ATMEGA645A-MU vs ATMEGA325A-MU 对比
详细并排对比 ATMEGA645A-MU 出自 Microchip Technology 和 ATMEGA325A-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-MU - 8-bit AVR MCU 32KB 20MHz 64-QFN | Microchip
ATMEGA325A-MU ✓ 量产中规格对比
| 参数 | ATMEGA645A-MU | ATMEGA325A-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） | $3.70 | $3.49 |
| Core Processor | AVR | AVR |
| Core Size | 8-Bit | 8-Bit |
| Speed | 16 MHz | — |
| Flash Memory | 64 KB (32K x 16) | 32 KB (16K x 16) |
| EEPROM Size | 2 KB | — |
| RAM Size | 4 KB | — |
| Supply Voltage (Vcc/Vdd) | 1.8 V to 5.5 V | — |
| Number of I/O | 54 / 69 general purpose I/O lines | — |
| 封装 | 64-QFN (9x9 mm) Exposed Pad (64-VFQFN) | 64-QFN (9x9 mm) Exposed Pad |
| 安装类型 | Surface Mount | Surface Mount |
| 工作温度 | [DATA_NEEDED: Operating Temperature] | -40C to +85C (Industrial) |
| ADC Resolution | 10-bit | [DATA_NEEDED: ADC resolution] |
| Oscillator Type | Internal + External | — |
| Programming Interface | ISP, JTAG, ICSP | — |
| Series | AVR ATmega | — |
| RoHS 状态 | Compliant | Compliant |
| Max Clock Frequency | — | 20 MHz |
| SRAM | — | 2 KB |
| EEPROM | — | 1 KB |
| General Purpose I/O | — | 54 |
| 电源电压 | — | [DATA_NEEDED: supply voltage range] |
| Peripherals | — | [DATA_NEEDED: peripheral list] |
| Connectivity | — | [DATA_NEEDED: connectivity interfaces] |
| Programmability | — | In-System Programmable (ISP), read-while-write |
| Debug Interface | — | [DATA_NEEDED: JTAG/debug support] |
| MSL Rating | — | [DATA_NEEDED: moisture sensitivity level] |