ATMEGA48PA-AUR vs ATMEGA48PB-AUR 对比
详细并排对比 ATMEGA48PA-AUR 出自 Microchip Technology 和 ATMEGA48PB-AUR 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-AUR - 8-Bit AVR MCU 4KB Flash 20MHz | Microchip
ATMEGA48PA-AUR ✓ 量产中Microchip Technology
ATMEGA48PB-AUR - 8-bit AVR MCU 20MHz 4KB Flash TQFP-32 | Microchip
ATMEGA48PB-AUR ✓ 量产中规格对比
| 参数 | ATMEGA48PA-AUR | ATMEGA48PB-AUR |
|---|---|---|
| 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） | $1.72 | $0.39 |
| Core Architecture | 8-bit AVR RISC | — |
| Program Memory Size | 4 KB Flash (2K x 16) | — |
| EEPROM | 256 B | 256 B |
| SRAM | 512 B | 512 B |
| 最大时钟频率 | 20 MHz | — |
| Operating Voltage Range | 1.8 V to 5.5 V | 1.8 V to 5.5 V |
| Supply Voltage (5V operation) | 4.5 V to 5.5 V | — |
| General Purpose I/O Lines | 23 | — |
| General Purpose Working Registers | 32 x 8-bit | — |
| Instruction Set | 131 powerful instructions, most single clock cycle | — |
| ADC | 6-channel 10-bit | — |
| Timer/Counters | Three flexible timer/counters with compare modes | — |
| Serial Interfaces | SPI, USART, 2-wire (I2C compatible) | — |
| Analog Comparator | One on-chip | — |
| Watchdog Timer | Programmable with separate on-chip oscillator | — |
| Internal Oscillator | Calibrated, 8 MHz | — |
| Flash Endurance | 10,000 write/erase cycles | — |
| EEPROM Endurance | 100,000 write/erase cycles | — |
| Data Retention | 20 years at 85 C | — |
| 封装 | 32-TQFP (7x7 mm) | 32-TQFP (7x7 mm) |
| 安装类型 | Surface Mount | Surface Mount |
| 工作温度 | -40 C to +85 C (industrial) | — |
| RoHS 状态 | Compliant (Green) | Compliant (GRN / green package per Mouser) |
| Core Processor | — | AVR |
| Core Size | — | 8-bit |
| Speed | — | 20 MHz |
| Flash Memory | — | 4 KB (2K x 16) |
| General-Purpose I/O | — | 27 |
| Timers/Counters | — | 3 flexible timer/counters with compare modes |
| Communication Interfaces | — | USART with wake-up on start of transmission |
| Working Registers | — | 32 general-purpose registers |
| Performance | — | Up to 1 MIPS/MHz (single-cycle RISC) |
| Low-Power Technology | — | picoPower |
| Packaging | — | Tape & Reel (AUR suffix) |
| Functional Safety | — | FuSa capable (per DigiKey listing) |