ATMEGA8-16AU vs ATMEGA8A-AU 对比
详细并排对比 ATMEGA8-16AU 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 | ATMEGA8-16AU | 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） | $1.78 | $1.31 |
| Core Processor | AVR | — |
| Core Size | 8-Bit | — |
| Speed | 16 MHz | — |
| Program Memory Size | 8 KB (4K x 16) FLASH | — |
| EEPROM Size | 512 B | — |
| RAM Size | 1 KB SRAM | — |
| 电源电压 | 4.5 V to 5.5 V | — |
| I/O Count | 23 | — |
| Architecture | Advanced RISC, 130 instructions | — |
| ADC Resolution | 10-bit | — |
| ADC Channels | 6 or 8 multiplexed channels | — |
| Peripherals | 2x 8-bit timer, 1x 16-bit timer, PWM, USART, SPI, TWI (I2C) | — |
| 封装 | 32-TQFP, 7 x 7 mm, 0.8 mm pitch | 32-TQFP (7x7 mm, 0.8 mm pitch) |
| 安装类型 | Surface Mount | Surface Mount |
| Programmability | In-System Programmable (ISP) FLASH | — |
| Life Cycle Stage | Active | — |
| Throughput | Up to 16 MIPS at 16 MHz | Up to 16 MIPS at 16 MHz |
| 工作温度 | [DATA_NEEDED: operating temperature range] | — |
| RoHS 状态 | Green / RoHS compliant (per distributor listing) | — |
| MSL Rating | [DATA_NEEDED: moisture sensitivity level] | — |
| Core Architecture | — | 8-bit AVR RISC |
| 最大时钟频率 | — | 16 MHz |
| Flash Program Memory | — | 8 KB (4K x 16) |
| EEPROM | — | 512 B |
| SRAM | — | 1 KB |
| I/O Pins | — | 23 |
| Supply Voltage Range | — | 4.5 V to 5.5 V (at 16 MHz) |
| 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) |
| Communication Interfaces | — | 1x USART, SPI, TWI (I2C) |
| Timers | — | 2x 8-bit, 1x 16-bit timer/counter |
| Analog Comparator | — | Yes, on-chip |
| Flash Endurance | — | 10,000 write cycles |
| EEPROM Endurance | — | 100,000 write cycles |
| Programming / Debug | — | In-Circuit Serial Programming (ICSP) via SPI, MPLAB SNAP supported |
| 生命周期状态 | — | Active |