ATMEGA808-AFR vs ATMEGA4808-AFR 对比
详细并排对比 ATMEGA808-AFR 出自 Microchip Technology 和 ATMEGA4808-AFR 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
ATMEGA808-AFR - 20MHz 8KB Flash AVR MCU TQFP-32 | Microchip
ATMEGA808-AFR ✓ 量产中Microchip Technology
ATMEGA4808-AFR - 8-bit AVR MCU 20MHz 48KB Flash TQFP-32 | Microchip
ATMEGA4808-AFR ✓ 量产中规格对比
| 参数 | ATMEGA808-AFR | ATMEGA4808-AFR |
|---|---|---|
| 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） | $0.79 | $1.72 |
| Core Processor | AVR (8-bit) with hardware multiplier | AVR (megaAVR 0-series), 8-bit |
| Core Size | 8-bit | 8-bit |
| 最大时钟频率 | 20 MHz | — |
| Flash Memory Size | 8 KB (8K x 8) | — |
| SRAM Size | 1 KB | — |
| EEPROM Size | 256 bytes | 256 x 8 |
| 封装 | 32-TQFP (7x7 mm) | 32-TQFP (7x7 mm) |
| 引脚数 | 32 | — |
| 工作温度范围 | -40C to +125C | — |
| Series | megaAVR 0 (Functional Safety / FuSa) | megaAVR 0 |
| 安装类型 | Surface Mount | Surface Mount |
| Qualification | AEC-Q100 (automotive grade, AFR suffix) | — |
| 电源电压 | [DATA_NEEDED: supply voltage range] | — |
| Number of I/O | [DATA_NEEDED: number of GPIO] | — |
| ADC Resolution | [DATA_NEEDED: ADC resolution and channels] | — |
| Communication Interfaces | [DATA_NEEDED: USART/SPI/TWI counts] | — |
| RoHS 状态 | Compliant | — |
| Moisture Sensitivity Level | [DATA_NEEDED: MSL level] | — |
| Speed | — | 20 MHz |
| Program Memory Size | — | 48KB (48K x 8) |
| Program Memory Type | — | FLASH |
| RAM Size | — | 6K x 8 |
| Voltage - Supply (Vcc/Vdd) | — | 1.8V ~ 5.5V |
| Data Converters | — | A/D 12x10b |
| Oscillator Type | — | Internal |
| 工作温度 | — | -40C ~ 125C |
| Safety Qualification | — | Functional Safety (FuSa) |
| Hardware Multiplier | — | Yes |
| Packaging | — | Tape & Reel (R suffix) |