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DS1990A-F5+

Name: DS1990A-F5+
Rating: 4.7 (12 reviews)

Security ICs / Authentication ICs

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概述

Description

The DS1990A-F5+ is a digital thermometer and unique identification device from Maxim Integrated, part of the iButton family. It features a one-wire interface for communication, allowing multiple devices to be connected to a single data line. This device is primarily used for temperature logging and identification purposes in various applications, including asset tracking, environmental monitoring, and data collection.
The DS1990A-F5+ contains a read-only memory (ROM) section with a unique 64-bit serial number, enabling each device to be individually recognized within a system. It operates over a wide temperature range and is powered by the data line during communication, minimizing the need for external power sources.
The device is packaged in a compact, durable form factor resembling a coin, which can be easily attached to objects or embedded in systems. The DS1990A-F5+ is ideal for applications requiring reliable identification and temperature monitoring with minimal wiring and setup complexity.

Features

The DS1990A-F5+ is a digital thermometer and real-time clock (RTC) housed in a compact 1-Wire® package. Key features include:
1. Unique Identification: Each DS1990A-F5+ has a unique 64-bit serial number for easy identification in multi-device applications.
2. 1-Wire Interface: It utilizes a 1-Wire communication protocol, allowing multiple devices to be connected to a single data line.
3. Read/Write Memory: It includes 128 bits of read/write EEPROM memory for storing data.
4. Low Power Consumption: Designed for low power use, making it suitable for battery-operated devices.
5. Wide Temperature Range: It operates in temperatures from -40°C to +85°C.
6. Compact Form Factor: Available in a small, robust package that can withstand harsh environmental conditions.
7. Durable: Encased in an epoxy resin for durability and reliability in various applications.
This device is commonly used in applications requiring unique identification, temperature monitoring, and secure data storage.

Package

The DS1990A-F5+ is packaged in a small, cylindrical, stainless steel can with a 1-Wire interface. It features a flat top for easy integration into applications and is designed for durability and environmental protection.

Pinout

The DS1990A-F5+ is a 1-Wire EEPROM device from Maxim Integrated, featuring a total of 3 pins. The pinout and functions are as follows:
1. VDD: This pin is used for the power supply to the device. It typically operates at a voltage of 2.8V to 5.25V.

2. GND: This pin is the ground reference for the device.
3. 1-Wire: This pin serves a dual purpose for communication and power. It is used for the 1-Wire interface, allowing data transmission and receiving over a single line, which enables communication with other 1-Wire devices.
The DS1990A-F5+ is primarily used for applications requiring unique identification, such as in asset tracking and product authentication, thanks to its unique 64-bit serial number.

Manufacturer

The DS1990A-F5+ is manufactured by Maxim Integrated, which is a company known for designing and producing analog and mixed-signal integrated circuits. Maxim Integrated specializes in various applications, including automotive, industrial, medical, and consumer electronics. The DS1990A-F5+ is a silicon serial number (SSN) device that provides a unique identity code for various identification and security applications, often used in asset tracking and electronic identification systems. In 2021, Maxim Integrated was acquired by Analog Devices, Inc., further expanding their portfolio in the analog and digital signal processing markets.

Application

The DS1990A-F5+ is a low-cost, one-wire EEPROM device primarily used for applications requiring unique identification and data storage. Common application areas include asset tracking, access control systems, electronic keys, and inventory management. It is also utilized in industrial automation, medical devices, and consumer electronics where secure identification and data retrieval are essential.

Equivalent

Equivalent products to the DS1990A-F5+ chip include the DS1990A-F5, DS1990A-F3, and DS1990A-F1, which are all part of the same family. Other compatible alternatives may include similar one-wire devices from other manufacturers, like the Maxim Integrated DS2431 or DS2405, though specific compatibility should be verified based on application requirements.