ATMEGA64A-AUR vs ATMEGA64L-8AJ 对比
详细并排对比 ATMEGA64A-AUR 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
ATMEGA64A-AUR - 8-bit AVR MCU 64KB Flash 16MHz TQFP-64 | Microchip
ATMEGA64A-AUR ✓ 量产中规格对比
| 参数 | ATMEGA64A-AUR | 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） | $4.10 | $4.75 |
| Core Architecture | 8-bit AVR RISC | 8-bit AVR RISC |
| Program Memory Size | 64KB (32K x 16) ISP Flash | — |
| EEPROM Size | 2KB | — |
| SRAM Size | 4KB | — |
| Maximum CPU Speed | 16MHz | — |
| General Purpose I/O | 53 lines | — |
| Working Registers | 32 general purpose | — |
| Timers/Counters | 4 flexible timer/counters with compare modes and PWM | — |
| ADC | 8-channel, 10-bit (from manufacturer product summary) | 8-channel 10-bit |
| Communication Interfaces | 2x USART, SPI, TWI (I2C compatible) | I2C (TWI), SPI, 2x UART/USART |
| Oscillator Type | Internal | — |
| Debug / Test | JTAG for on-chip debug and boundary scan | — |
| 封装 | 64-TQFP (14x14mm) | 64-TQFP (14x14 mm) |
| 安装类型 | Surface Mount | Surface Mount |
| 工作温度范围 | Industrial (-40C to +85C) | — |
| Packaging | Tape & Reel (TR) | — |
| RoHS 状态 | Compliant (GREEN per FindIC listing) | — |
| Pin Compatibility | 100% pin compatible with ATmega103 | — |
| Program Memory (Flash) | — | 64KB (32K x 16) |
| SRAM | — | 4KB |
| EEPROM | — | 2KB |
| 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 |
| 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 |