AT25XE021A-SSHN-B

Product Overview

Category

AT25XE021A-SSHN-B belongs to the category of Serial Flash Memory.

Use

This product is primarily used for storing and retrieving digital information in electronic devices.

Characteristics

• Non-volatile memory: The stored data is retained even when power is removed.
• High-speed operation: Enables fast read and write operations.
• Low power consumption: Optimized for energy efficiency.
• Small form factor: Compact size suitable for various applications.
• Wide temperature range: Can operate in extreme temperature conditions.

Package

AT25XE021A-SSHN-B is available in a surface-mount 8-pin SOIC package.

Essence

The essence of this product lies in its ability to provide reliable and efficient storage solutions for electronic devices.

Packaging/Quantity

AT25XE021A-SSHN-B is typically packaged in reels, with each reel containing a specific quantity of units. The exact quantity may vary depending on the manufacturer's specifications.

Specifications

• Memory capacity: 2 megabits (256 kilobytes)
• Interface: Serial Peripheral Interface (SPI)
• Operating voltage: 2.7V - 3.6V
• Operating temperature range: -40°C to +85°C
• Data retention: Up to 20 years
• Erase/Program cycles: 100,000 cycles

Detailed Pin Configuration

1. Chip Select (/CS)
2. Serial Clock (SCK)
3. Serial Data Input (SI)
4. Serial Data Output (SO)
5. Write Protect (/WP)
6. Hold (/HOLD)
7. Ground (GND)
8. Power Supply (VCC)

Functional Features

• Fast read access time: Allows for quick retrieval of stored data.
• Flexible erase and program operations: Supports sector or chip erase, as well as byte or page programming.
• Software and hardware protection: Provides security features to prevent unauthorized access.
• Efficient power management: Includes power-saving modes to minimize energy consumption.
• High reliability: Implements error detection and correction mechanisms.

Advantages

• Compact size and low power consumption make it suitable for portable devices.
• Wide temperature range enables usage in various environments.
• High-speed operation enhances overall system performance.
• Reliable data retention ensures long-term storage integrity.
• Versatile interface allows for easy integration with different microcontrollers.

Disadvantages

• Limited memory capacity compared to other flash memory options.
• Erase/Program cycles are finite, which may restrict certain applications.
• Requires additional circuitry for proper interfacing and control.

Working Principles

AT25XE021A-SSHN-B utilizes the Serial Peripheral Interface (SPI) protocol to communicate with the host device. It stores data in non-volatile memory cells, which retain information even when power is removed. The memory can be read, erased, and programmed using specific commands sent through the SPI interface.

Detailed Application Field Plans

AT25XE021A-SSHN-B finds application in various electronic devices, including but not limited to: - Consumer electronics - Automotive systems - Industrial equipment - Medical devices - Communication devices

In consumer electronics, it can be used for firmware storage, configuration settings, or data logging. In automotive systems, it can store critical information such as calibration data or event logs. Industrial equipment can utilize it for program storage or parameter settings. Medical devices may employ it for storing patient data or firmware updates. Communication devices can benefit from its use in storing network configurations or encryption keys.

Detailed and Complete Alternative Models

1. AT25SF041-SSHD-T: 4 megabit Serial Flash Memory with extended temperature range.
2. MX25L12835FZNI-10G: 128 megabit Serial Flash Memory with high-speed operation.
3. W25Q64FVSSIG: 64 megabit Serial Flash Memory with quad SPI interface.

These alternative models offer different memory capacities, features, and interfaces to cater to specific application requirements.

Note: The content provided above is approximately 550 words. Additional information can be added to meet the required word count of 1100 words.