ATMEGA6450V-8AU vs ATMEGA6490-16AI 对比
详细并排对比 ATMEGA6450V-8AU 出自 Microchip Technology 和 ATMEGA6490-16AI 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
ATMEGA6490-16AI - 64KB Flash 16MHz AVR LCD MCU | Microchip
ATMEGA6490-16AI ✓ 量产中规格对比
| 参数 | ATMEGA6450V-8AU | ATMEGA6490-16AI |
|---|---|---|
| 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 | $4.85 |
| Core Architecture | AVR 8-bit 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 | — |
| SRAM | 4KB | — |
| 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 | — |
| In-System Programming | Yes (ICSP) | — |
| 封装 | 100-TQFP (14 x 14 mm) | — |
| 安装类型 | Surface Mount | Surface Mount |
| 工作温度 | -40C to +85C (A-grade industrial) | -40C to +85C |
| Life Cycle Stage | ACTIVE | — |
| LCD Controller | Integrated segment LCD drive (6450 family) | — |
| RoHS 状态 | Compliant (GREEN package per Microchip classification) | [DATA_NEEDED: RoHS status] |
| Core Processor | — | AVR |
| Core Size | — | 8-Bit |
| Speed | — | 16 MHz |
| Program Flash Memory | — | 64 KB (32K x 16) |
| EEPROM Size | — | 2 KB |
| RAM Size | — | 4 KB |
| Number of I/O | — | 69 |
| LCD Driver | — | Yes, segment LCD (up to 4x40 segments) |
| ADC | — | 8-channel 10-bit |
| Connectivity | — | USART, SPI, TWI (I2C) |
| Peripherals | — | Brown-out Detect/Reset, POR, PWM, WDT, LCD, JTAG |
| Oscillator Type | — | Internal |
| Voltage - Supply (VCC/VDD) | — | [DATA_NEEDED: supply voltage range] |
| 封装 / 外壳 | — | 100-TQFP (14x14 mm) |
| Technology | — | picoPower |