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DS2431X

Name: DS2431X
Rating: 4.7 (12 reviews)

제조업체
Mfr.부분 #DS2431X
패키지 UCSP-6
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사양

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

개요

Description

The DS2431X is a secure, single-chip EEPROM device produced by Maxim Integrated (now part of Analog Devices). It is part of the 1-Wire family, allowing for simple, low-cost, and low-power communication using just one wire for data transfer and power. The DS2431X is designed for applications that require a unique, unalterable identification number, making it suitable for asset tracking, access control, and product authentication.
Key features include a 1-Kbit EEPROM memory, a unique 64-bit ROM for device identification, and a secure data storage mechanism. The device supports various communication speeds and protocols and can operate over a wide voltage range. Its low power consumption enables battery-powered applications.
The DS2431X enhances security through features like password protection and the ability to store sensitive data securely. Overall, it provides a versatile and reliable solution for embedded systems needing a robust identification and data storage solution.

Features

The DS2431X is a 1-Wire EEPROM memory device featuring a unique 64-bit serial number, making it suitable for single-device applications. Key features include:
1. Memory Capacity: Offers 1 Kbit of EEPROM storage, organized in 128 bytes.
2. 1-Wire Interface: Simplifies connections and allows for multiple devices on a single wire.
3. Data Integrity: Utilizes a built-in CRC (Cyclic Redundancy Check) for error detection during data transmission.
4. Programming: Supports byte-level write operations and can withstand high-temperature environments.
5. Low Power Consumption: Operates in a low-power state, making it ideal for battery-powered applications.
6. Temperature Range: Suitable for use in a wide temperature range, typically -40°C to +85°C.
7. Security Features: Supports write protection and password protection for data security.
Overall, the DS2431X is designed for applications requiring reliable data storage in compact and portable formats.

Package

The DS2431X is packaged in a 6-pin TSOC (Thin Small Outline Package) or a 3-pin SMD (Surface Mount Device) form factor. It is designed for compact applications, providing ease of integration into various electronic systems.

Pinout

The DS2431X is a 1-Wire EEPROM memory device with a pin count of 8. It features a single data pin and uses a unique 1-Wire protocol for communication, allowing multiple devices to be connected on the same bus.
Pin Functions:
1. GND (Ground): Connects to the system ground.
2. DQ (Data): The 1-Wire data line for communication and power.
3. VDD (Power): Provides power to the device when the bus is active.
4. NC (No Connect): Not used; should be left unconnected.
5. VSS (Supply Voltage): Used internally, typically connected to GND.
6. R1 (Read Enable): Configures read/write operations.
7. R2 (Write Enable): Configures read/write operations.
8. EEC (EEPROM Control): Manages EEPROM functions.
This device is typically used for applications requiring secure memory storage, such as in identification systems and configuration settings.

Manufacturer

The DS2431X is manufactured by Maxim Integrated, which is now part of Analog Devices, Inc. Maxim Integrated is a semiconductor company that specializes in designing and manufacturing integrated circuits, particularly for applications in analog and mixed-signal technology. Their products are widely used in various sectors, including automotive, industrial, telecommunications, and consumer electronics. The DS2431X is a one-wire memory device that is often utilized for data storage solutions in applications requiring unique identification and secure memory access.

Application

The DS2431X is primarily used in applications requiring unique identification and secure data storage. Key areas include RFID systems, electronic locking mechanisms, asset tracking, and inventory management. It is also utilized in smart meters, industrial automation, and authentication systems, where reliable identification and data integrity are essential. Its memory capabilities make it suitable for applications needing device configuration and parameter storage.

Equivalent

The DS2431X chip, a 1-Wire EEPROM from Maxim Integrated, has equivalent products including the DS2431 and DS2432. These chips also utilize 1-Wire communication and offer similar EEPROM functionality, but with variations in memory size and features. For specific applications, it's advisable to review datasheets for detailed specifications to ensure compatibility.