ATMEGA640V-8AU vs ATMEGA2560V-8AU 对比
详细并排对比 ATMEGA640V-8AU 出自 Microchip Technology 和 ATMEGA2560V-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Microchip Technology
ATMEGA2560V-8AU - 256KB Flash, 1.8-5.5V AVR MCU 8MHz | Microchip
ATMEGA2560V-8AU ✓ 量产中规格对比
| 参数 | ATMEGA640V-8AU | ATMEGA2560V-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） | $3.95 | $8.95 |
| Core Architecture | 8-bit AVR RISC | — |
| Max Clock Frequency | 8 MHz | — |
| Flash Memory | 64 KB (32K x 16) | — |
| SRAM | 8 KB | 8 KB |
| EEPROM | 4 KB | 4 KB |
| 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 | I2C/TWI, SPI |
| ADC | 10-bit, 16-channel | 16-channel, 10-bit |
| Analog Comparator | Yes, on-chip | — |
| Watchdog Timer | Yes, with separate on-chip oscillator | — |
| External Memory Interface | EBI/EMI | — |
| 封装 | 100-TQFP (14 x 14 mm) | 100-pin TQFP |
| 安装类型 | Surface Mount | Surface Mount |
| Program Memory Type | ISP Flash | — |
| Series | AVR ATmega | — |
| RoHS 状态 | Compliant | Compliant |
| Device Family | — | ATmega2560 (megaAVR) |
| Core | — | 8-bit AVR RISC |
| Instruction Set | — | 131 instructions, mostly single-cycle |
| Max Throughput | — | 16 MIPS at 16 MHz |
| Program Flash Memory | — | 256 KB In-System Programmable |
| General Purpose I/O Lines | — | 86 |
| Operating Voltage (VCC) | — | 1.8 V to 5.5 V |
| Maximum Clock (V grade) | — | 8 MHz |
| 工作温度 | — | -40 C to +85 C (industrial) |
| Timer/Counters | — | 6 (with compare modes and PWM) |
| USART | — | 4 channels |