ATMEGA64A-AUR vs ATMEGA128A-AU 对比
详细并排对比 ATMEGA64A-AUR 出自 Microchip Technology 和 ATMEGA128A-AU 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
ATMEGA64A-AUR - 8-bit AVR MCU 64KB Flash 16MHz TQFP-64 | Microchip
ATMEGA64A-AUR ✓ 量产中Microchip Technology
ATMEGA128A-AU - 8-bit AVR MCU 128KB Flash 16MHz TQFP-64 | Microchip
ATMEGA128A-AU ✓ 量产中规格对比
| 参数 | ATMEGA64A-AUR | ATMEGA128A-AU |
|---|---|---|
| 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） | $4.10 | $4.30 |
| Core Architecture | 8-bit AVR RISC | — |
| Program Memory Size | 64KB (32K x 16) ISP Flash | — |
| EEPROM Size | 2KB | — |
| SRAM Size | 4KB | — |
| Maximum CPU Speed | 16MHz | — |
| General Purpose I/O | 53 lines | 53 lines |
| Working Registers | 32 general purpose | 32 general purpose |
| Timers/Counters | 4 flexible timer/counters with compare modes and PWM | 4 flexible timer/counters with compare modes and PWM |
| ADC | 8-channel, 10-bit (from manufacturer product summary) | 8-channel, 10-bit |
| Communication Interfaces | 2x USART, SPI, TWI (I2C compatible) | 2x USART, TWI (I2C), SPI |
| Oscillator Type | Internal | — |
| Debug / Test | JTAG for on-chip debug and boundary scan | — |
| 封装 | 64-TQFP (14x14mm) | 64-TQFP (14x14 mm) |
| 安装类型 | Surface Mount | Surface Mount |
| 工作温度范围 | Industrial (-40C to +85C) | — |
| Packaging | Tape & Reel (TR) | — |
| RoHS 状态 | Compliant (GREEN per FindIC listing) | — |
| Pin Compatibility | 100% pin compatible with ATmega103 | — |
| Core Processor | — | AVR |
| Core Size | — | 8-Bit |
| Architecture | — | Enhanced RISC, 133 instructions |
| Max Clock Frequency | — | 16 MHz |
| Flash Memory | — | 128 KB (64K x 16), In-System Programmable, read-while-write |
| EEPROM | — | 4 KB |
| SRAM | — | 4 KB |
| Supply Voltage Range | — | 2.7 V to 5.5 V |
| Real-Time Counter | — | Yes (RTC) |
| Debug / Boundary Scan | — | JTAG (IEEE 1149.1) |
| 工作温度 | — | [DATA_NEEDED: operating temperature range] |
| Projected End of Life | — | 2048-10-03 (per distributor lifecycle data) |