DS28E07+

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DS28E07+

IC EEPROM 1KBIT 1-WIRE TO92-3

  • 제조업체Analog Devices Inc./Maxim Integrated
  • Mfr.부분 #DS28E07+
  • 패키지
  • 데이터시트
  • 재고 있음3864

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사양

Part Status Active
DigiKey Programmable Not Verified
Memory Type Non-Volatile
Memory Format EEPROM
Technology EEPROM
Memory Size 1Kbit
Memory Organization 256 x 4
Memory Interface 1-Wire®
Voltage - Supply 3V ~ 5.25V
Operating Temperature -40°C ~ 85°C (TA)
Mounting Type Through Hole
Package / Case TO-226-3, TO-92-3 (TO-226AA)
Supplier Device Package TO-92-3
Base Product Number DS28E07
Access Time 2 µs

개요

Description

The DS28E07+ is a secure, single-chip authentication device from Maxim Integrated, designed to enhance system security in various applications. It features a unique 1-Wire interface, allowing for easy integration into existing designs with minimal pin count. The DS28E07+ includes a built-in secure EEPROM that supports user-defined data storage for cryptographic keys and device-specific information.
Key features include a unique 64-bit serial number, cryptographic algorithms (SHA-256 and HMAC), and secure firmware, ensuring robust protection against unauthorized access and cloning. The device is particularly useful in applications like IoT, consumer electronics, and industrial systems, where secure authentication is critical.
Additionally, the DS28E07+ supports multiple security mechanisms, including challenge-response authentication, making it suitable for environments that require high levels of security. Its compact form factor and low power consumption make it ideal for battery-operated devices. Overall, the DS28E07+ is a versatile solution for implementing secure authentication in various digital applications.

Features

The DS28E07+ is a secure, single-chip device from Maxim Integrated that includes a unique 64-bit serial number and integrates a cryptographic engine for secure authentication. Key features include:
1. Secure Authentication: Provides a secure method for device authentication using the SHA-256 hashing algorithm.
2. 64-bit UID: Each device has a unique identifier (UID) for identification and tracking.
3. Memory: Offers 1K-bit (128 bytes) of EEPROM for non-volatile storage of user data.
4. I2C Interface: Communicates via a standard I2C interface, allowing easy integration into various systems.
5. Tamper Resistance: Designed to resist physical tampering and unauthorized access.
6. Low Power Consumption: Operates efficiently, making it suitable for battery-powered applications.
7. High Reliability: Built for long-term reliability in various environments.
These features make the DS28E07+ ideal for applications requiring secure access control, identity verification, and data protection.

Package

The DS28E07+ is typically available in a 6-pin TSOC (Thin Small Outline Chip) package. This compact package is designed for applications requiring low power and minimal board space, making it suitable for various embedded systems and secure applications.

Pinout

The DS28E07+ is a 1-Wire EEPROM device with a pin count of 6. The functions of its pins are as follows:
1. GND (Pin 1): Ground connection.
2. VCC (Pin 2): Supply voltage pin, typically operates between 3.0V to 5.25V.
3. Data (Pin 3): 1-Wire data interface for communication.
4. NC (Pin 4): No connection; not used.
5. NC (Pin 5): No connection; not used.
6. Thermal Pin (Pin 6): Used for thermal sensing; can be connected to a thermal pad or left unconnected.
The DS28E07+ supports tree-based addressing and features a unique 64-bit serial number, allowing it to operate in various applications requiring secure data storage and retrieval.

Manufacturer

The DS28E07+ is manufactured by Maxim Integrated, which is a semiconductor company. It specializes in designing and producing analog and mixed-signal integrated circuits (ICs) for a wide range of applications, including automotive, industrial, and consumer electronics. In 2021, Maxim Integrated was acquired by Analog Devices, Inc., further expanding its portfolio and capabilities in the semiconductor industry. The DS28E07+ is a one-wire secure unique identifier chip, often used for authentication and secure data transmission in various electronic devices.

Application

The DS28E07+ is a secure 1-Wire EEPROM used in various application areas, including secure data storage, authentication, asset tracking, and device identification. It's ideal for IoT devices, smart sensors, and consumer electronics that require tamper-proof memory for configuration settings or cryptographic keys. Additionally, it can be utilized in industrial automation, medical devices, and automotive systems for secure communication and data integrity.

Equivalent

The DS28E07+ chip is a secure, single-chip device primarily used for secure authentication and data storage. Equivalent products include:
1. DS28E07 - Similar without the "plus" enhancements.
2. DS2475 - 1-Wire Bridge with security features.
3. DS28CM00 - Cryptographic co-processor with secure storage.
4. MAXQ1061 - Secure microcontroller with similar capabilities.
Always verify specific features and compatibility for your application.

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