ATMEGA6490V-8AU vs ATMEGA6450V-8AU 对比
详细并排对比 ATMEGA6490V-8AU 出自 Microchip Technology 和 ATMEGA6450V-8AU 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
ATMEGA6490V-8AU - 8-bit AVR MCU 64KB 8MHz 100-TQFP | Microchip
ATMEGA6490V-8AU ✓ 量产中Microchip Technology
ATMEGA6450V-8AU - 8-bit AVR MCU, 64KB Flash, 8MHz | Microchip
ATMEGA6450V-8AU ✓ 量产中规格对比
| 参数 | ATMEGA6490V-8AU | ATMEGA6450V-8AU |
|---|---|---|
| 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） | $7.45 | $2.31 |
| Core | AVR 8-bit RISC | — |
| Core Size | 8-bit | — |
| Speed | 8MHz | — |
| Program Memory Size | 64KB (32K x 16) Flash | — |
| EEPROM Size | 2KB | — |
| SRAM Size | 4KB | — |
| Number of I/O | 54 / 69 general purpose I/O lines | — |
| Working Registers | 32 general purpose registers | — |
| LCD Controller | Integrated segment LCD driver | Integrated segment LCD drive (6450 family) |
| Debug Interface | JTAG (boundary-scan and on-chip debug) | — |
| Program Memory Type | ISP FLASH, read-while-write, self-programming | — |
| 封装 | 100-TQFP (14x14 mm) | 100-TQFP (14 x 14 mm) |
| 安装类型 | Surface Mount | Surface Mount |
| Technology | picoPower low power | — |
| Supply Voltage Range (V-grade) | 1.8 V to 5.5 V | — |
| 工作温度 | [DATA_NEEDED: operating temperature range for V grade suffix] | -40C to +85C (A-grade industrial) |
| Instructions | 130 instructions, most single clock cycle | 130 powerful instructions, most single-cycle |
| RoHS 状态 | [DATA_NEEDED: RoHS compliance status] | Compliant (GREEN package per Microchip classification) |
| 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) |
| In-System Programming | — | Yes (ICSP) |
| Life Cycle Stage | — | ACTIVE |