ATMEGA645A-AU vs ATMEGA165A-AU 对比
详细并排对比 ATMEGA645A-AU 出自 Microchip Technology 和 ATMEGA165A-AU 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
ATMEGA645A-AU - 8-bit AVR MCU 64KB Flash 16MHz TQFP-64 | Microchip
ATMEGA645A-AU ✓ 量产中
规格对比
| 参数 | ATMEGA645A-AU | ATMEGA165A-AU |
|---|---|---|
| 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） | $3.95 | $3.47 |
| Core Architecture | 8-bit AVR RISC | — |
| Max CPU Frequency | 16 MHz | — |
| Flash Memory | 64 KB (32K x 16) In-System Programmable | — |
| EEPROM | 2 KB | — |
| SRAM | 4 KB | — |
| General Purpose I/O | 54 GPIO | — |
| 封装 | 64-TQFP (14x14 mm) | 64-pin TQFP (14 x 14 mm, 1 mm height) |
| 安装类型 | Surface Mount | Surface Mount |
| 电源电压 | 4.5 V to 5.5 V (16 MHz operation) | — |
| 工作温度 | [DATA_NEEDED: operating temperature range] | -40C to +85C (industrial) |
| ADC | 10-bit, up to 8 channels | — |
| LCD Controller | Yes, up to 4 COM x 25 SEG | — |
| Communication Interfaces | USART, SPI, TWI (I2C) | SPI, UART/USART, USI |
| Timers | 2 x 8-bit, 1 x 16-bit (plus watchdog) | — |
| 引脚数 | 64 | — |
| RoHS 状态 | Compliant | Compliant |
| MSL 等级 | [DATA_NEEDED: moisture sensitivity level] | — |
| Core Processor | — | AVR 8-bit RISC |
| Program Memory Size | — | 16 KB (8K x 16) Flash |
| EEPROM Size | — | 512 B |
| SRAM Size | — | 1 KB |
| Maximum Clock Speed | — | 16 MHz |
| Throughput | — | Up to 16 MIPS at 16 MHz |
| Supply Voltage Range | — | 2.7 V to 5.5 V |
| Number of I/O Lines | — | 54 |
| General Purpose Working Registers | — | 32 |
| Instruction Set | — | 133 powerful instructions, most single clock cycle |
| ADC Resolution | — | 10-bit successive approximation |
| Debug Interface | — | JTAG (boundary-scan and on-chip debug) |
| Brown-out Detection | — | Programmable |
| Watchdog Timer | — | Programmable on-chip |