ATMEGA809-AU vs ATMEGA4809-AFR 对比
详细并排对比 ATMEGA809-AU 出自 Microchip Technology 和 ATMEGA4809-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
ATMEGA4809-AFR - 8-bit AVR MCU 20MHz 48KB Flash TQFP-48 | Microchip
ATMEGA4809-AFR ✓ 量产中规格对比
| 参数 | ATMEGA809-AU | ATMEGA4809-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） | $0.98 | $1.36 |
| Core Processor | AVR (8-bit) | — |
| Core Size | 8-Bit | 8-bit |
| 最大时钟频率 | 20 MHz | 20 MHz |
| Flash Memory | 8 KB (8K x 8) | — |
| SRAM | 1 KB | — |
| EEPROM | 256 bytes | — |
| Connectivity | I2C, SPI, UART/USART | — |
| Peripherals | Brown-out Detect/Reset, Power-on Reset, Event System | — |
| Number of I/O | [DATA_NEEDED: Number of I/O pins] | — |
| 封装 | 48-TQFP (7x7 mm) | — |
| 安装类型 | Surface Mount | — |
| Series | megaAVR 0, Functional Safety (FuSa) | megaAVR 0 |
| 工作温度 | [DATA_NEEDED: Operating temperature range] | -40C to +105C |
| 电源电压 | [DATA_NEEDED: Supply voltage range] | 1.8 V to 5.5 V (3.3V/5V operation) |
| Data Converter | [DATA_NEEDED: ADC resolution and channels] | — |
| Program Memory Type | FLASH | — |
| Hardware Multiplier | Yes | — |
| RoHS 状态 | Compliant | Compliant |
| Core | — | AVR 8-bit |
| Program Memory Size | — | 48 KB (48K x 8) Flash |
| SRAM Size | — | 6 KB |
| EEPROM Size | — | 256 B |
| 数据总线宽度 | — | 8 bit |
| Programmability | — | UPDI (Unified Program and Debug Interface) |
| Peripheral Features | — | Core Independent Peripherals (CIP), 10-bit ADC, event system, Peripheral Touch Controller |
| Communication Interfaces | — | UART, SPI, I2C/TWI |
| 封装 / 外壳 | — | TQFP-48 (7x7 mm) |
| 安装方式 | — | SMD/SMT |
| Packaging | — | Tape & Reel (R suffix) |
| Functional Safety | — | FuSa variant per DigiKey listing |
| Moisture Sensitivity Level | — | [DATA_NEEDED: MSL level] |
| Thermal Resistance (theta_JA) | — | [DATA_NEEDED: theta_JA] |