ATMEGA6450V-8AU vs ATMEGA6490V-8AI 对比
详细并排对比 ATMEGA6450V-8AU 出自 Microchip Technology 和 ATMEGA6490V-8AI 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
ATMEGA6450V-8AU - 8-bit AVR MCU, 64KB Flash, 8MHz | Microchip
ATMEGA6450V-8AU ✓ 量产中Microchip Technology
ATMEGA6490V-8AI - 8-Bit AVR MCU, 64KB Flash, 8MHz | Microchip
ATMEGA6490V-8AI ✓ 量产中规格对比
| 参数 | ATMEGA6450V-8AU | ATMEGA6490V-8AI |
|---|---|---|
| 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） | $2.31 | $6.45 |
| Core Architecture | AVR 8-bit RISC | 8-bit AVR RISC |
| 数据总线宽度 | 8 Bit | — |
| Maximum Clock Speed | 8 MHz | — |
| Flash Memory | 64KB (32K x 16), In-System Programmable | — |
| EEPROM | 2KB | 2 KB |
| SRAM | 4KB | 4 KB |
| ADC Resolution | 10-bit | — |
| I/O Ports | 53 I/O lines | — |
| 电源电压 | 1.8 V (V-variant extended low-voltage range) | — |
| Instructions | 130 powerful instructions, most single-cycle | 130 powerful instructions, most single-cycle |
| In-System Programming | Yes (ICSP) | — |
| 封装 | 100-TQFP (14 x 14 mm) | 100-TQFP (14x14 mm) |
| 安装类型 | Surface Mount | Surface Mount |
| 工作温度 | -40C to +85C (A-grade industrial) | -40C to +85C (industrial) |
| Life Cycle Stage | ACTIVE | — |
| LCD Controller | Integrated segment LCD drive (6450 family) | Integrated, segment LCD driver (up to 160 segments on 100-pin device) |
| RoHS 状态 | Compliant (GREEN package per Microchip classification) | unknown |
| 最大时钟频率 | — | 8 MHz |
| Flash Program Memory | — | 64 KB (32K x 16) |
| Supply Voltage Range | — | 1.8 V to 5.5 V (V-grade) |
| GPIO Count | — | 54 / 69 general purpose I/O lines |
| Working Registers | — | 32 general purpose |
| Self-Programming | — | Yes, read-while-write ISP Flash |
| Programming/Debug | — | ICSP via SPI; JTAG-based on-chip debugging |
| Technology | — | picoPower low-power AVR |
| Moisture Sensitivity Level | — | [DATA_NEEDED: MSL Level] |