ATMEGA4809-AFR vs ATMEGA4809-AF 对比
详细并排对比 ATMEGA4809-AFR 出自 Microchip Technology 和 ATMEGA4809-AF 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 | ATMEGA4809-AFR | ATMEGA4809-AF |
|---|---|---|
| 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） | $1.36 | $1.92 |
| Core | AVR 8-bit | 8-bit AVR RISC with hardware multiplier |
| Core Size | 8-bit | — |
| Series | megaAVR 0 | — |
| 最大时钟频率 | 20 MHz | — |
| Program Memory Size | 48 KB (48K x 8) Flash | — |
| SRAM Size | 6 KB | — |
| EEPROM Size | 256 B | — |
| 电源电压 | 1.8 V to 5.5 V (3.3V/5V operation) | — |
| 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 | — |
| 工作温度 | -40C to +105C | -40C to +105C (industrial) |
| 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] | — |
| RoHS 状态 | Compliant | — |
| Core Speed | — | 20 MHz max |
| Flash Memory | — | 48 KB (24K x 16) |
| SRAM | — | 6 KB |
| EEPROM | — | 256 bytes |
| Operating Voltage Range | — | 1.8 V to 5.5 V |
| Supply Voltage (typical) | — | 3.3 V / 5 V |
| Number of I/Os | — | 43 programmable I/O pins |
| ADC Resolution | — | 10-bit |
| ADC Channels | — | 16 single-ended |
| UART Interfaces | — | 3 (USART) |
| SPI Interfaces | — | 2 |
| I2C Interfaces | — | 2 (TWI) |
| Timers | — | TCA x2, TCB x4, TCD x1 |
| Core Independent Peripherals (CIP) | — | Yes (CCL, event system, WDT, BOD) |
| Programming/Debug Interface | — | UPDI (single-wire) |
| 封装 | — | 48-TQFP (7x7 mm) |
| Functional Safety Support | — | FuSa package support |
| 安装类型 | — | Surface Mount |