AT45DB021E-MHN-T

Product Overview

Category

AT45DB021E-MHN-T belongs to the category of flash memory devices.

Use

It is primarily used for data storage and retrieval in various electronic devices.

Characteristics

• Non-volatile memory
• High-speed data transfer
• Low power consumption
• Small form factor
• Reliable and durable

Package

AT45DB021E-MHN-T is available in a surface mount 8-pin SOIC package.

Essence

The essence of AT45DB021E-MHN-T lies in its ability to provide reliable and high-speed data storage in a compact form factor.

Packaging/Quantity

AT45DB021E-MHN-T is typically packaged in reels, with each reel containing a specific quantity of devices. 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 to 3.6V
• Operating temperature range: -40°C to +85°C
• Data retention: Up to 20 years
• Erase/Write cycles: 10,000 minimum

Detailed Pin Configuration

1. CS (Chip Select): Used to enable or disable the device.
2. SCK (Serial Clock): Provides the clock signal for data transfer.
3. SI (Serial Input): Receives data from the microcontroller.
4. SO (Serial Output): Transmits data to the microcontroller.
5. WP (Write Protect): Enables or disables write protection.
6. VCC (Power Supply): Positive power supply terminal.
7. GND (Ground): Ground reference terminal.
8. HOLD: Suspends ongoing operations temporarily.

Functional Features

• Page program operation for fast data writes
• Continuous read mode for efficient data retrieval
• Sector erase capability for flexible memory management
• Software and hardware protection mechanisms
• Deep power-down mode for ultra-low power consumption

Advantages and Disadvantages

Advantages

• High-speed data transfer allows for quick access to stored information.
• Low power consumption ensures efficient energy usage.
• Small form factor enables integration into compact electronic devices.
• Reliable and durable, ensuring data integrity over extended periods.

Disadvantages

• Limited storage capacity compared to higher-capacity flash memory devices.
• Limited erase/write cycles may restrict certain applications with heavy write operations.

Working Principles

AT45DB021E-MHN-T utilizes the Serial Peripheral Interface (SPI) to communicate with a microcontroller. It stores data in non-volatile memory cells, which retain information even when power is disconnected. The device employs various algorithms and error correction techniques to ensure data integrity and reliability.

Detailed Application Field Plans

AT45DB021E-MHN-T finds application in various fields, including: 1. Consumer electronics: Used in smartphones, tablets, and digital cameras for data storage. 2. Automotive: Employed in car infotainment systems and navigation devices. 3. Industrial automation: Utilized in control systems and data loggers. 4. Medical devices: Integrated into medical equipment for data storage and retrieval. 5. Internet of Things (IoT): Incorporated into IoT devices for local data storage.

Detailed and Complete Alternative Models

1. AT45DB041E-MHN-T: Offers double the memory capacity of AT45DB021E-MHN-T.
2. AT45DB081E-MHN-T: Provides four times the memory capacity of AT45DB021E-MHN-T.
3. AT45DB161E-MHN-T: Offers eight times the memory capacity of AT45DB021E-MHN-T.
4. AT45DB321E-MHN-T: Provides sixteen times the memory capacity of AT45DB021E-MHN-T.

These alternative models offer increased storage capacity while maintaining similar characteristics and functionality to AT45DB021E-MHN-T.

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