ATMEGA48-20AU vs ATMEGA8-16AU 对比
详细并排对比 ATMEGA48-20AU 出自 Microchip Technology 和 ATMEGA8-16AU 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。
规格对比
| 参数 | ATMEGA48-20AU | ATMEGA8-16AU |
|---|---|---|
| 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） | $1.68 | $1.78 |
| Core Architecture | 8-bit AVR RISC (enhanced) | — |
| Program Memory (Flash) | 4 KB (2K x 16) | — |
| EEPROM | 256 B | — |
| SRAM | 512 B | — |
| Maximum CPU Frequency | 20 MHz | — |
| Throughput | Up to 20 MIPS | Up to 16 MIPS at 16 MHz |
| Supply Voltage (Vcc) | 4.5 V to 5.5 V | — |
| I/O Pins | 23 | — |
| ADC | 6-channel, 10-bit | — |
| Timer/Counters | 3 (2x 8-bit, 1x 16-bit) | — |
| Communication Interfaces | USART, SPI, TWI (I2C) | — |
| 封装 | 32-pin TQFP (7x7 mm, 0.8 mm pitch) | 32-TQFP, 7 x 7 mm, 0.8 mm pitch |
| 工作温度 | -40C to +85C (industrial) | [DATA_NEEDED: operating temperature range] |
| On-chip Debug | debugWIRE | — |
| In-System Programming | Yes (SPI) | — |
| Sleep Modes | 6 (Idle, ADC NR, Power-save, Power-down, Standby, Ext Standby) | — |
| Watchdog Timer | Programmable, with on-chip oscillator | — |
| RoHS 状态 | Compliant | Green / RoHS compliant (per distributor listing) |
| 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) |
| 安装类型 | — | Surface Mount |
| Programmability | — | In-System Programmable (ISP) FLASH |
| Life Cycle Stage | — | Active |
| MSL Rating | — | [DATA_NEEDED: moisture sensitivity level] |