ATMEGA640-16AUR vs ATMEGA640V-8AU 对比
详细并排对比 ATMEGA640-16AUR 出自 Microchip Technology 和 ATMEGA640V-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
ATMEGA640-16AUR - 8-bit AVR MCU 64KB Flash 16MHz TQFP-100 | Microchip
ATMEGA640-16AUR ✓ 量产中Microchip Technology
ATMEGA640V-8AU - 8MHz 64KB Flash AVR MCU 100-TQFP | Microchip
ATMEGA640V-8AU ✓ 量产中规格对比
| 参数 | ATMEGA640-16AUR | ATMEGA640V-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） | $6.20 | $3.95 |
| Core Architecture | 8-bit AVR RISC | 8-bit AVR RISC |
| Program Memory (Flash) | 64 KB (32K x 16) | — |
| SRAM | 8 KB | 8 KB |
| EEPROM | 4 KB | 4 KB |
| Maximum CPU Clock | 16 MHz | — |
| Operating Voltage (Vcc) | 4.5 V to 5.5 V | — |
| General-Purpose I/O Lines | 86 | — |
| General-Purpose Working Registers | 32 | — |
| Timer/Counters | 6 flexible timer/counters with compare/PWM | — |
| ADC | 10-bit, 8/16-channel | 10-bit, 16-channel |
| USART | 2 programmable serial USARTs | — |
| SPI | 1 master/slave SPI | — |
| TWI (I2C-compatible) | 1 byte-oriented 2-wire interface | — |
| Analog Comparator | On-chip | Yes, on-chip |
| Watchdog Timer | Programmable, with separate on-chip oscillator | Yes, with separate on-chip oscillator |
| 封装 | 100-pin TQFP (14x14 mm) | 100-TQFP (14 x 14 mm) |
| 安装类型 | Surface Mount | Surface Mount |
| 工作温度 | -40C to +85C (industrial) | — |
| In-System Programmable (ISP) | Yes | — |
| RoHS 状态 | Compliant | Compliant |
| Max Clock Frequency | — | 8 MHz |
| Flash Memory | — | 64 KB (32K x 16) |
| 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 |
| External Memory Interface | — | EBI/EMI |
| Program Memory Type | — | ISP Flash |
| Series | — | AVR ATmega |