ATMEGA3250PA-AUR vs ATMEGA325A-AU 对比
详细并排对比 ATMEGA3250PA-AUR 出自 Microchip Technology 和 ATMEGA325A-AU 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
ATMEGA3250PA-AUR - 8-bit AVR MCU 32KB Flash 20MHz | Microchip
ATMEGA3250PA-AUR ✓ 量产中Microchip Technology
ATMEGA325A-AU - AVR 8-bit MCU 32KB Flash 20MHz 64TQFP | Microchip
ATMEGA325A-AU ✓ 量产中规格对比
| 参数 | ATMEGA3250PA-AUR | ATMEGA325A-AU |
|---|---|---|
| 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） | $2.98 | $3.12 |
| Core Processor | AVR | — |
| Core Size | 8-bit | — |
| Speed | 20 MHz | — |
| Flash Memory | 32 KB (16K x 16) | 32 KB (16K x 16) ISP Flash with read-while-write |
| SRAM | 2 KB | 2 KB |
| EEPROM | 1 KB | 1 KB |
| Number of I/O | 69 | — |
| General Purpose Working Registers | 32 | — |
| Instructions | 131 (mostly single-cycle) | 131 powerful instructions, most single-cycle |
| Supply Voltage Range | 1.8 V to 5.5 V | — |
| 工作温度 | -40C to +85C | — |
| 封装 | 100-TQFP (14x14 mm) | 64-TQFP, 14 x 14 mm, 0.8 mm pitch |
| 安装类型 | Surface Mount | Surface Mount |
| Debug / Programming | JTAG, ICSP (In-Circuit Serial Programming) | — |
| Low Power Technology | picoPower | — |
| Connectivity | USART, SPI, I2C (Two-Wire Interface) | — |
| Packaging | Tape & Reel (TR) | — |
| RoHS 状态 | Compliant (Green) | Green (lead-free, per FindIC listing) |
| Core Architecture | — | 8-bit AVR RISC |
| 最大时钟频率 | — | 20 MHz |
| General Purpose I/O | — | 54 lines |
| Working Registers | — | 32 general purpose registers |
| Debug / Test Interface | — | JTAG (on-chip debug and boundary scan) |
| 电源电压 | — | 4.5 V to 5.5 V |
| Temperature Grade | — | Industrial |
| Lifecycle Stage | — | ACTIVE |
| 工作温度范围 | — | [DATA_NEEDED: operating temperature range] |
| Moisture Sensitivity Level | — | [DATA_NEEDED: MSL level] |