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AT45DB021E-SHNHC-T
Introduction
The AT45DB021E-SHNHC-T belongs to the category of serial interface DataFlash® devices and is commonly used for data storage in various electronic applications. This entry provides an overview of its basic information, specifications, detailed pin configuration, functional features, advantages and disadvantages, working principles, application field plans, and alternative models.
Basic Information Overview
- Category: Serial Interface DataFlash® Device
- Use: Data Storage
- Characteristics: High-speed, Low-power, Serial Interface
- Package: 8-lead SOIC, 8-pad UDFN
- Essence: Non-volatile memory
- Packaging/Quantity: Tape & Reel (3000 units per reel)
Specifications
- Memory Size: 2 Megabits
- Interface: SPI
- Operating Voltage: 2.7V - 3.6V
- Operating Temperature: -40°C to +85°C
- Data Retention: 20 years
- Page Size: 256 bytes
- Block Size: 264 pages
Detailed Pin Configuration
The AT45DB021E-SHNHC-T has a standard 8-pin configuration with pins for power supply, SPI interface, and control signals.
Functional Features
- Serial Interface: Supports SPI for high-speed data transfer.
- Low Power Consumption: Ideal for battery-powered applications.
- Flexible Sector Architecture: Enables efficient data storage and retrieval.
- Security Features: Includes hardware and software protection of stored data.
Advantages and Disadvantages
- Advantages:
- High-speed data transfer
- Low power consumption
- Flexible sector architecture
- Security features
- Disadvantages:
- Limited memory size compared to other options
- Higher cost per bit of storage
Working Principles
The AT45DB021E-SHNHC-T utilizes a combination of flash memory and SPI interface to store and retrieve data. When connected to a microcontroller or host system, it communicates through the SPI interface to read from or write to its non-volatile memory.
Detailed Application Field Plans
- Embedded Systems: Used for program storage in microcontroller-based systems.
- Consumer Electronics: Employed in digital cameras, portable media players, and gaming devices for data storage.
- Industrial Automation: Utilized for storing configuration data and event logs in industrial control systems.
Detailed and Complete Alternative Models
- AT25DF021A: Offers similar functionality with a smaller memory size.
- W25Q16JV: Provides higher memory capacity with comparable performance.
In conclusion, the AT45DB021E-SHNHC-T is a versatile serial interface DataFlash® device suitable for various data storage applications, offering high-speed operation, low power consumption, and flexible sector architecture. Its working principles, advantages, and detailed application field plans demonstrate its significance in the realm of electronic devices.
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Liste 10 perguntas e respostas comuns relacionadas à aplicação de AT45DB021E-SHNHC-T em soluções técnicas
What is the AT45DB021E-SHNHC-T?
- The AT45DB021E-SHNHC-T is a 2-megabit serial interface flash memory, commonly used in embedded systems for data storage.
What are the key features of AT45DB021E-SHNHC-T?
- The key features include a flexible erase architecture, low-power consumption, high-speed clock frequency, and a wide voltage range for compatibility with various systems.
How is the AT45DB021E-SHNHC-T typically interfaced with microcontrollers?
- It is typically interfaced using SPI (Serial Peripheral Interface) for communication with microcontrollers.
What are some common applications of AT45DB021E-SHNHC-T in technical solutions?
- Common applications include data logging, firmware storage, configuration storage, and code shadowing in various embedded systems.
What are the operating voltage and temperature range of AT45DB021E-SHNHC-T?
- The operating voltage range is typically from 2.7V to 3.6V, and the industrial temperature range is from -40°C to 85°C.
How does AT45DB021E-SHNHC-T handle data integrity and reliability?
- It incorporates advanced features such as hardware data protection, flexible erase and program capability, and a high endurance cycling performance to ensure data integrity and reliability.
Can AT45DB021E-SHNHC-T be used in battery-powered devices?
- Yes, it is suitable for use in battery-powered devices due to its low-power consumption characteristics.
What are the typical read and write speeds of AT45DB021E-SHNHC-T?
- The typical read speed is around 66 MHz, and the typical write speed is around 33 MHz.
Are there any specific design considerations when integrating AT45DB021E-SHNHC-T into a technical solution?
- Designers should consider proper decoupling, signal integrity, and layout guidelines to ensure optimal performance and reliability.
Where can I find detailed technical documentation and support for AT45DB021E-SHNHC-T?
- Detailed technical documentation and support can be found on the manufacturer's website or through their customer support channels.