ATMEGA640V-8CU vs ATMEGA1280V-8CU 对比
详细并排对比 ATMEGA640V-8CU 出自 Microchip Technology 和 ATMEGA1280V-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
ATMEGA1280V-8CU - 8-bit AVR MCU 128KB Flash 8MHz CBGA-100 | Microchip
ATMEGA1280V-8CU ✓ 量产中规格对比
| 参数 | ATMEGA640V-8CU | ATMEGA1280V-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 | $12.20 |
| Core Processor | AVR 8-bit RISC | — |
| Core Size | 8-bit | — |
| Speed | 8 MHz | — |
| Flash Memory | 64 KB (32K x 16) | — |
| EEPROM | 4 KB | 4 KB |
| SRAM | 8 KB | 8 KB |
| Number of I/O | 86 | — |
| Supply Voltage Range | [DATA_NEEDED: supply voltage range] (V-grade per FindIC listing) | — |
| ADC Resolution | 10-bit | — |
| ADC Channels | 8/16-channel | — |
| USART Peripherals | Up to 4 | — |
| SPI | Master/Slave | 1 master/slave |
| 2-Wire Interface (TWI/I2C) | Yes | — |
| Watchdog Timer | Programmable, separate on-chip oscillator | Yes, with separate on-chip oscillator |
| Analog Comparator | On-chip | Yes (on-chip) |
| 封装 | 100-CBGA (9x9 mm) | 100-ball CBGA (9x9 mm) |
| 安装类型 | Surface Mount | Surface Mount (BGA) |
| Temperature Grade | Industrial | — |
| RoHS 状态 | Green / lead-free per FindIC listing | Compliant |
| Core | — | AVR 8-bit RISC |
| Clock Speed (max) | — | 8 MHz |
| Program Memory (Flash) | — | 128 KB (64K x 16) |
| Supply Voltage (Vcc) | — | 2.7 V to 5.5 V |
| General-Purpose I/O Lines | — | 86 |
| Working Registers | — | 32 |
| ADC | — | 10-bit, 8/16 channels |
| Timers | — | 6 flexible timers/counters |
| USART | — | 4 |
| TWI (I2C) | — | 1 byte-oriented |
| 工作温度 | — | -40 C to +85 C (industrial) |
| Instruction Set | — | 133/135 powerful instructions, mostly single-cycle |
| In-System Programming | — | Yes (self-programmable Flash) |
| Debug Interface | — | JTAG / on-chip debug |