ATMEGA645P-AU vs ATMEGA6450P-AU 对比
详细并排对比 ATMEGA645P-AU 出自 Microchip Technology 和 ATMEGA6450P-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
ATMEGA645P-AU - 8-bit AVR MCU 64KB Flash 16MHz TQFP-64 | Microchip
ATMEGA645P-AU ✓ 量产中Microchip Technology
ATMEGA6450P-AU - 8-bit AVR MCU 64KB Flash 20MHz | Microchip
ATMEGA6450P-AU ✓ 量产中规格对比
| 参数 | ATMEGA645P-AU | ATMEGA6450P-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） | $4.60 | $5.90 |
| Core Architecture | 8-bit AVR RISC | 8-bit AVR RISC |
| Flash Memory | 64 KB (32K x 16) ISP | 64 KB (32K x 16) ISP Flash |
| EEPROM | 2 KB | 2 KB |
| SRAM | 4 KB | 4 KB |
| 最大时钟频率 | 16 MHz | 20 MHz |
| Supply Voltage Range | 2.5 V to 5.5 V | — |
| General Purpose I/O | 54 lines | — |
| Working Registers | 32 x 8-bit general purpose | 32 general purpose |
| 封装 | 64-TQFP (14 x 14 mm) | 100-TQFP (14x14 mm) |
| 安装类型 | Surface Mount | Surface Mount |
| 工作温度 | -40C to +85C (Industrial) | [DATA_NEEDED: operating temperature range] |
| Programming Interface | ICSP (In-Circuit Serial Programming) | — |
| Debug Support | debugWIRE via MPLAB SNAP | — |
| Low Power Technology | picoPower | picoPower |
| Approximate Throughput | up to 16 MIPS at 16 MHz (1 MIPS/MHz) | — |
| RoHS 状态 | Compliant (Green package per Microchip listings) | Compliant |
| I/O Lines | — | 54/69 general purpose I/O |
| Instruction Set | — | 130 powerful instructions, most single-cycle |
| Debug/Programming Interface | — | JTAG (boundary-scan, on-chip debug/programming) |
| Flash Read-While-Write | — | Yes |
| Operating Voltage Range | — | [DATA_NEEDED: operating voltage range] |
| 引脚数 | — | 100 |
| Timers/Counters | — | Three flexible timer/counters with compare modes |