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24AA044-I/P

产品描述: 4Kb (256 x 8 x 2) 1.7V~5.5V 512x8 1.7V EEPROM,非易失 5.5V 1MHz 400ns I2C 200Year DIP 通孔安装
供应商型号: 579-24AA044-I/P
供应商: Mouser
标准整包数: 1
MICROCHIP TECHNOLOGY 带电可擦可编程只读存储器(EEPROM) 24AA044-I/P

24AA044-I/P概述

    # Microchip 24AA044 4Kbit I²C Serial EEPROM Product Overview
    1. Product Introduction
    The Microchip Technology Inc. 24AA044 is a low-power, single-supply 4Kbit serial electrically erasable programmable read-only memory (EEPROM) device designed for versatile applications. Operating within a wide voltage range of 1.7V to 5.5V, the EEPROM features low standby and active currents, making it suitable for battery-operated systems and energy-efficient designs. The device organizes its memory into two blocks of 256 x 8-bit arrays, accessible via a bidirectional 2-wire serial interface compatible with the I²C protocol.
    This product is ideal for applications requiring persistent data storage, including automotive, industrial, consumer electronics, and communication systems. Its small form factor and multi-package options make it easy to integrate into compact and cost-effective designs.
    2. Technical Parameters
    Electrical Characteristics:
    - Voltage Range: 1.7V to 5.5V
    - Clock Frequency: Up to 1 MHz (downgraded to 400 kHz for 1.8V to 2.2V and 100 kHz for VCC < 1.8V)
    - Active Current: 400 µA @ 5.5V
    - Standby Current: 1 µA @ 85°C (maximum)
    - Page Write Time: 5 ms maximum
    - Erase/Write Cycles: Over 1 million
    - Data Retention: Greater than 200 years
    - Write Protect: Hardware support
    - Temperature Range:
    - Industrial: -40°C to +85°C
    - Automotive: -40°C to +125°C
    Package Options:
    - 8-lead PDIP, SOIC, TSSOP, UDFN, and MSOP
    3. Product Features and Advantages
    Key Features:
    - Low Power Consumption: Minimal active and standby currents.
    - Cascadable Design: Supports up to four devices for expanded memory capacity.
    - Schmitt Trigger Inputs: Provides noise suppression on data and clock lines.
    - Flexible Memory Architecture: Organized into two blocks for efficient addressing.
    - High Reliability: Data retention exceeding 200 years.
    - Wide Operating Range: Ensures compatibility across multiple voltage and temperature ranges.
    Market Advantage:
    The 24AA044 stands out due to its robust design, extensive endurance, and compatibility with modern microcontrollers via the I²C protocol. Its low power consumption makes it an excellent choice for IoT, wearable technology, and portable devices where energy efficiency is critical.
    4. Application Case Studies and Usage Recommendations
    Typical Applications:
    - Data logging in industrial sensors.
    - Configuration storage in automotive electronics.
    - Non-volatile storage in consumer devices like remote controls and smart home appliances.
    Use Case Example:
    In a data logging system, the 24AA044 can store critical sensor readings with a high level of accuracy and durability. To optimize performance:
    - Ensure proper pull-up resistors (typically 2 kΩ for 400 kHz) are installed on the SDA and SCL lines.
    - Utilize hardware write protection to prevent accidental overwrites.
    - Implement ACK polling for better bus throughput during write cycles.
    Optimization Tips:
    - Use contiguous addressing for multi-device configurations to simplify software implementation.
    - Regularly refresh unused pages to maintain memory integrity.
    5. Compatibility and Support
    Compatibility:
    - The 24AA044 is fully compliant with the I²C protocol, ensuring seamless integration with most microcontrollers supporting this interface.
    - Compatible with various package types for ease of PCB layout and assembly.
    Vendor Support:
    Microchip provides comprehensive documentation, development tools, and technical support to assist users in integrating the 24AA044 into their designs. Additionally, the device is RoHS-compliant, meeting environmental standards for sustainable production.
    6. Common Issues and Solutions
    | Issue | Solution |

    | Data not written during pag

24AA044-I/P参数

参数
存储器类型 EEPROM,非易失
最大访问时间 400ns
最大工作供电电压 5.5V
组织 512x8
数据保留时长 200Year
最大时钟频率 1MHz
编程电压 1.7V~5.5V
接口类型 I2C
最小工作供电电压 1.7V
输出使能访问时间 -
存储容量 4Kb (256 x 8 x 2)
通用封装 DIP
安装方式 通孔安装
零件状态 在售

24AA044-I/P厂商介绍

Microchip Technology是一家全球领先的半导体公司,总部位于美国亚利桑那州。公司成立于1989年,专注于设计、制造和销售各种微控制器、模拟、FPGA、连接、功率管理、分立和安全产品。

Microchip Technology的产品主要分为以下几类:
1. 微控制器(MCU):包括PIC、AVR和dsPIC系列,广泛应用于工业控制、消费电子、汽车电子等领域。
2. 模拟产品:包括电源管理、信号处理、接口和传感器等,用于提高系统性能和降低功耗。
3. 连接产品:包括以太网、无线和串行通信解决方案,实现设备间的高效数据传输。
4. FPGA(现场可编程门阵列):提供灵活的硬件解决方案,适用于高速数据处理和复杂逻辑设计。
5. 功率管理产品:包括电源模块、电池管理等,用于提高能效和延长设备寿命。
6. 分立产品:包括二极管、晶体管、MOSFET等,用于电路保护和信号放大。
7. 安全产品:包括加密模块、安全存储器等,保护数据安全和防止篡改。

Microchip Technology的优势在于其丰富的产品线、强大的研发能力和全球销售网络。公司不断推出创新产品,满足客户在不同应用领域的多样化需求。同时,Microchip还提供全面的技术支持和定制化解决方案,帮助客户缩短产品上市时间并降低开发成本。

24AA044-I/P数据手册

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MICROCHIP TECHNOLOGY 带电可擦可编程只读存储器(EEPROM) MICROCHIP TECHNOLOGY 24AA044-I/P 24AA044-I/P数据手册

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价格梯度 中国香港交货 内地交货(含增值税)
1+ $ 0.483 ¥ 4.0814
25+ $ 0.4715 ¥ 3.9842
120+ $ 0.429 ¥ 3.6251
库存: 451
起订量: 1 增量: 1
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