AT25XE021A-MAHN-T

Product Overview

Category

AT25XE021A-MAHN-T belongs to the category of non-volatile memory devices.

Use

This product is primarily used for storing and retrieving data in electronic systems.

Characteristics

• Non-volatile: The AT25XE021A-MAHN-T retains data even when power is removed.
• High capacity: It offers a storage capacity of 2 megabits (256 kilobytes).
• Fast access time: The device provides quick access to stored data.
• Low power consumption: It operates efficiently, consuming minimal power.
• Wide operating voltage range: The AT25XE021A-MAHN-T can function within a broad voltage range.
• Durable: It is designed to withstand harsh environmental conditions.

Package

The AT25XE021A-MAHN-T is available in a compact surface-mount package.

Essence

This product is an essential component for data storage and retrieval in various electronic applications.

Packaging/Quantity

The AT25XE021A-MAHN-T is typically packaged in reels containing a specific quantity of devices, such as 2500 units per reel.

Specifications

• Memory Type: Serial Flash
• Memory Size: 2 Megabits (256 Kilobytes)
• Interface: SPI (Serial Peripheral Interface)
• Operating Voltage Range: 1.7V to 3.6V
• Access Time: 70 ns (Max)
• Operating Temperature Range: -40°C to +85°C
• Package Type: 8-pin SOIC (Small Outline Integrated Circuit)

Detailed Pin Configuration

The AT25XE021A-MAHN-T has the following 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. VCC (Power Supply)
8. Ground (GND)

Functional Features

• High-speed data transfer: The AT25XE021A-MAHN-T supports fast serial communication, enabling quick data transfer.
• Flexible write protection: It offers write protection options to prevent accidental modification or erasure of stored data.
• Sector erase capability: The device allows for erasing specific sectors, enhancing flexibility in data management.
• Software and hardware protection mechanisms: The AT25XE021A-MAHN-T incorporates various security features to protect stored data from unauthorized access.

Advantages and Disadvantages

Advantages

• Non-volatile memory ensures data retention even during power loss.
• Compact package size facilitates integration into space-constrained designs.
• Wide operating voltage range enables compatibility with different systems.
• Low power consumption prolongs battery life in portable devices.
• Fast access time enhances overall system performance.

Disadvantages

• Limited storage capacity compared to higher-density memory devices.
• Relatively slower data transfer rate compared to some other memory technologies.

Working Principles

The AT25XE021A-MAHN-T utilizes the Serial Peripheral Interface (SPI) protocol to communicate with the host system. It stores data in non-volatile memory cells, which retain information even when power is removed. The device employs a combination of electronic circuits and firmware algorithms to enable efficient read and write operations.

Detailed Application Field Plans

The AT25XE021A-MAHN-T finds applications in various fields, including but not limited to: 1. Consumer electronics: Used in smart TVs, set-top boxes, and gaming consoles for data storage. 2. Automotive: Employed in car infotainment systems and instrument clusters for storing configuration data. 3. Industrial automation: Utilized in programmable logic controllers (PLCs) and industrial control systems for data storage and firmware updates. 4. Medical devices: Integrated into medical equipment for storing patient data and device configurations. 5. Internet of Things (IoT): Used in IoT devices for data logging and firmware upgrades.

Detailed and Complete Alternative Models

1. AT25SF021-SSHN-T: Similar to the AT25XE021A-MAHN-T, this model offers the same capacity and interface but features a different package type.
2. AT25DF021A-SHN-B: This alternative model provides the same capacity and interface as the AT25XE021A-MAHN-T but includes additional security features.
3. AT25SL021-SSHN-T: Another alternative with similar specifications, this model offers a smaller package size and lower power consumption.

In conclusion, the AT25XE021A-MAHN-T is a non-volatile memory device that provides high-capacity data storage with fast access times. Its compact package, wide operating voltage range, and low power consumption make it suitable for various applications. While it has limitations in terms of storage capacity and data transfer rate, its advantages outweigh these disadvantages. The device operates