB | 1 KB |
| EEPROM | 512 B | 512 B |
| Supply Voltage Range | 1.8 V to 5.5 V | 1.8 V to 5.5 V |
| 工作温度 | -40C to +85C | -40C to +85C (Industrial) |
| Number of I/O | 23 | — |
| ADC Channels | 6 x 10-bit | — |
| Timers | 2 x 8-bit, 1 x 16-bit | — |
| Communication Interfaces | USART, SPI, 2-Wire (I2C) | — |
| 封装 | 28-VQFN (4x4 mm) Exposed Pad | 32-VFQFN (5x5 mm) with exposed pad |
| 安装类型 | Surface Mount | Surface Mount |
| Programming Interface | SPI ISP, debugWIRE | — |
| Sleep Modes | Idle, ADC Noise Reduction, Power-save, Power-down, Standby, Extended Standby | — |
| RoHS 状态 | Compliant (Green package) | Compliant (Green package) |
| Core Processor | — | AVR |
| General Purpose I/O | — | 27 |
| Working Registers | — | 32 |
| Timers/Counters | — | 3 flexible timers/counters with compare modes |
| ADC Resolution | — | 10-bit |
| Connectivity | — | USART, SPI, I2C (Two-Wire Interface) |
| Technology | — | picoPower low-power CMOS |
| Throughput | — | Approaching 1 MIPS per MHz |