ATMEGA64L-8AU vs ATMEGA640V-8AU 对比
详细并排对比 ATMEGA64L-8AU 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
ATMEGA64L-8AU - 8-bit AVR MCU, 64KB Flash, 8MHz | Microchip
ATMEGA64L-8AU ✓ 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 | ATMEGA64L-8AU | 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） | $4.55 | $3.95 |
| Core Processor | AVR | — |
| Core Size | 8-Bit | — |
| Architecture | AVR enhanced RISC, 130 instructions | — |
| Speed | 8 MHz | — |
| Flash Memory | 64KB (32K x 16) In-System Programmable | 64 KB (32K x 16) |
| EEPROM | 2KB | 4 KB |
| SRAM | 4KB | 8 KB |
| Operating Voltage Range | 2.7 V to 5.5 V | — |
| General Purpose I/O | 53 lines | 86 lines |
| ADC | 8-channel, 10-bit | 10-bit, 16-channel |
| Timers/Counters | 4 (with compare modes and PWM) | 6 |
| USART | 2 | — |
| Serial Interfaces | TWI (I2C-compatible), SPI, 2x USART | SPI, 2-wire (I2C-compatible), 4x USART |
| JTAG | Yes (boundary scan, on-chip debug) | — |
| RTC | Real Time Counter with separate oscillator | — |
| 封装 | 64-TQFP (14x14 mm) | 100-TQFP (14 x 14 mm) |
| 安装类型 | Surface Mount | Surface Mount |
| Lifecycle Note | Mature product, not recommended for new designs; replaced by ATmega64A | — |
| Core Architecture | — | 8-bit AVR RISC |
| Max Clock Frequency | — | 8 MHz |
| Supply Voltage Range | — | 1.8 V to 5.5 V |
| USART Interfaces | — | 4 |
| Analog Comparator | — | Yes, on-chip |
| Watchdog Timer | — | Yes, with separate on-chip oscillator |
| External Memory Interface | — | EBI/EMI |
| Program Memory Type | — | ISP Flash |
| Series | — | AVR ATmega |
| RoHS 状态 | — | Compliant |