ATMEGA325A-MN vs ATMEGA64A-MU 对比
详细并排对比 ATMEGA325A-MN 出自 Microchip Technology 和 ATMEGA64A-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
ATMEGA325A-MN - 8-bit AVR MCU 32KB Flash 20MHz QFN-64 | Microchip
ATMEGA325A-MN ✓ 量产中
规格对比
| 参数 | ATMEGA325A-MN | ATMEGA64A-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） | $3.17 | $4.24 |
| Core Architecture | 8-bit AVR RISC | 8-bit AVR RISC |
| Program Memory Size | 32 KB (16K x 16) Flash | — |
| Program Memory Type | ISP Flash (read-while-write) | — |
| SRAM Size | 2 KB (2K x 8) | — |
| EEPROM Size | 1 KB | — |
| Maximum Clock Speed | 20 MHz | — |
| Number of I/O | 54 | — |
| General Purpose Working Registers | 32 | — |
| Instruction Set | 130 instructions, most single-cycle | — |
| Debug Interface | JTAG (boundary scan + on-chip debug) | — |
| Oscillator Type | Internal RC | — |
| 封装 / 外壳 | 64-VFQFN Exposed Pad (9x9 mm) | — |
| 工作温度 | -40C to +105C | — |
| 安装方式 | Surface Mount | — |
| Packaging | Tube | — |
| 电源电压 | [DATA_NEEDED: supply voltage range] | — |
| Max Clock Frequency | — | 16 MHz |
| Flash Memory | — | 64 KB (32K x 16) ISP, read-while-write |
| EEPROM | — | 2 KB |
| SRAM | — | 4 KB |
| General Purpose I/O | — | 53 lines |
| Working Registers | — | 32 |
| Timer/Counters | — | 4 (two 8-bit, two 16-bit) plus RTC |
| USART Interfaces | — | 2 |
| ADC | — | 8-channel 10-bit |
| TWI (I2C) | — | Yes, byte-oriented |
| SPI | — | Yes |
| JTAG Interface | — | Yes (on-chip debug and boundary scan) |
| Supply Voltage Range | — | [DATA_NEEDED: Supply Voltage Range] |
| 工作温度范围 | — | [DATA_NEEDED: Operating Temperature Range] |
| 封装 | — | 64-QFN (9x9 mm), exposed pad, surface mount |
| 安装类型 | — | Surface Mount |
| Pin Compatibility | — | 100% pin compatible with ATmega103 |