ATMEGA328-AU vs ATMEGA325PA-AUR 对比
详细并排对比 ATMEGA328-AU 出自 Microchip Technology 和 ATMEGA325PA-AUR 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-AU - 8-bit AVR MCU 20MHz 32KB Flash TQFP-32 | Microchip (Tape & Reel)
ATMEGA328-AU ✓ 量产中Microchip Technology
ATMEGA325PA-AUR - 8-bit AVR MCU 32KB Flash 20MHz | Microchip
ATMEGA325PA-AUR ✓ 量产中规格对比
| 参数 | ATMEGA328-AU | ATMEGA325PA-AUR |
|---|---|---|
| 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） | $1.65 | $3.90 |
| Core Processor | AVR 8-bit RISC | — |
| Core Size | 8-bit | — |
| Speed | 20 MHz | — |
| Flash Memory | 32 KB (16K x 16) | — |
| EEPROM | 1 KB | 1 KB |
| SRAM | 2 KB | 2 KB |
| Number of I/O | 23 | — |
| ADC Resolution | 10-bit | 10-bit |
| Number of ADC Channels | 8 (TQFP-32) | — |
| Timers/Counters | 2 x 8-bit, 1 x 16-bit | — |
| Communication Interfaces | USART, SPI, TWI (I2C) | — |
| Supply Voltage Range | 2.5 V to 5.5 V | 1.8 V to 5.5 V |
| 工作温度 | -40C to +85C | — |
| 封装 | 32-TQFP (7x7 mm) | 64-TQFP (14x14 mm) |
| 安装类型 | Surface Mount | Surface Mount |
| Packaging | Tape & Reel (R suffix) | Tape & Reel (R suffix) |
| Programmability | In-System Programmable (ISP), read-while-write | — |
| RoHS 状态 | Compliant | Green / RoHS compliant |
| Core Architecture | — | 8-bit AVR RISC |
| Flash Program Memory | — | 32 KB (16K x 16) |
| 最大时钟频率 | — | 20 MHz |
| Maximum Throughput | — | 20 MIPS at 20 MHz |
| ADC Channels | — | 8-channel |
| Debug / Boundary Scan | — | JTAG interface for on-chip debug |
| Low Power Technology | — | picoPower |
| I/O Ports | — | 32 I/O |
| Temperature Grade | — | Industrial (IND) |
| Life Cycle Stage | — | Active |