ATMEGA645V-8MUR vs ATMEGA645A-MUR 对比
详细并排对比 ATMEGA645V-8MUR 出自 Microchip Technology 和 ATMEGA645A-MUR 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
ATMEGA645A-MUR - 8-bit AVR MCU 64KB Flash 64-QFN | Microchip
ATMEGA645A-MUR ✓ 量产中规格对比
| 参数 | ATMEGA645V-8MUR | ATMEGA645A-MUR |
|---|---|---|
| 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） | $1.98 | $6.30 |
| Core Processor | AVR | — |
| Core Size | 8-Bit | — |
| Series | AVR ATmega | — |
| 最大时钟频率 | 8 MHz | 16 MHz (per DigiKey listing); family rated to 20 MHz |
| Program Memory Size | 64KB (32K x 16) FLASH | — |
| Program Memory Type | In-System Programmable FLASH | — |
| EEPROM Size | 2KB | — |
| RAM Size | 4KB SRAM | — |
| Operating Voltage Range | 1.8 V to 5.5 V (V grade) | — |
| Supply Voltage - Min | 1.8 V | — |
| Supply Voltage - Max | 5.5 V | — |
| Number of I/O | [DATA_NEEDED: number of general purpose I/O lines] | — |
| ADC Resolution | 10-bit | — |
| Peripherals | Timer/Counters, PWM, Brown-out Detect/Reset, WDT | — |
| Communication Interfaces | USART, SPI, I2C (Two-Wire Interface), JTAG | — |
| 封装 | 64-QFN (9x9 mm) Exposed Pad (64-VFQFN) | 64-QFN / MLF, 9x9 mm |
| 安装类型 | Surface Mount | Surface Mount |
| 工作温度 | [DATA_NEEDED: operating temperature range] | — |
| Packing | Tape & Reel (R suffix) | — |
| RoHS 状态 | Green / RoHS compliant per FindIC listing | Green / RoHS compliant (per FindIC listing) |
| Core Architecture | — | AVR 8-bit RISC |
| Flash Memory | — | 64 KB (32K x 16) ISP Flash |
| EEPROM | — | 2 KB |
| SRAM | — | 4 KB |
| 数据总线宽度 | — | 8 bit |
| 电源电压 | — | 4.5 V to 5.5 V |
| General Purpose I/O | — | 54 I/O lines (family 54/69 depending on package) |
| Working Registers | — | 32 general purpose |
| Temperature Range | — | Industrial (-40C to +85C) |
| Programming | — | In-System Programmable (ISP) Flash, read-while-write |
| Debug Interface | — | JTAG (debugWIRE/ICSP supported via MPLAB SNAP) |
| Packaging | — | Tape & Reel (R suffix) |
| 生命周期状态 | — | Active |