ATMEGA645V-8AUR vs ATMEGA645-16AI 对比
详细并排对比 ATMEGA645V-8AUR 出自 Microchip Technology 和 ATMEGA645-16AI 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
ATMEGA645V-8AUR - 8-bit AVR MCU 64KB Flash 8MHz | Microchip
ATMEGA645V-8AUR ✓ 量产中Microchip Technology
ATMEGA645-16AI - 8-bit AVR MCU 64KB Flash 16MHz | Microchip
ATMEGA645-16AI ✓ 量产中规格对比
| 参数 | ATMEGA645V-8AUR | ATMEGA645-16AI |
|---|---|---|
| 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） | $4.20 | $6.45 |
| Core Architecture | AVR 8-bit RISC, 130 instructions | 8-bit AVR RISC |
| Flash Memory | 64 KB In-System Programmable | — |
| EEPROM | 2 KB | 2 KB |
| SRAM | 4 KB | 4 KB |
| 最大时钟频率 | 8 MHz | 16 MHz |
| Operating Voltage | 1.8 V to 5.5 V (V-grade) | — |
| 封装 | TQFP-64 | 64-TQFP (14x14 mm) |
| 安装类型 | Surface Mount | Surface Mount |
| 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) | 16 MIPS at 16 MHz |
| Packing | Tape & Reel (R suffix) | — |
| RoHS 状态 | Compliant (green package per FindIC listing) | Compliant |
| Programming Method | In-System Programmable (ISP) | — |
| Flash Program Memory | — | 64 KB (32K x 16) ISP |
| Operating Voltage Range | — | 2.7 V to 5.5 V |
| ADC | — | 8-channel, 10-bit |
| Programmable I/O | — | 68 (device), 54 available on 64-TQFP |
| JTAG Interface | — | Yes (on-chip debugging and boundary scan) |
| Instruction Set | — | 130 instructions, mostly single-cycle |
| 工作温度 | — | -40C to +85C (industrial, I grade) |
| Interfaces | — | USART, SPI, TWI (I2C) |
| ISP Capability | — | In-System Programmable Flash |