ATMEGA128L-8AU vs ATMEGA64L-8AU 对比
详细并排对比 ATMEGA128L-8AU 出自 Microchip Technology 和 ATMEGA64L-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
ATMEGA64L-8AU - 8-bit AVR MCU, 64KB Flash, 8MHz | Microchip
ATMEGA64L-8AU ✓ 量产中规格对比
| 参数 | ATMEGA128L-8AU | ATMEGA64L-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） | $23.49 | $4.55 |
| Core Architecture | AVR 8-bit RISC | — |
| Max Clock Frequency | 8 MHz | — |
| Flash Memory | 128 KB (64K x 16) | 64KB (32K x 16) In-System Programmable |
| EEPROM | 4 KB | 2KB |
| SRAM | 4 KB | 4KB |
| Supply Voltage Range | 2.7 V to 5.5 V | — |
| I/O Pins | 53 | — |
| ADC Resolution | 10-bit, 8 channels | — |
| USARTs | 2 | — |
| Timers/Counters | 2 x 8-bit, 2 x 16-bit | 4 (with compare modes and PWM) |
| Debug Interface | JTAG (on-chip debug + boundary scan) | — |
| MIPS | Up to 8 MIPS at 8 MHz (1 MIPS/MHz) | — |
| 封装 | 64-TQFP (14x14 mm) | 64-TQFP (14x14 mm) |
| 安装类型 | Surface Mount | Surface Mount |
| 工作温度 | -40C to +85C (industrial) | — |
| Low-Power Sleep Modes | 6 modes | — |
| In-System Programming | Yes (ISP via SPI) | — |
| RoHS 状态 | Compliant | — |
| Core Processor | — | AVR |
| Core Size | — | 8-Bit |
| Architecture | — | AVR enhanced RISC, 130 instructions |
| Speed | — | 8 MHz |
| Operating Voltage Range | — | 2.7 V to 5.5 V |
| General Purpose I/O | — | 53 lines |
| ADC | — | 8-channel, 10-bit |
| USART | — | 2 |
| Serial Interfaces | — | TWI (I2C-compatible), SPI, 2x USART |
| JTAG | — | Yes (boundary scan, on-chip debug) |
| RTC | — | Real Time Counter with separate oscillator |
| Lifecycle Note | — | Mature product, not recommended for new designs; replaced by ATmega64A |