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AT24C32D-XPD-T

产品描述: 32Kbit 4Kx8 2.5V EEPROM,Non-Volatile 5.5V 1MHz 900ns I2C 100Year TSSOP-8 贴片安装,黏合安装
供应商型号: AT24C32D-XPD-T-ND
供应商: Digi-Key
标准整包数: 1
MICROCHIP TECHNOLOGY 带电可擦可编程只读存储器(EEPROM) AT24C32D-XPD-T

AT24C32D-XPD-T概述

    # Comprehensive Overview of the Atmel AT24C32D/64D Serial EEPROM
    Product Introduction
    The Atmel AT24C32D/64D is a serial electrically erasable programmable read-only memory (EEPROM) designed for automotive applications. It offers two memory capacities: 32K (4,096 x 8) and 64K (8,192 x 8) bits. The device supports 2-Wire Serial Interface, compatible with the widely-used I²C protocol, making it highly versatile in multiple embedded systems. Key applications include automotive systems, consumer electronics, industrial automation, and various other fields requiring reliable, low-power EEPROM solutions.
    Technical Parameters
    The AT24C32D/64D EEPROM's specifications are outlined below:
    Operating Conditions:
    - Voltage Range:
    - Grade 1: 2.5V to 5.5V
    - Grades 2 and 3: 1.7V to 5.5V
    - Temperature Range:
    - Grade 1: -40°C to 125°C
    - Grade 2: -40°C to 105°C
    - Grade 3: -40°C to 85°C
    - Pin Capacitance:
    - SDA: 8 pF
    - SCL: 6 pF
    Electrical Characteristics:
    - Current Consumption:
    - Standby current (ISB1 @ 1.7V): 0.1–3.0 µA
    - Standby current (ISB2 @ 2.5V): 1.6–4.0 µA
    - Standby current (ISB3 @ 5.0V): 4.0–6.0 µA
    - Data Endurance:
    - 1,000,000 write cycles per page
    - Data retention: 100 years
    Timing Specifications:
    - Clock frequency (fSCL): 100–400 kHz
    - Write cycle time (tWR): ≤5 ms
    - Rise/fall time (tR/tF): ≤1 µs
    The device operates in extended temperature ranges, making it suitable for harsh environments while ensuring stable performance under varying voltage conditions.
    Product Features and Advantages
    The AT24C32D/64D EEPROM offers several unique features and advantages:
    1. Dual-Voltage Operation: Supports both low-voltage (1.7V) and standard-voltage (5.5V) applications.
    2. Advanced I²C Compatibility: Supports 400 kHz speed for faster data transfers.
    3. Hardware Write Protection: Provides a dedicated WP pin to prevent unauthorized data modifications.
    4. High Reliability: With 1,000,000 write cycles and a data retention period of 100 years, it ensures long-term storage without degradation.
    5. Compact Packaging Options: Available in 8-lead JEDEC SOIC, 8-lead TSSOP, and 8-pad UDFN packages, providing flexibility for different design requirements.
    These features make the AT24C32D/64D an ideal choice for automotive and industrial applications demanding high reliability, flexibility, and extended temperature support.
    Application Case Studies and Usage Recommendations
    Use Cases:
    - Automotive Applications: In vehicles, the EEPROM can store critical parameters such as calibration data, fault logs, and real-time data for sensors and controllers.
    - Consumer Electronics: Suitable for storing user preferences, firmware updates, and configuration settings.
    - Industrial Automation: Useful in industrial control systems for storing operational logs and device settings.
    Recommendations:
    - Optimize Power Management: Ensure proper power supply and bypass capacitors to maintain stable operating conditions.
    - Implement Acknowledge Polling: Use acknowledge polling during write operations to avoid data corruption due to incomplete writes.
    - Test Compatibility: Conduct thorough testing in prototype stages to ensure seamless integration with other components.
    Compatibility and Support
    The AT24C32D/64D EEPROM is fully compatible with standard I²C buses, making it interoperable with numerous microcontrollers and processors. Atmel provides comprehensive technical documentation, including datasheets, application notes, and support forums, to assist developers in designing robust systems.
    Common Issues and Solutions
    | Problem | Solution |

    | EEPROM fails to initialize after power-up | Perform a memory reset using Start and Stop conditions as described in the manual. |
    | Overwritten data during page writes | Limit the number of transmi

AT24C32D-XPD-T参数

参数
最大工作供电电压 5.5V
编程电压 -
存储器类型 EEPROM,Non-Volatile
最大时钟频率 1MHz
输出使能访问时间 -
存储容量 32Kbit
最小工作供电电压 2.5V
接口类型 I2C
最大访问时间 900ns
数据保留时长 100Year
组织 4Kx8
3.1mm(Max)
4.5mm(Max)
1.05mm(Max)
通用封装 TSSOP-8
安装方式 贴片安装,黏合安装
应用等级 汽车级
零件状态 在售
包装方式 卷带包装

AT24C32D-XPD-T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。

AT24C32D-XPD-T数据手册

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