ATMEGA48PB-MU vs ATMEGA48PA-MU 对比
详细并排对比 ATMEGA48PB-MU 出自 Microchip Technology 和 ATMEGA48PA-MU 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
ATMEGA48PB-MU - 8-bit AVR MCU 4KB Flash 20MHz QFN-32 | Microchip
ATMEGA48PB-MU ✓ 量产中规格对比
| 参数 | ATMEGA48PB-MU | ATMEGA48PA-MU |
|---|---|---|
| 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） | $0.94 | $1.08 |
| Core Architecture | AVR 8-bit RISC | AVR 8-bit RISC |
| Program Memory (Flash) | 4 KB (2K x 16) | — |
| EEPROM | 256 B | 256 B |
| SRAM | 512 B | 512 B |
| Maximum CPU Frequency | 20 MHz | — |
| Supply Voltage Range | 1.8 V to 5.5 V | 1.8 V to 5.5 V (picoPower) |
| General Purpose I/O | 27 lines | 23 lines |
| ADC Resolution | 10-bit, 8 channels | — |
| Timers/Counters | 3 (with compare modes) | 2 x 8-bit, 1 x 16-bit with compare modes |
| Communication Interfaces | USART, SPI, Two-Wire Interface (I2C-compatible) | USART, SPI, Two-Wire Interface (I2C) |
| Low Power Technology | picoPower | — |
| 工作温度 | -40 C to +85 C | -40C to +85C (industrial) |
| 封装 | 32-VFQFN (5x5 mm) | 32-pin VQFN (5x5 mm, 0.5 mm pitch), green |
| 安装类型 | Surface Mount | Surface Mount |
| Working Registers | 32 x 8-bit | 32 x 8-bit |
| In-System Programming | Yes (ISP, read-while-write) | — |
| Functional Safety Support | Yes (FuSa class per DigiKey listing) | — |
| RoHS 状态 | Compliant (green package) | Compliant (GREEN package) |
| Flash Memory | — | 4 KB (2K x 16) ISP Flash |
| 最大时钟频率 | — | 20 MHz |
| ADC | — | 10-bit, 8 single-ended channels, differential with programmable gain |
| Sleep Modes | — | 6 modes incl. power-down at 0.1 uA (picoPower) |
| Internal Oscillator | — | Calibrated RC oscillator (8 MHz nominal, divided options) |
| Brown-out Detector | — | Yes, on-chip |
| Flash Endurance | — | 10,000 write/erase cycles (per datasheet family specification) |