ATMEGA6450A-AUR vs ATMEGA6490A-AUR 对比
详细并排对比 ATMEGA6450A-AUR 出自 Microchip Technology 和 ATMEGA6490A-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
ATMEGA6450A-AUR - 8-Bit AVR MCU 20MHz 64KB Flash | Microchip
ATMEGA6450A-AUR ✓ 量产中Microchip Technology
ATMEGA6490A-AUR - 8-bit AVR MCU, 64KB Flash, LCD | Microchip
ATMEGA6490A-AUR ✓ 量产中规格对比
| 参数 | ATMEGA6450A-AUR | ATMEGA6490A-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） | $4.65 | $6.55 |
| Core Architecture | AVR 8-bit RISC | — |
| Core Size | 8-Bit | 8-bit |
| Max Clock Frequency | 20 MHz | — |
| Flash Memory | 64KB (32K x 16) In-System Programmable | 64 KB (32K x 16) ISP, read-while-write |
| SRAM | 4KB | 4 KB |
| EEPROM | 2KB | 2 KB |
| Number of I/O | 68 programmable I/O lines | — |
| Operating Voltage Range | 2.7 V to 5.5 V | — |
| ADC Resolution | 10-bit, 8-channel | — |
| Debug Interface | JTAG (on-chip debugging and ICSP) | — |
| Instruction Count | 130 powerful instructions, most single-cycle | — |
| Throughput | 16 MIPS at 16 MHz | — |
| 封装 | 100-TQFP (14x14 mm) | 100-TQFP (14x14 mm) |
| 安装类型 | Surface Mount | Surface Mount |
| 工作温度 | [DATA_NEEDED: operating temperature range] | -40C to +85C (Industrial) |
| Program Memory Type | FLASH | — |
| RoHS 状态 | Compliant (R suffix = Tape & Reel, lead-free) | — |
| Core | — | AVR 8-bit RISC |
| 最大时钟频率 | — | 20 MHz |
| Instructions | — | 130, most single-cycle |
| General Purpose Working Registers | — | 32 |
| General Purpose I/O Lines | — | 54 / 69 |
| LCD Controller | — | On-chip, with internal contrast control |
| Timers/Counters | — | 3 flexible timers |
| Debug/Programming Interface | — | JTAG (boundary-scan, on-chip debug and programming) |
| 电源电压 | — | [DATA_NEEDED: operating voltage range] |
| Series | — | AVR ATmega |