DS28EC20+T

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DS28EC20+T

+BOM

IC EEPROM 20KBIT 1-WIRE TO92-3

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Specifications

Attribute Value
Package Tape & Reel (TR),Cut Tape (CT)
ProductStatus Active
MemoryType Non-Volatile
MemoryFormat EEPROM
Technology EEPROM
MemorySize 20Kb (256 x 80)
MemoryInterface 1-Wire®
OperatingTemperature -40°C ~ 85°C (TA)
MountingType Through Hole
Package/Case TO-226-3, TO-92-3 (TO-226AA) Formed Leads

Overview

Description

The DS28EC20+T is a 1-Wire EEPROM memory device manufactured by Maxim Integrated. It offers 20Kb of non-volatile memory, accessible through a single data line, which makes it ideal for systems requiring minimal wiring and space constraints. The device operates under a wide voltage range (2.8V to 5.25V), making it versatile for various applications. Its 1-Wire communication protocol enables simple integration into systems, requiring only a single connection to transmit both data and power, simplifying design and reducing costs.
Key features include its unique 64-bit ROM registration number, which ensures network addressability even in multi-device configurations. It also offers high data retention and write endurance, making it suitable for storing calibration constants, configuration data, or other critical information in industrial, consumer, or medical applications. The DS28EC20+T is designed to be robust, operating effectively in varied environmental conditions. Additionally, its compact package size makes it suitable for applications where space is limited. Its reliability and simplicity make the DS28EC20+T a practical choice for embedded systems needing efficient memory solutions.

Equivalent

The DS28EC20+T is a 1-Wire EEPROM with 20Kb (kilobits) memory. Equivalent products with similar functionality include the DS28EC20 (non-T variant) by Maxim Integrated, which is essentially the same device without specific packaging or temperature range distinctions. Additionally, EEPROMs with similar memory capacity and communication protocols from other manufacturers, such as the AT24C20 from Microchip Technology or the 24AA20 from other vendors, might serve as alternatives, though they might not use the 1-Wire interface.

Features

The DS28EC20+T is a 1-Wire device from Maxim Integrated/Analog Devices that provides 20Kb of non-volatile EEPROM memory. Key features include:
1. 1-Wire Interface: Simplifies communication with only one data line and ground.
2. EEPROM Memory: Offers 2560 bytes organized as 20Kb, suitable for storing secure data.
3. Robust Communication: Ensures reliable operation with a unique 64-bit registration number.
4. Wide Operating Range: Functions between -40°C to +85°C, suitable for various environments.
5. Low Power Requirements: Ideal for energy-efficient designs.
6. User-Programmable Pages: Provides flexibility in data management and storage.
7. Strong Data Protection: Features password protection to prevent unauthorized access to data.
8. Compact Package: Available in a TDFN package, facilitating integration into space-constrained applications.
This device is ideal for applications requiring secure data storage and minimal interfacing, such as authentication, configuration, or calibration data storage.

Pinout

The DS28EC20+T is a 1-Wire EEPROM device manufactured by Maxim Integrated. It features a 3-pin configuration: GND, DATA, and NC (No Connection). The primary function of the DS28EC20+T is to provide non-volatile memory storage with a capacity of 20Kb (kilobits) organized as 256 pages of 8 bytes each. The device operates on a single data line (DATA) for both power and communication, using the 1-Wire protocol. The key functions include data storage, retrieval, and EEPROM protection with user-programmable and permanent write protection options. The device is suited for applications requiring low-pin-count, low-power memory storage with unique 1-Wire addressing capabilities.

Manufacturer

The DS28EC20+T is manufactured by Maxim Integrated, which is now part of Analog Devices, Inc. Analog Devices is a multinational semiconductor company that designs and manufactures integrated circuits for a wide range of applications. They focus on high-performance analog, mixed-signal, and digital signal processing (DSP) integrated circuits used in industries such as industrial automation, automotive, communications, healthcare, and consumer electronics.

Application

The DS28EC20+T is a 1-Wire EEPROM device used in various applications that require secure data storage and retrieval. Key areas include:
1. Authentication: Ensures secure access and verifies the authenticity of products and devices.
2. Calibration Data Storage: Retains calibration constants and configuration settings in industrial and consumer electronics.
3. Asset Tracking: Supports unique identification and tracking of assets in supply chain and inventory systems.
4. Data Logging: Stores sensor data in embedded systems for later retrieval and analysis.
5. Medical Devices: Manages patient data and device configuration settings securely.
6. Consumer Electronics: Supports customization and personalization by storing user preferences.
These applications leverage the device's secure, non-volatile memory and 1-Wire communication interface.

Package

The DS28EC20+T is a chip manufactured by Maxim Integrated. It comes in a TO-92 package type, which is a small, encapsulated form suitable for through-hole assembly. The "+T" typically indicates that the device is supplied in a tape-and-reel packaging format for automated assembly processes.

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