ATMEGA6450V-8AU vs ATMEGA645V-8AUR 对比
详细并排对比 ATMEGA6450V-8AU 出自 Microchip Technology 和 ATMEGA645V-8AUR 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
ATMEGA645V-8AUR - 8-bit AVR MCU 64KB Flash 8MHz | Microchip
ATMEGA645V-8AUR ✓ 量产中规格对比
| 参数 | ATMEGA6450V-8AU | ATMEGA645V-8AUR |
|---|---|---|
| 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 | $4.20 |
| Core Architecture | AVR 8-bit RISC | AVR 8-bit RISC, 130 instructions |
| 数据总线宽度 | 8 Bit | — |
| Maximum Clock Speed | 8 MHz | — |
| Flash Memory | 64KB (32K x 16), In-System Programmable | 64 KB 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 | — |
| In-System Programming | Yes (ICSP) | — |
| 封装 | 100-TQFP (14 x 14 mm) | TQFP-64 |
| 安装类型 | Surface Mount | Surface Mount |
| 工作温度 | -40C to +85C (A-grade industrial) | — |
| Life Cycle Stage | ACTIVE | — |
| LCD Controller | Integrated segment LCD drive (6450 family) | — |
| RoHS 状态 | Compliant (GREEN package per Microchip classification) | Compliant (green package per FindIC listing) |
| 最大时钟频率 | — | 8 MHz |
| Operating Voltage | — | 1.8 V to 5.5 V (V-grade) |
| Terminal Form | — | Gull Wing |
| Package Shape | — | Square |
| Number of Terminals | — | 64 |
| Temperature Grade | — | Industrial |
| Throughput | — | Up to 8 MIPS at 8 MHz (approx. 1 MIPS/MHz) |
| Packing | — | Tape & Reel (R suffix) |
| Programming Method | — | In-System Programmable (ISP) |