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