ATMEGA1280V-8AU vs ATMEGA640V-8AU 对比
详细并排对比 ATMEGA1280V-8AU 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
ATMEGA640V-8AU - 8MHz 64KB Flash AVR MCU 100-TQFP | Microchip
ATMEGA640V-8AU ✓ 量产中规格对比
| 参数 | ATMEGA1280V-8AU | 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） | $12.12 | $3.95 |
| Core Processor | AVR | — |
| Core Size | 8-Bit | — |
| Max Clock Speed | 8 MHz | — |
| Flash Memory | 128 KB (64K x 16) | 64 KB (32K x 16) |
| SRAM | 8 KB | 8 KB |
| EEPROM | 4 KB | 4 KB |
| Supply Voltage Range | 2.7 V to 5.5 V | 1.8 V to 5.5 V |
| Number of I/O | 86 | — |
| Timers/Counters | 6 (with compare modes and PWM) | 6 |
| USART | 4 | — |
| Communication Interfaces | I2C (TWI), SPI, 4x USART | — |
| ADC Channels | 16-channel, 10-bit | — |
| Instructions | 133 instructions, most single-cycle | — |
| Working Registers | 32 x 8-bit general purpose | — |
| 封装 | 100-TQFP (14 x 14 mm, 1.0 mm height) | 100-TQFP (14 x 14 mm) |
| 安装类型 | Surface Mount | Surface Mount |
| Programming | In-System Programmable (ISP) | — |
| Watchdog Timer | Yes, with internal oscillator | Yes, with separate on-chip oscillator |
| 生命周期状态 | Active | — |
| RoHS 状态 | [DATA_NEEDED: RoHS compliance status] | Compliant |
| Core Architecture | — | 8-bit AVR RISC |
| Max Clock Frequency | — | 8 MHz |
| General Purpose I/O | — | 86 lines |
| USART Interfaces | — | 4 |
| Serial Interfaces | — | SPI, 2-wire (I2C-compatible), 4x USART |
| ADC | — | 10-bit, 16-channel |
| Analog Comparator | — | Yes, on-chip |
| External Memory Interface | — | EBI/EMI |
| Program Memory Type | — | ISP Flash |
| Series | — | AVR ATmega |