ATMEGA8-16AU vs ATMEGA48-20AU 对比
详细并排对比 ATMEGA8-16AU 出自 Microchip Technology 和 ATMEGA48-20AU 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 | ATMEGA8-16AU | ATMEGA48-20AU |
|---|---|---|
| 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 | $1.68 |
| 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-pin TQFP (7x7 mm, 0.8 mm pitch) |
| 安装类型 | Surface Mount | — |
| Programmability | In-System Programmable (ISP) FLASH | — |
| Life Cycle Stage | Active | — |
| Throughput | Up to 16 MIPS at 16 MHz | Up to 20 MIPS |
| 工作温度 | [DATA_NEEDED: operating temperature range] | -40C to +85C (industrial) |
| RoHS 状态 | Green / RoHS compliant (per distributor listing) | Compliant |
| MSL Rating | [DATA_NEEDED: moisture sensitivity level] | — |
| 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 |
| 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) |
| 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 |