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DS28E04S-100

Name: DS28E04S-100
Rating: 4.7 (12 reviews)

メーカー
Mfr。パート #DS28E04S-100
パッケージ UCSP-6
データシート
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仕様

Brand	Analog Devices / Maxim Integrated
Product Type	EEPROM
Subcategory	Memory & Data Storage
Delivery Restrictions	Mouser does not presently sell this product in your region.
Series	DS2431X
Mounting Style	SMD/SMT
Package/Case	UCSP-6
Interface Type	1-Wire
Minimum Operating Temperature	- 40 C
Maximum Operating Temperature	+ 85 C
Supply Voltage - Min	2.8 V
Supply Voltage - Max	5.25 V
Operating Supply Voltage	5.25 V
Memory Size	1 kbit
Organisation	256 x 4
Data Retention	40 Year

概要

Description

The DS28E04S-100 is a secure, single-chip EEPROM device from Maxim Integrated, designed for applications requiring secure data storage and authentication. It features a 4Kb memory capacity and utilizes a 1-Wire interface for communication, allowing multiple devices to share a single data line. This chip includes unique 64-bit serial numbers for device identification and supports cryptographic functions for secure data access and integrity.
Key features include programmable write protection, enhanced security through SHA-256 and AES algorithms, and the ability to store configuration settings or sensitive data securely. The DS28E04S-100 is ideal for various applications, including industrial, automotive, and consumer electronics, where secure data management is critical. Its compact design and low power consumption make it suitable for battery-operated devices as well.

Features

The DS28E04S-100 is a single-chip, secure memory device from Maxim Integrated, featuring 4Kb of EEPROM with a 1-Wire interface. Key features include:
1. Secure Authentication: Provides strong authentication capabilities via public key cryptography.
2. Memory: 4Kb of EEPROM organized as 256 pages of 16 bytes each, allowing for data storage.
3. Flexible Interface: Communicates using a simple 1-Wire protocol which requires only one data line and ground.
4. Unique 64-bit Serial Number: Each device has a factory-programmed unique serial number for identification.
5. Tamper Resistance: Enhanced security features to protect against unauthorized access and tampering.
6. Low Power Consumption: Operates on a low supply voltage and draws minimal current, suitable for battery-powered applications.
7. Wide Operating Temperature: Supports a broad temperature range, making it suitable for various environments.
This device is ideal for applications in security, asset tracking, and IoT devices where secure data storage is crucial.

Package

The DS28E04S-100 is packaged in a 6-pin TSOC (Thin Small Outline Chip) package, designed for space-constrained applications while providing reliable performance.

Pinout

The DS28E04S-100 is a 1-Wire® EEPROM device that features a total of 8 pins. The pin configuration and their functions are as follows:
1. VDD: Power supply pin (3V to 5.5V).
2. GND: Ground reference.
3. DQ: 1-Wire data line for communication.
4. NC: No connection (not used).
5. DIO: Data input/output for memory operations.
6. RST: Reset pin for device initialization.
7. VSS: Secondary ground reference.
8. T1: Temperature measurement pin (if applicable).
The primary function of the DS28E04S-100 is to store and retrieve data using the 1-Wire communication protocol, providing a reliable and simple interface for various applications, such as electronic identification and memory storage.

Manufacturer

The manufacturer of the DS28E04S-100 is Maxim Integrated, which is now part of Analog Devices, Inc. (ADI). Maxim Integrated specializes in designing and manufacturing analog and mixed-signal integrated circuits (ICs) used in a variety of applications, including automotive, industrial, consumer electronics, and communications. The company focuses on providing innovative solutions that enhance performance and efficiency in electronic devices. Their products include sensors, power management ICs, interface devices, and security solutions, making them a key player in the semiconductor industry.

Application

The DS28E04S-100 is a secure, single-chip device used in various applications such as electronic product authentication, secure storage for sensitive data, and access control systems. It is commonly utilized in consumer electronics, industrial equipment, medical devices, and IoT applications to provide secure key storage, cryptographic functions, and device identity verification, ensuring protection against counterfeiting and unauthorized access.

Equivalent

The DS28E04S-100 is a 1-Wire EEPROM from Maxim Integrated (now part of Analog Devices). Equivalent products include the Microchip 24AA02E48 and 24AA04E48, which offer similar EEPROM functionality. Other alternatives may include devices from NXP or STMicroelectronics that provide I2C or similar EEPROM capabilities, but ensure compatibility with your specific application needs, such as memory size and communication protocol. Always check the datasheets for detailed specifications.