ATMEGA640V-8CU vs ATMEGA2560V-8CU 对比
详细并排对比 ATMEGA640V-8CU 出自 Microchip Technology 和 ATMEGA2560V-8CU 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-8CU - 8MHz AVR 64KB Flash MCU 100-CBGA | Microchip
ATMEGA640V-8CU ✓ 量产中Microchip Technology
ATMEGA2560V-8CU - 8-Bit AVR MCU 256KB 8MHz CBGA-100 | Microchip (Tape & Reel)
ATMEGA2560V-8CU ✓ 量产中规格对比
| 参数 | ATMEGA640V-8CU | ATMEGA2560V-8CU |
|---|---|---|
| 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） | $8.36 | $6.12 |
| Core Processor | AVR 8-bit RISC | — |
| Core Size | 8-bit | 8-bit |
| Speed | 8 MHz | — |
| Flash Memory | 64 KB (32K x 16) | — |
| EEPROM | 4 KB | — |
| SRAM | 8 KB | — |
| Number of I/O | 86 | — |
| Supply Voltage Range | [DATA_NEEDED: supply voltage range] (V-grade per FindIC listing) | — |
| ADC Resolution | 10-bit | 10-bit |
| ADC Channels | 8/16-channel | 8/16-channel |
| USART Peripherals | Up to 4 | — |
| SPI | Master/Slave | — |
| 2-Wire Interface (TWI/I2C) | Yes | — |
| Watchdog Timer | Programmable, separate on-chip oscillator | — |
| Analog Comparator | On-chip | — |
| 封装 | 100-CBGA (9x9 mm) | 100-CBGA (9x9 mm) |
| 安装类型 | Surface Mount | Surface Mount |
| Temperature Grade | Industrial | Industrial |
| RoHS 状态 | Green / lead-free per FindIC listing | Compliant (GREEN) |
| Core Architecture | — | 8-bit AVR RISC |
| 最大时钟频率 | — | 8 MHz |
| Program Memory Type | — | FLASH (ISP) |
| Program Memory Size | — | 256 KB (128K x 16) |
| SRAM Size | — | 8 KB |
| EEPROM Size | — | 4 KB |
| Operating Supply Voltage (Min) | — | 1.8 V |
| Supply Voltage Range (V-grade) | — | 1.8 V to 5.5 V |
| GPIO Count | — | 86 |
| Serial USARTs | — | 4 |
| Timers | — | Two 8-bit, four 16-bit |
| Interfaces | — | SPI, 2-wire (I2C-compatible), USART |
| Peripherals | — | Brown-out Detect/Reset, POR, PWM, WDT |
| 工作温度范围 | — | [DATA_NEEDED: operating temperature range] |