ATMEGA3290V-8AUR vs ATMEGA645V-8AUR 对比
详细并排对比 ATMEGA3290V-8AUR 出自 Microchip Technology 和 ATMEGA645V-8AUR 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
ATMEGA3290V-8AUR - AVR 8-bit MCU 32KB Flash 8MHz | Microchip
ATMEGA3290V-8AUR ✓ 量产中Microchip Technology
ATMEGA645V-8AUR - 8-bit AVR MCU 64KB Flash 8MHz | Microchip
ATMEGA645V-8AUR ✓ 量产中规格对比
| 参数 | ATMEGA3290V-8AUR | ATMEGA645V-8AUR |
|---|---|---|
| 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） | $2.30 | $4.20 |
| Core Processor | AVR | — |
| Core Size | 8-Bit | — |
| Speed | 8 MHz | — |
| Flash Memory Size | 32 KB (16K x 16) | — |
| EEPROM Size | 1 KB | — |
| RAM Size | 2 KB | — |
| Supply Voltage Range | 1.8 V to 5.5 V | — |
| Number of I/O | 69 | — |
| Peripherals | LCD, POR, PWM, WDT | — |
| ADC Resolution | 10-bit | — |
| ADC Channels | 10 | — |
| Communication Interfaces | SPI, UART/USART, TWI (I2C) | — |
| Oscillator Type | Internal | — |
| 工作温度 | -40C to +85C | — |
| 封装 / 外壳 | 100-TQFP (14x14 mm) | — |
| 安装类型 | Surface Mount | Surface Mount |
| Programming Method | ISP, JTAG, Parallel | In-System Programmable (ISP) |
| Life Cycle Stage | Active | — |
| RoHS 状态 | Compliant | Compliant (green package per FindIC listing) |
| Core Architecture | — | AVR 8-bit RISC, 130 instructions |
| Flash Memory | — | 64 KB In-System Programmable |
| EEPROM | — | 2 KB |
| SRAM | — | 4 KB |
| 最大时钟频率 | — | 8 MHz |
| Operating Voltage | — | 1.8 V to 5.5 V (V-grade) |
| 封装 | — | TQFP-64 |
| Terminal Form | — | Gull Wing |
| Package Shape | — | Square |
| Number of Terminals | — | 64 |
| Temperature Grade | — | Industrial |
| Throughput | — | Up to 8 MIPS at 8 MHz (approx. 1 MIPS/MHz) |
| Packing | — | Tape & Reel (R suffix) |