ATMEGA6490V-8AUR vs ATMEGA640V-8AU 对比
详细并排对比 ATMEGA6490V-8AUR 出自 Microchip Technology 和 ATMEGA640V-8AU 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
ATMEGA6490V-8AUR - 8-bit AVR MCU 64KB LCD 8MHz TQFP-100 | Microchip
ATMEGA6490V-8AUR ✓ 量产中Microchip Technology
ATMEGA640V-8AU - 8MHz 64KB Flash AVR MCU 100-TQFP | Microchip
ATMEGA640V-8AU ✓ 量产中规格对比
| 参数 | ATMEGA6490V-8AUR | ATMEGA640V-8AU |
|---|---|---|
| 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） | $9.42 | $3.95 |
| Core Processor | AVR 8-bit RISC | — |
| Core Size | 8-bit | — |
| Speed | 8 MHz | — |
| Flash Memory | 64 KB (32K x 16) ISP, read-while-write | 64 KB (32K x 16) |
| EEPROM | 2 KB | 4 KB |
| SRAM | 4 KB | 8 KB |
| GPIO | 54 / 69 general purpose I/O lines | — |
| Working Registers | 32 x 8-bit general purpose | — |
| LCD Controller | Integrated segment LCD driver | — |
| Operating Voltage | 1.8 V to 5.5 V | — |
| Debug / Programming | JTAG (boundary-scan, on-chip debug, ISP) | — |
| Peripherals | Brown-out detect/reset, POR, picoPower | — |
| Connectivity | SPI, TWI (I2C), USART | — |
| 封装 | 100-TQFP (14x14 mm) | 100-TQFP (14 x 14 mm) |
| 安装类型 | Surface Mount | Surface Mount |
| Packing | Tape & Reel (R suffix) | — |
| Temperature Grade | [DATA_NEEDED: operating temperature range] | — |
| RoHS 状态 | [DATA_NEEDED: RoHS compliance status] | Compliant |
| Core Architecture | — | 8-bit AVR RISC |
| Max Clock Frequency | — | 8 MHz |
| Supply Voltage Range | — | 1.8 V to 5.5 V |
| General Purpose I/O | — | 86 lines |
| Timers/Counters | — | 6 |
| USART Interfaces | — | 4 |
| Serial Interfaces | — | SPI, 2-wire (I2C-compatible), 4x USART |
| ADC | — | 10-bit, 16-channel |
| Analog Comparator | — | Yes, on-chip |
| Watchdog Timer | — | Yes, with separate on-chip oscillator |
| External Memory Interface | — | EBI/EMI |
| Program Memory Type | — | ISP Flash |
| Series | — | AVR ATmega |