ATMEGA48PA-MUR vs ATMEGA48PB-MUR 对比
详细并排对比 ATMEGA48PA-MUR 出自 Microchip Technology 和 ATMEGA48PB-MUR 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
ATMEGA48PA-MUR - 8-bit AVR MCU 4KB 20MHz VQFN-32 | Microchip
ATMEGA48PA-MUR ✓ 量产中规格对比
| 参数 | ATMEGA48PA-MUR | ATMEGA48PB-MUR |
|---|---|---|
| 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 | $0.88 |
| Core Processor | AVR | AVR |
| Core Size | 8-bit | 8-Bit |
| Speed | 20 MHz | — |
| Flash Memory | 4 KB (2K x 16) | — |
| EEPROM | 256 B | — |
| SRAM | 512 B | — |
| Supply Voltage Range | 1.8 V to 5.5 V | [DATA_NEEDED: VCC range] (PB family typically 1.8 V to 5.5 V) |
| Number of I/O | 23 | 27 |
| ADC Resolution | 10-bit, 6 channels | — |
| Timers | Two 8-bit, one 16-bit | — |
| Communication Interfaces | USART, SPI, I2C (TWI) | — |
| 工作温度 | -40C to +85C | -40C to +85C (industrial, per FindIC: IND TEMP) |
| 封装 | 32-VQFN (5x5 mm) 32M1 | 32-VFQFN Exposed Pad (5x5 mm) |
| 安装类型 | Surface Mount | Surface Mount |
| Package Height / Pitch | 1 mm height, 0.45 mm pitch (per datasheet package drawing) | — |
| Programming Features | ISP, IAP, debugWIRE | — |
| Power-Saving Modes | 5 modes incl. picoPower power-down | — |
| RoHS 状态 | Compliant (GREEN package) | Green / RoHS compliant (per Mouser: QFN/MLF GRN) |
| 最大时钟频率 | — | 20 MHz |
| Program Memory Size | — | 4 KB (2K x 16) Flash |
| Program Memory Type | — | ISP FLASH |
| EEPROM Size | — | 256 B |
| SRAM Size | — | 512 B |
| Connectivity | — | I2C, SPI, UART/USART |
| Peripherals | — | Brown-out Detect/Reset, POR, PWM, WDT |
| Technology | — | picoPower |
| Packaging | — | Tape & Reel (R suffix) |
| Functional Safety | — | FuSa-capable part (per DigiKey listing) |