ATMEGA8L-8AU vs ATMEGA8A-AU 对比
详细并排对比 ATMEGA8L-8AU 出自 Microchip Technology 和 ATMEGA8A-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
ATMEGA8A-AU - AVR 8-bit MCU 16MHz 8KB Flash TQFP-32 | Microchip
ATMEGA8A-AU ✓ 量产中规格对比
| 参数 | ATMEGA8L-8AU | ATMEGA8A-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） | $1.82 | $1.31 |
| Core Architecture | AVR 8-bit RISC | 8-bit AVR RISC |
| Program Memory Size | 8 KB Flash (4K x 16) | — |
| Flash Endurance | 10,000 write/erase cycles | 10,000 write cycles |
| SRAM | 1 KB | 1 KB |
| EEPROM | 512 bytes | 512 B |
| EEPROM Endurance | 100,000 write/erase cycles | 100,000 write cycles |
| 最大时钟频率 | 8 MHz | 16 MHz |
| Throughput | Up to 8 MIPS at 8 MHz | Up to 16 MIPS at 16 MHz |
| Supply Voltage Range | 2.7 V to 5.5 V | 4.5 V to 5.5 V (at 16 MHz) |
| 工作温度 | -40 C to +85 C | — |
| Programmable I/O Lines | 23 | — |
| ADC Resolution | 10-bit, 8 channels | — |
| Timers | Two 8-bit, one 16-bit | 2x 8-bit, 1x 16-bit timer/counter |
| PWM Channels | 3 (two 8-bit, one 16-bit) | — |
| Communication Interfaces | SPI, USART, TWI (I2C) | 1x USART, SPI, TWI (I2C) |
| 封装 | 32-TQFP (7x7 mm) | 32-TQFP (7x7 mm, 0.8 mm pitch) |
| 安装类型 | Surface Mount | Surface Mount |
| Instruction Set | 130 powerful instructions | — |
| Sleep Modes | 5 (Idle, ADC Noise Reduction, Power-save, Power-down, Standby) | — |
| RoHS 状态 | Compliant | — |
| Flash Program Memory | — | 8 KB (4K x 16) |
| I/O Pins | — | 23 |
| Instructions | — | 130 instructions, most single-cycle |
| Hardware Multiplier | — | On-chip 2-cycle multiplier |
| ADC | — | 10-bit, 6 multiplexed channels (8 on TQFP/QFN incl. ADC6/ADC7) |
| Analog Comparator | — | Yes, on-chip |
| Programming / Debug | — | In-Circuit Serial Programming (ICSP) via SPI, MPLAB SNAP supported |
| 生命周期状态 | — | Active |