ATMEGA128A-AU vs ATMEGA128L-8AU 对比
详细并排对比 ATMEGA128A-AU 出自 Microchip Technology 和 ATMEGA128L-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
ATMEGA128A-AU - 8-bit AVR MCU 128KB Flash 16MHz TQFP-64 | Microchip
ATMEGA128A-AU ✓ 量产中规格对比
| 参数 | ATMEGA128A-AU | ATMEGA128L-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） | $4.30 | $23.49 |
| Core Processor | AVR | — |
| Core Size | 8-Bit | — |
| Architecture | Enhanced RISC, 133 instructions | — |
| Max Clock Frequency | 16 MHz | 8 MHz |
| Flash Memory | 128 KB (64K x 16), In-System Programmable, read-while-write | 128 KB (64K x 16) |
| EEPROM | 4 KB | 4 KB |
| SRAM | 4 KB | 4 KB |
| Supply Voltage Range | 2.7 V to 5.5 V | 2.7 V to 5.5 V |
| General Purpose I/O | 53 lines | — |
| Working Registers | 32 general purpose | — |
| Timers/Counters | 4 flexible timer/counters with compare modes and PWM | 2 x 8-bit, 2 x 16-bit |
| Communication Interfaces | 2x USART, TWI (I2C), SPI | — |
| ADC | 8-channel, 10-bit | — |
| Real-Time Counter | Yes (RTC) | — |
| Debug / Boundary Scan | JTAG (IEEE 1149.1) | — |
| 封装 | 64-TQFP (14x14 mm) | 64-TQFP (14x14 mm) |
| 安装类型 | Surface Mount | Surface Mount |
| 工作温度 | [DATA_NEEDED: operating temperature range] | -40C to +85C (industrial) |
| Projected End of Life | 2048-10-03 (per distributor lifecycle data) | — |
| Core Architecture | — | AVR 8-bit RISC |
| I/O Pins | — | 53 |
| ADC Resolution | — | 10-bit, 8 channels |
| USARTs | — | 2 |
| Debug Interface | — | JTAG (on-chip debug + boundary scan) |
| MIPS | — | Up to 8 MIPS at 8 MHz (1 MIPS/MHz) |
| Low-Power Sleep Modes | — | 6 modes |
| In-System Programming | — | Yes (ISP via SPI) |
| RoHS 状态 | — | Compliant |