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DS2502+T&R

厂牌: MAXIM INTEGRATED
产品描述: 1Kb (128 x 8) 11.5V~12V 4Pagesx256 2.8V 5μA 6V 1-Wire TO-92-3 通孔安装,黏合安装
供应商型号: DS2502+T&R
供应商: 国内现货
标准整包数: 2000
MAXIM INTEGRATED 可擦除编程只读存储器(EPROM) DS2502+T&R

DS2502+T&R概述

    # DS2502 1Kb Add-Only Memory Technical Overview
    Product Introduction
    The DS2502 is a 1Kb add-only memory device designed to store and identify product-specific information such as calibration constants, maintenance records, asset tracking details, product revision status, and access codes. It integrates a factory-lasered 64-bit ROM ID with guaranteed uniqueness, ensuring absolute traceability. This component operates on a minimalist 1-Wire interface, simplifying system design and reducing cost.
    Key Features:
    - 1k-Bit EPROM with Page-Level Write Protection and a unique 64-bit ROM ID.
    - Unique, factory-lasered, and tested 64-bit registration number (8-bit family code + 48-bit serial number + 8-bit CRC tester).
    - EPROM partitioned into four 256-bit pages for random access to packetized data.
    - Support for randomly accessing and permanently write-protecting data pages.
    - Add-only memory architecture allowing additional data to be programmed without altering existing data.
    Technical Parameters
    Core Specifications
    - Memory Capacity: 1Kb (1024 bits)
    - Data Retention: 20 years minimum
    - Operating Voltage Range: 2.8V to 6.0V (-40°C to +85°C)
    - Programming Voltage: 11.5V to 12.0V (-40°C to +50°C)
    - Standby Power Consumption: Zero
    - Data Transfer Rate: Up to 16.3kb per second
    Physical Characteristics
    - Packaging Options: TO-92, SFN, TSOC, WLP, SOT-23
    - Pin Count: 3 (TO-92), 2 (SFN), 6 (TSOC), 8 (SO), 4 (WLP)
    Product Features and Advantages
    The DS2502 offers several distinct advantages over competitors:
    1. Unique Identification: Guaranteed unique 64-bit serial numbers facilitate traceability across large systems.
    2. Add-Only Architecture: Data can only be appended, preventing accidental or malicious overwrites.
    3. Efficient Communication: Utilizes a 1-Wire interface, reducing the need for multiple control lines.
    4. Flexible Data Management: Supports page-level write protection and redirection, enabling sophisticated data management strategies.
    5. Robust Performance: Operates across wide temperature ranges (-40°C to +85°C), ensuring reliability in harsh environments.
    Application Cases and Usage Recommendations
    The DS2502 is ideal for scenarios requiring secure and persistent data storage. Typical applications include:
    - Calibration Constant Storage: Useful in precision instruments where accurate calibration data must persist over time.
    - Maintenance Records: Ideal for tracking maintenance activities and history of critical machinery.
    - Asset Tracking: Provides unique identifiers for assets, enhancing inventory control.

    Usage Suggestions:
    - Ensure proper power conditioning for programming operations to avoid incomplete writes.
    - Implement periodic verification routines to confirm data integrity post-programming.
    - Use write protection features judiciously to protect sensitive data from tampering.
    Compatibility and Support
    The DS2502 supports direct connection to microcontrollers via a single port pin, facilitating easy integration. Maxim Integrated provides comprehensive support, including application notes and datasheets, to assist developers. For surface-mount applications, refer to Application Note 4132 for optimal attachment methods.
    Common Issues and Solutions
    | Issue | Solution |

    | Incorrect CRC Values | Verify command and address bytes; retry transmission if errors persist. |
    | Insufficient Programming | Confirm 12V supply during programming steps. |
    | Zero Standby Power | No action needed; this is expected behavior. |
    Summary and Recommendation
    The DS2502 stands out due to its robust architecture, unique identification capabilities, and ease of integration. Its ability to

DS2502+T&R参数

参数
最大工作供电电压 6V
最大时钟频率 -
接口类型 1-Wire
数据总线宽度 -
最小工作供电电压 2.8V
最大供电电流 5μA
编程电压 11.5V~12V
存储容量 1Kb (128 x 8)
组织 4Pagesx256
通用封装 TO-92-3
安装方式 通孔安装,黏合安装
零件状态 在售
包装方式 卷带包装

DS2502+T&R厂商介绍

Maxim Integrated(美信集成)是一家全球领先的半导体设计公司,专注于模拟、混合信号和微处理器解决方案。公司成立于1983年,总部位于美国加州圣何塞。

Maxim Integrated的主要产品分为以下几类:
1. 电源管理:包括电源管理IC、电池管理、电源转换器等,广泛应用于移动设备、工业控制等领域。
2. 微控制器:包括微处理器、微控制器等,应用于智能家居、物联网、医疗设备等领域。
3. 接口产品:包括以太网、串行通信、USB等接口产品,应用于通信、计算机等领域。
4. 传感器:包括温度、湿度、压力等传感器,应用于汽车、工业控制等领域。
5. 射频和无线:包括无线通信、射频放大器等产品,应用于无线通信、**通信等领域。

Maxim Integrated的优势在于:
1. 强大的研发能力:拥有超过4000项专利,持续推出创新产品。
2. 丰富的产品线:提供超过7万种产品,满足不同客户的需求。
3. 广泛的应用领域:产品广泛应用于消费电子、工业、汽车等领域。
4. 优质的客户服务:提供技术支持、定制解决方案等服务,满足客户的个性化需求。

DS2502+T&R数据手册

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MAXIM INTEGRATED 可擦除编程只读存储器(EPROM) MAXIM INTEGRATED DS2502+T&R DS2502+T&R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)
2000+ ¥ 7.14
4000+ ¥ 7.02
6000+ ¥ 6.9
8000+ ¥ 6.84
库存: 10000
起订量: 2000 增量: 2000
交货地:
最小起订量为:2000
合计: ¥ 14280
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