ATMEGA64L-8AU vs ATMEGA64L-8AJ 对比
详细并排对比 ATMEGA64L-8AU 出自 Microchip Technology 和 ATMEGA64L-8AJ 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 ✓ 量产中规格对比
| 参数 | ATMEGA64L-8AU | ATMEGA64L-8AJ |
|---|---|---|
| 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 | $4.75 |
| 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 | — |
| EEPROM | 2KB | 2KB |
| SRAM | 4KB | 4KB |
| Operating Voltage Range | 2.7 V to 5.5 V | — |
| General Purpose I/O | 53 lines | — |
| ADC | 8-channel, 10-bit | 8-channel 10-bit |
| Timers/Counters | 4 (with compare modes and PWM) | — |
| USART | 2 | — |
| Serial Interfaces | TWI (I2C-compatible), SPI, 2x USART | — |
| JTAG | Yes (boundary scan, on-chip debug) | — |
| RTC | Real Time Counter with separate oscillator | — |
| 封装 | 64-TQFP (14x14 mm) | 64-TQFP (14x14 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 |
| Program Memory (Flash) | — | 64KB (32K x 16) |
| Maximum Clock Speed | — | 8MHz |
| 电源电压 | — | 2.7V to 5.5V |
| 数据总线宽度 | — | 8 bit |
| I/O Ports | — | 53 I/O lines |
| Communication Interfaces | — | I2C (TWI), SPI, 2x UART/USART |
| Timers | — | 2x 8-bit, 2x 16-bit |
| On-Chip Debug | — | JTAG (IEEE 1149.1) |
| External Memory Interface | — | Yes (expandable SRAM) |
| Lifecycle Stage | — | ACTIVE |
| Approximate Throughput | — | Up to 8 MIPS at 8MHz |