ATMEGA645A-MUR vs ATMEGA645V-8MUR 对比
详细并排对比 ATMEGA645A-MUR 出自 Microchip Technology 和 ATMEGA645V-8MUR 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 | ATMEGA645A-MUR | ATMEGA645V-8MUR |
|---|---|---|
| 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） | $6.30 | $1.98 |
| 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 | — |
| 最大时钟频率 | 16 MHz (per DigiKey listing); family rated to 20 MHz | 8 MHz |
| 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 | — |
| 封装 | 64-QFN / MLF, 9x9 mm | 64-QFN (9x9 mm) Exposed Pad (64-VFQFN) |
| 安装类型 | Surface Mount | Surface Mount |
| Temperature Range | Industrial (-40C to +85C) | — |
| Programming | In-System Programmable (ISP) Flash, read-while-write | — |
| Debug Interface | JTAG (debugWIRE/ICSP supported via MPLAB SNAP) | — |
| RoHS 状态 | Green / RoHS compliant (per FindIC listing) | Green / RoHS compliant per FindIC listing |
| Packaging | Tape & Reel (R suffix) | — |
| 生命周期状态 | Active | — |
| Core Processor | — | AVR |
| Core Size | — | 8-Bit |
| Series | — | AVR ATmega |
| 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 |
| 工作温度 | — | [DATA_NEEDED: operating temperature range] |
| Packing | — | Tape & Reel (R suffix) |