AT25XE021A-XMHN-B

Product Overview

Category

The AT25XE021A-XMHN-B belongs to the category of serial NOR Flash memory.

Use

It is commonly used for storing program code and data in various electronic devices such as microcontrollers, IoT devices, and consumer electronics.

Characteristics

• High-speed read operations
• Low power consumption
• Wide operating voltage range
• Small package size

Package

The AT25XE021A-XMHN-B is available in a small form factor package suitable for space-constrained applications.

Essence

The essence of this product lies in its reliable and fast non-volatile memory storage capabilities.

Packaging/Quantity

It is typically supplied in tape and reel packaging with a quantity of 2500 units per reel.

Specifications

• Memory Size: 2Mb (256K x 8)
• Interface: SPI
• Operating Voltage: 1.7V to 3.6V
• Maximum Clock Frequency: 104MHz
• Operating Temperature Range: -40°C to 85°C

Detailed Pin Configuration

The AT25XE021A-XMHN-B has a standard 8-pin SOIC package with the following pin configuration: 1. Chip Select (/CS) 2. Serial Data Input/Output (SI/SO) 3. Serial Clock (SCK) 4. Ground (GND) 5. No Connection (NC) 6. Write Protect (/WP) 7. Hold (/HOLD) 8. Power Supply (VCC)

Functional Features

• Sector erase and program capability
• Software and hardware protection of memory
• Deep power-down mode for ultra-low power consumption
• Flexible architecture supporting multiple block sizes

Advantages and Disadvantages

Advantages

• Fast read operations enable quick access to stored data
• Low power consumption prolongs battery life in portable devices
• Wide operating voltage range enhances compatibility with different systems

Disadvantages

• Limited storage capacity compared to other types of memory
• Relatively slower write speeds compared to other memory technologies

Working Principles

The AT25XE021A-XMHN-B operates on the principles of non-volatile memory storage using floating gate technology. When data is written to the memory, charges are trapped in the floating gate, preserving the information even when power is removed.

Detailed Application Field Plans

The AT25XE021A-XMHN-B is well-suited for use in the following applications: - Microcontroller program storage - Firmware storage in IoT devices - Configuration storage in consumer electronics

Detailed and Complete Alternative Models

Some alternative models to the AT25XE021A-XMHN-B include: - W25Q16JVSSIM - S25FL116K0XMFI011

In conclusion, the AT25XE021A-XMHN-B offers a reliable and efficient solution for non-volatile memory storage in a wide range of electronic devices, despite its limitations in capacity and write speed.

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