ATMEGA640V-8AU vs ATMEGA640-16CUR 对比
详细并排对比 ATMEGA640V-8AU 出自 Microchip Technology 和 ATMEGA640-16CUR 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
ATMEGA640-16CUR - 8-Bit AVR MCU 64KB 16MHz 100-CBGA | Microchip
ATMEGA640-16CUR ✓ 量产中规格对比
| 参数 | ATMEGA640V-8AU | ATMEGA640-16CUR |
|---|---|---|
| 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 | $6.72 |
| Core Architecture | 8-bit AVR RISC | 8-bit AVR RISC |
| Max Clock Frequency | 8 MHz | — |
| Flash Memory | 64 KB (32K x 16) | 64 KB (32K x 16) ISP Flash |
| SRAM | 8 KB | 8 KB (8K x 8) |
| EEPROM | 4 KB | 4 KB |
| Supply Voltage Range | 1.8 V to 5.5 V | 2.7 V to 5.5 V |
| General Purpose I/O | 86 lines | 86 lines |
| Timers/Counters | 6 | — |
| USART Interfaces | 4 | — |
| Serial Interfaces | SPI, 2-wire (I2C-compatible), 4x USART | — |
| ADC | 10-bit, 16-channel | 8/16-channel, 10-bit |
| Analog Comparator | Yes, on-chip | On-chip |
| Watchdog Timer | Yes, with separate on-chip oscillator | Programmable, separate on-chip oscillator |
| External Memory Interface | EBI/EMI | — |
| 封装 | 100-TQFP (14 x 14 mm) | 100-CBGA (9x9 mm) |
| 安装类型 | Surface Mount | Surface Mount |
| Program Memory Type | ISP Flash | — |
| Series | AVR ATmega | — |
| RoHS 状态 | Compliant | — |
| 最大时钟频率 | — | 16 MHz |
| Working Registers | — | 32 general purpose registers |
| USART | — | 4 programmable serial USART |
| SPI | — | Master/Slave SPI serial interface |
| TWI | — | Byte-oriented 2-wire serial interface |
| Programming / Debug | — | ISP, ICSP (2 I/O pins + reset) |
| Product Series | — | AVR ATmega |