ATMEGA128A-AN vs ATMEGA128-16AI 对比
详细并排对比 ATMEGA128A-AN 出自 Microchip Technology 和 ATMEGA128-16AI 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
ATMEGA128A-AN - 8-bit AVR MCU 128KB Flash 16MHz | Microchip
ATMEGA128A-AN ✓ 量产中Microchip Technology
ATMEGA128-16AI - 8-bit AVR MCU 16MHz 128KB Flash | Microchip
ATMEGA128-16AI ✓ 量产中规格对比
| 参数 | ATMEGA128A-AN | ATMEGA128-16AI |
|---|---|---|
| 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） | $1.95 | $5.90 |
| Core | AVR 8-bit RISC | — |
| Flash Memory | 128 KB (In-System Programmable, read-while-write) | 128 KB (64K x 16) In-System Programmable |
| EEPROM | 4 KB | 4 KB |
| SRAM | 4 KB | 4 KB |
| 最大时钟频率 | 16 MHz | — |
| General Purpose I/O | 53 lines | — |
| Working Registers | 32 general purpose | — |
| Timers/Counters | 4 flexible Timer/Counters with compare modes and PWM | Two 8-bit, Two 16-bit |
| USART | 2 | — |
| Real Time Counter | Yes (RTC) | — |
| 封装 | TQFP-64 | 64-TQFP (14x14 mm) |
| 工作温度 | -40C to +105C | -40C to +85C (industrial, per AI suffix) |
| 安装类型 | Surface Mount | Surface Mount |
| 电源电压 | [DATA_NEEDED: supply voltage range] | — |
| ADC | [DATA_NEEDED: ADC resolution and channels] | 8-channel 10-bit |
| RoHS 状态 | Green (per LCSC/Mouser listing) | unknown |
| Core Architecture | — | AVR 8-bit RISC |
| CPU Speed | — | 16 MHz |
| Operating Voltage | — | 4.5 V to 5.5 V |
| MIPS Throughput | — | 16 MIPS at 16 MHz |
| Communication Interfaces | — | SPI, TWI (I2C), 2x USART |
| JTAG | — | On-chip JTAG for debugging and boundary scan |
| Instructions | — | 133 instructions, most single-cycle |
| External Memory Interface | — | XMEM up to 64 KB |