ATMEGA645P-AUR vs ATMEGA649P-AUR 对比
详细并排对比 ATMEGA645P-AUR 出自 Microchip Technology 和 ATMEGA649P-AUR 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
ATMEGA645P-AUR - 8-bit AVR MCU, 64KB Flash, 16MHz | Microchip
ATMEGA645P-AUR ✓ 量产中规格对比
| 参数 | ATMEGA645P-AUR | ATMEGA649P-AUR |
|---|---|---|
| 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） | $4.50 | $4.72 |
| Core Architecture | AVR 8-bit RISC | 8-bit AVR RISC |
| 数据总线宽度 | 8 Bit | — |
| Flash Memory | 64KB (32K x 16) In-System Programmable | 64 KB ISP Flash (read-while-write) |
| EEPROM | 2KB | 2 KB |
| SRAM | 4KB | 4 KB |
| 最大时钟频率 | 16 MHz | — |
| 电源电压 | 4.5 V to 5.5 V (16 MHz industrial speed grade) | 1.8 V to 5.5 V (picoPower family) |
| I/O Ports | 53 I/O lines | — |
| 封装 | 64-TQFP (14x14 mm) | 64TQFP (TQFP-64) |
| 安装类型 | Surface Mount | Surface Mount |
| 工作温度 | -40C to +85C (A = industrial grade) | -40C to +85C (industrial, per A-grade suffix) |
| Programming Interface | ICSP (In-Circuit Serial Programming) | — |
| General Purpose Registers | 32 directly connected to ALU | — |
| Lifecycle Stage | Active | — |
| RoHS 状态 | [DATA_NEEDED: RoHS compliance status] | — |
| Packaging | Tape & Reel (R suffix) | — |
| MSL Rating | [DATA_NEEDED: moisture sensitivity level] | — |
| Maximum CPU Speed | — | 16 MHz |
| General Purpose I/O | — | 54/69 lines |
| Working Registers | — | 32 general purpose |
| LCD Controller | — | Integrated segment LCD driver |
| Debug Interface | — | JTAG (on-chip debug, boundary scan) |
| Low Power Technology | — | picoPower |
| Packing | — | Tape & Reel (T&R) |
| RoHS / Green | — | GREEN package |
| Product Status | — | Active |