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DS28E81P+ - English Editing Encyclopedia Entry
Product Overview
Category
The DS28E81P+ belongs to the category of electronic components.
Use
It is primarily used for secure authentication and communication purposes in various electronic systems.
Characteristics
- Secure authentication and communication capabilities
- Compact package design
- High reliability and durability
- Wide operating temperature range
- Low power consumption
Package
The DS28E81P+ is available in a small form factor package, suitable for integration into different electronic devices.
Essence
The essence of DS28E81P+ lies in its ability to provide secure authentication and reliable communication between electronic systems.
Packaging/Quantity
The DS28E81P+ is typically packaged in reels or trays, with varying quantities depending on customer requirements.
Specifications
- Operating Voltage: 2.8V to 5.5V
- Communication Interface: I2C
- Operating Temperature Range: -40°C to +85°C
- Authentication Methods: SHA-256, ECDSA
- Memory Capacity: 1Kbit EEPROM
- Package Type: 8-pin SOIC
Detailed Pin Configuration
The DS28E81P+ features the following pin configuration:
| Pin Number | Pin Name | Description | |------------|----------|-------------| | 1 | VDD | Power Supply | | 2 | GND | Ground | | 3 | SDA | I2C Serial Data Line | | 4 | SCL | I2C Serial Clock Line | | 5 | WP | Write Protect | | 6 | RSTZ | Reset Input | | 7 | VPU | Pull-Up Resistor | | 8 | NC | No Connection |
Functional Features
- Secure authentication using SHA-256 and ECDSA algorithms
- Reliable communication through the I2C interface
- Write protection feature to prevent unauthorized modifications
- Reset input for system initialization
- Built-in pull-up resistor for simplified circuit design
Advantages and Disadvantages
Advantages
- High level of security for authentication purposes
- Compact package size allows for easy integration into various electronic systems
- Wide operating temperature range enables usage in extreme environments
- Low power consumption for energy-efficient operation
Disadvantages
- Limited memory capacity (1Kbit EEPROM)
- Requires I2C interface compatibility in the host system
Working Principles
The DS28E81P+ utilizes advanced cryptographic algorithms, such as SHA-256 and ECDSA, to ensure secure authentication between electronic systems. It communicates with the host system via the I2C interface, allowing for reliable data transfer. The write protect feature prevents unauthorized modifications to the stored data. The reset input initializes the device when necessary.
Detailed Application Field Plans
The DS28E81P+ finds applications in various fields, including but not limited to: - IoT devices - Automotive electronics - Medical equipment - Industrial control systems - Consumer electronics
Detailed and Complete Alternative Models
Some alternative models that offer similar functionality to the DS28E81P+ include: - DS28E80P+ - DS28E83P+ - DS28E84P+
These models provide comparable secure authentication and communication features, with slight variations in specifications and pin configurations.
In conclusion, the DS28E81P+ is a compact and reliable electronic component that offers secure authentication and communication capabilities. Its wide range of applications and compatibility with alternative models make it a versatile choice for various electronic systems.
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Texniki həllərdə DS28E81P+ tətbiqi ilə bağlı 10 ümumi sual və cavabı sadalayın
Sure! Here are 10 common questions and answers related to the application of DS28E81P+ in technical solutions:
Q: What is DS28E81P+? A: DS28E81P+ is a 1-Wire-to-I2C/SPI bridge device that enables communication between I2C or SPI master devices and 1-Wire slave devices.
Q: What are some typical applications of DS28E81P+? A: DS28E81P+ is commonly used in applications such as industrial automation, sensor networks, IoT devices, and battery management systems.
Q: How does DS28E81P+ enable communication between I2C/SPI and 1-Wire devices? A: DS28E81P+ acts as a bridge by converting the commands and data from the I2C or SPI bus to the 1-Wire protocol, allowing seamless communication with 1-Wire slave devices.
Q: Can DS28E81P+ be used with both I2C and SPI master devices? A: Yes, DS28E81P+ supports both I2C and SPI interfaces, making it compatible with a wide range of master devices.
Q: What is the maximum operating voltage for DS28E81P+? A: The maximum operating voltage for DS28E81P+ is 5.5V.
Q: Does DS28E81P+ support power delivery to connected 1-Wire devices? A: Yes, DS28E81P+ can provide power to connected 1-Wire devices through its integrated switch mode regulator.
Q: Can DS28E81P+ operate in parasitic power mode? A: No, DS28E81P+ requires an external power supply and cannot operate in parasitic power mode.
Q: What is the maximum data rate supported by DS28E81P+? A: DS28E81P+ supports a maximum data rate of 100kbps for I2C and 10Mbps for SPI.
Q: Does DS28E81P+ have any built-in security features? A: Yes, DS28E81P+ includes a unique 64-bit ROM ID and supports cryptographic functions like SHA-3 and ECDSA to ensure secure communication.
Q: Is DS28E81P+ available in different package options? A: Yes, DS28E81P+ is available in a compact 8-pin SOIC package, making it suitable for space-constrained applications.
Please note that these answers are general and may vary depending on the specific implementation and requirements of your technical solution.