ATMEGA328-MMH vs ATMEGA168PA-MU 对比
详细并排对比 ATMEGA328-MMH 出自 Microchip Technology 和 ATMEGA168PA-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-MMH - 8-Bit AVR MCU 20MHz 32KB Flash VQFN-28 | Microchip
ATMEGA328-MMH ✓ 量产中Microchip Technology
ATMEGA168PA-MU - 8-bit AVR MCU 16KB 20MHz VQFN-32 | Microchip
ATMEGA168PA-MU ✓ 量产中规格对比
| 参数 | ATMEGA328-MMH | ATMEGA168PA-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） | $1.66 | $1.72 |
| Core Processor | AVR | 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) |
| EEPROM | 1 KB | 512 B |
| SRAM | 2 KB | 1 KB |
| Supply Voltage Range | 2.5 V to 5.5 V | 1.8 V to 5.5 V |
| General Purpose I/O | 23 | — |
| ADC Resolution | 10-bit | 10-bit |
| ADC Channels | 8 | — |
| Timers | Two 8-bit, One 16-bit | Two 8-bit, One 16-bit |
| Communication Interfaces | USART, SPI, I2C (Two-Wire) | I2C, SPI, USART |
| 封装 | 28-VQFN (4x4 mm) with exposed pad | 32-VQFN (5x5 mm, 0.5 mm pitch, MLF-32) |
| 安装类型 | Surface Mount | Surface Mount |
| 工作温度 | [DATA_NEEDED: operating temperature range] | -40C to +85C |
| RoHS 状态 | Green (RoHS compliant per Mouser listing) | Compliant (GREEN) |
| 生命周期状态 | Active | — |
| Packaging | Tray | — |
| Number of I/O | — | 23 |
| Number of ADC Channels | — | 6 |
| Peripherals | — | Brown-out Detect/Reset, POR, PWM, WDT |
| 数据总线宽度 | — | 8 Bit |
| Oscillator Type | — | Internal |