ATMEGA64L-8AJ vs ATMEGA64L-8AI 对比
详细并排对比 ATMEGA64L-8AJ 出自 Microchip Technology 和 ATMEGA64L-8AI 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。
规格对比
| 参数 | ATMEGA64L-8AJ | ATMEGA64L-8AI |
|---|---|---|
| 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） | $4.75 | $6.70 |
| Core Architecture | 8-bit AVR RISC | 8-bit AVR RISC |
| Program Memory (Flash) | 64KB (32K x 16) | — |
| SRAM | 4KB | 4 KB |
| EEPROM | 2KB | 2 KB (100,000 write cycles) |
| 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 | — |
| ADC | 8-channel 10-bit | 8-channel 10-bit successive approximation |
| Communication Interfaces | I2C (TWI), SPI, 2x UART/USART | — |
| Timers | 2x 8-bit, 2x 16-bit | 2x 8-bit, 2x 16-bit |
| 封装 | 64-TQFP (14x14 mm) | 64-TQFP (14x14 mm) |
| 安装类型 | Surface Mount | Surface Mount |
| On-Chip Debug | JTAG (IEEE 1149.1) | — |
| External Memory Interface | Yes (expandable SRAM) | — |
| Lifecycle Stage | ACTIVE | — |
| Approximate Throughput | Up to 8 MIPS at 8MHz | — |
| Program Memory | — | 64 KB self-programming Flash |
| Flash Endurance | — | 10,000 write/erase cycles |
| 最大时钟频率 | — | 8 MHz |
| Throughput | — | Up to 8 MIPS at 8 MHz |
| Operating Voltage | — | 2.7 V to 5.5 V |
| 工作温度 | — | -40C to +85C |
| I/O Lines | — | 53 |
| Interfaces | — | 2x USART, SPI, I2C (TWI) |
| Debug Interface | — | JTAG (IEEE 1149.1) |
| PWM Channels | — | 8 |
| Instruction Set | — | 130 powerful instructions, most single-clock |
| General Purpose Registers | — | 32 x 8-bit |
| RoHS 状态 | — | Compliant |