ATMEGA6490A-AUR vs ATMEGA6450A-AUR 对比
详细并排对比 ATMEGA6490A-AUR 出自 Microchip Technology 和 ATMEGA6450A-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
ATMEGA6490A-AUR - 8-bit AVR MCU, 64KB Flash, LCD | Microchip
ATMEGA6490A-AUR ✓ 量产中Microchip Technology
ATMEGA6450A-AUR - 8-Bit AVR MCU 20MHz 64KB Flash | Microchip
ATMEGA6450A-AUR ✓ 量产中规格对比
| 参数 | ATMEGA6490A-AUR | ATMEGA6450A-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） | $6.55 | $4.65 |
| Core | AVR 8-bit RISC | — |
| Core Size | 8-bit | 8-Bit |
| 最大时钟频率 | 20 MHz | — |
| Flash Memory | 64 KB (32K x 16) ISP, read-while-write | 64KB (32K x 16) In-System Programmable |
| EEPROM | 2 KB | 2KB |
| SRAM | 4 KB | 4KB |
| 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) | — |
| 工作温度 | -40C to +85C (Industrial) | [DATA_NEEDED: operating temperature range] |
| 电源电压 | [DATA_NEEDED: operating voltage range] | — |
| 封装 | 100-TQFP (14x14 mm) | 100-TQFP (14x14 mm) |
| 安装类型 | Surface Mount | Surface Mount |
| Series | AVR ATmega | — |
| Core Architecture | — | AVR 8-bit RISC |
| Max Clock Frequency | — | 20 MHz |
| 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 |
| Program Memory Type | — | FLASH |
| RoHS 状态 | — | Compliant (R suffix = Tape & Reel, lead-free) |