ATMEGA4809-AF vs ATMEGA4809-AFR 对比
详细并排对比 ATMEGA4809-AF 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 | ATMEGA4809-AF | 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） | $1.92 | $1.36 |
| Core | 8-bit AVR RISC with hardware multiplier | AVR 8-bit |
| 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) | — |
| 工作温度 | -40C to +105C (industrial) | -40C to +105C |
| Functional Safety Support | FuSa package support | — |
| 安装类型 | Surface Mount | — |
| 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 |
| 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 |