ATMEGA640-16CUR vs ATMEGA640V-8AUR 对比
详细并排对比 ATMEGA640-16CUR 出自 Microchip Technology 和 ATMEGA640V-8AUR 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
ATMEGA640-16CUR - 8-Bit AVR MCU 64KB 16MHz 100-CBGA | Microchip
ATMEGA640-16CUR ✓ 量产中Microchip Technology
ATMEGA640V-8AUR - 8-bit AVR MCU 64KB Flash 8MHz TQFP-100 | Microchip
ATMEGA640V-8AUR ✓ 量产中规格对比
| 参数 | ATMEGA640-16CUR | ATMEGA640V-8AUR |
|---|---|---|
| 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） | $6.72 | $9.60 |
| Core Architecture | 8-bit AVR RISC | — |
| Flash Memory | 64 KB (32K x 16) ISP Flash | — |
| SRAM | 8 KB (8K x 8) | — |
| EEPROM | 4 KB | — |
| 最大时钟频率 | 16 MHz | 8 MHz |
| Supply Voltage Range | 2.7 V to 5.5 V | 1.8 V to 5.5 V |
| General Purpose I/O | 86 lines | — |
| Working Registers | 32 general purpose registers | — |
| USART | 4 programmable serial USART | 2/4 programmable serial USART |
| SPI | Master/Slave SPI serial interface | — |
| TWI | Byte-oriented 2-wire serial interface | — |
| ADC | 8/16-channel, 10-bit | — |
| Analog Comparator | On-chip | On-chip |
| Watchdog Timer | Programmable, separate on-chip oscillator | Programmable, separate on-chip oscillator |
| 封装 | 100-CBGA (9x9 mm) | 100-TQFP (14 x 14 mm) |
| 安装类型 | Surface Mount | Surface Mount |
| Programming / Debug | ISP, ICSP (2 I/O pins + reset) | — |
| Product Series | AVR ATmega | — |
| Core Processor | — | AVR 8-bit RISC |
| Core Size | — | 8-bit |
| Flash Memory Size | — | 64 KB (32K x 16) |
| SRAM Size | — | 8 KB |
| EEPROM Size | — | 4 KB |
| Number of I/O | — | 86 |
| ADC Resolution | — | 10-bit |
| ADC Channels | — | 8/16 |
| Connectivity | — | EBI/EMI, I2C (TWI), SPI, UART/USART |
| Timers/Counters | — | Six flexible timer/counters |
| General Purpose Working Registers | — | 32 |
| Packaging | — | Tape & Reel (TR) |
| RoHS 状态 | — | Compliant (GREEN per FindIC listing) |