ATMEGA48PA-MNR vs ATMEGA48PB-MNR 对比
详细并排对比 ATMEGA48PA-MNR 出自 Microchip Technology 和 ATMEGA48PB-MNR 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-MNR - 8-Bit AVR MCU 20MHz 4KB Flash | Microchip
ATMEGA48PA-MNR ✓ 量产中Microchip Technology
ATMEGA48PB-MNR - 8-bit AVR MCU 4KB Flash 20MHz QFN-32 | Microchip
ATMEGA48PB-MNR ✓ 量产中规格对比
| 参数 | ATMEGA48PA-MNR | ATMEGA48PB-MNR |
|---|---|---|
| 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） | $0.86 | $0.88 |
| Core Architecture | AVR 8-bit RISC | — |
| CPU Speed | 20 MHz (20 MIPS) | — |
| Flash Memory | 4 KB (2K x 16) ISP | — |
| EEPROM | 256 B | — |
| SRAM | 512 B | — |
| General Purpose I/O | 23 | — |
| Operating Voltage Range | 1.8 V to 5.5 V | — |
| 工作温度 | -40C to +105C | -40C to +105C |
| Timers | 2 x 8-bit, 1 x 16-bit | Three flexible timer/counters with compare modes |
| ADC | 10-bit, 8 channels | — |
| Communication Interfaces | USART, SPI, TWI (I2C) | — |
| Sleep Modes | 6 (incl. Power-down, Power-save) | — |
| Watchdog Timer | Yes, with separate oscillator | — |
| 封装 | 32-VQFN (MLF) 5x5 mm | 32-VFQFN (5x5 mm) Exposed Pad |
| 安装类型 | Surface Mount | Surface Mount |
| Packaging | Tape & Reel (MNR) | Tape & Reel (MNR suffix), GREEN/RoHS |
| RoHS 状态 | Compliant (Green package) | — |
| Core Processor | — | AVR |
| Core Size | — | 8-bit |
| 最大时钟频率 | — | 20 MHz |
| Program Memory Size | — | 4 KB (2K x 16) Flash |
| Program Memory Type | — | FLASH (ISP, read-while-write) |
| EEPROM Size | — | 256 B |
| SRAM Size | — | 512 B |
| Number of I/O | — | 27 |
| Supply Voltage Range | — | 2.5 V / 3.3 V / 5 V operation |
| Connectivity | — | I2C (TWI), SPI, UART/USART |
| Peripherals | — | Brown-out Detect/Reset, POR, PWM, WDT |
| Special Features | — | picoPower technology, Functional Safety (FuSa) support |