ATMEGA3250A-AUR vs ATMEGA325A-AUR 对比
详细并排对比 ATMEGA3250A-AUR 出自 Microchip Technology 和 ATMEGA325A-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
ATMEGA3250A-AUR - 8-Bit AVR MCU, 32KB Flash, 20MHz | Microchip
ATMEGA3250A-AUR ✓ 量产中Microchip Technology
ATMEGA325A-AUR - 32KB Flash 20MHz 8-Bit AVR MCU | Microchip
ATMEGA325A-AUR ✓ 量产中规格对比
| 参数 | ATMEGA3250A-AUR | ATMEGA325A-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） | $3.55 | $2.72 |
| Core Processor | AVR | — |
| Core Size | 8-Bit | — |
| Program Memory Size | 32 KB (16K x 16) Flash | 32 KB (16K x 16) ISP Flash |
| EEPROM Size | 1 KB | 1 KB |
| RAM Size | 2 KB SRAM | — |
| 最大时钟频率 | 20 MHz | 20 MHz |
| I/O Count | 54 general purpose I/O lines | — |
| Supply Voltage Range | 2.7 V to 5.5 V | 1.8 V to 5.5 V |
| Data Converters | 10-bit ADC, 8 channels | — |
| Connectivity | SPI, UART/USART | — |
| Debug / Scan | JTAG (IEEE 1149.1 boundary scan, on-chip debug) | — |
| 封装 | 100-TQFP (14x14 mm, 0.8 mm pitch) | 64-TQFP (14x14 mm), 0.8 mm pitch |
| 安装类型 | Surface Mount | — |
| Packaging | Tape & Reel (TR) | — |
| Instruction Set | 131 AVR instructions, mostly single-cycle | 131 instructions, mostly single-cycle |
| In-System Programming | Yes, ISP Flash with read-while-write | — |
| Compliance | [DATA_NEEDED: RoHS/REACH status] | — |
| Core Architecture | — | 8-bit AVR RISC |
| SRAM Size | — | 2 KB |
| Number of I/O Lines | — | 54 |
| 安装方式 | — | Surface Mount |
| ADC Resolution | — | 10-bit |
| Timers | — | 2 x 8-bit, 1 x 16-bit |
| Communication Interfaces | — | 2 x USART, SPI, TWI (I2C) |
| Debug / Programming | — | JTAG, ICSP in-system programming |
| 工作温度 | — | -40C to +85C (industrial) |
| 生命周期状态 | — | Active |
| Reel Packaging | — | Tape & Reel (R suffix) |