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AT25XE021A-MHN-Y
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AT25XE021A-MHN-Y

Product Overview

Category

The AT25XE021A-MHN-Y 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
  • Reliable data retention

Package

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

Essence

This product provides non-volatile storage with fast access times, making it ideal for embedded systems and other applications requiring reliable data storage.

Packaging/Quantity

The AT25XE021A-MHN-Y is typically supplied in tape and reel packaging with a specified quantity per reel.

Specifications

  • Memory Size: 2 megabits (256K x 8)
  • Interface: SPI (Serial Peripheral Interface)
  • Operating Voltage: 1.7V to 3.6V
  • Maximum Clock Frequency: 104 MHz
  • Operating Temperature Range: -40°C to 85°C
  • Data Retention: 20 years
  • Erase/Program Cycle Endurance: 100,000 cycles

Detailed Pin Configuration

The AT25XE021A-MHN-Y has a standard 8-pin SOIC (Small Outline Integrated Circuit) package with the following pinout: 1. Chip Select (/CS) 2. Serial Clock (SCK) 3. Serial Data Input/Output (SI/SO) 4. Ground (GND) 5. No Connect (NC) 6. Supply Voltage (VCC) 7. Write Protect (/WP) 8. Hold (/HOLD)

Functional Features

  • Fast Read Access Time
  • Flexible Erase and Program Options
  • Hardware and Software Protection Features
  • Low Power Consumption
  • Deep Power-down Mode for Ultra-low Standby Current

Advantages and Disadvantages

Advantages

  • High-speed read operations enhance system performance
  • Low power consumption prolongs battery life in portable devices
  • Flexible erase and program options provide versatility in data management

Disadvantages

  • Limited storage capacity compared to larger NAND flash memory
  • Higher cost per bit compared to traditional hard disk drives

Working Principles

The AT25XE021A-MHN-Y operates by using the SPI interface to communicate with the host microcontroller or system. It stores data in non-volatile memory cells, allowing for reliable data retention even when power is removed.

Detailed Application Field Plans

The AT25XE021A-MHN-Y is well-suited for a wide range of applications, including: - Firmware storage in microcontroller-based systems - Configuration storage in IoT devices - Parameter storage in industrial control systems - Boot code storage in consumer electronics

Detailed and Complete Alternative Models

Some alternative models to the AT25XE021A-MHN-Y include: - W25Q16JVSSIM (Winbond) - S25FL116K0XMFI011 (Cypress) - MX25L1606EM2I-12G (Macronix)

In conclusion, the AT25XE021A-MHN-Y offers a compact and efficient solution for non-volatile memory storage in various electronic applications, providing high-speed access, low power consumption, and reliable data retention.

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技術ソリューションにおける AT25XE021A-MHN-Y の適用に関連する 10 件の一般的な質問と回答をリストします。

  1. What is the AT25XE021A-MHN-Y?

    • The AT25XE021A-MHN-Y is a serial flash memory device with 2 megabits of storage capacity, commonly used in embedded systems and IoT devices.

  2. What are the key features of the AT25XE021A-MHN-Y?

    • The key features include a high-speed SPI interface, low power consumption, small form factor, and wide operating voltage range.

  3. What are some typical applications for the AT25XE021A-MHN-Y?

    • Typical applications include firmware storage, boot code storage, parameter storage, and data logging in various electronic devices.

  4. What is the maximum operating frequency of the AT25XE021A-MHN-Y?

    • The maximum operating frequency is 104 MHz, allowing for fast data transfer in high-performance applications.

  5. What is the operating voltage range of the AT25XE021A-MHN-Y?

    • The operating voltage range is from 1.65V to 3.6V, making it suitable for a wide range of battery-powered and low-power devices.

  6. Does the AT25XE021A-MHN-Y support software and hardware protection of stored data?

    • Yes, it supports both software and hardware protection of stored data, providing security for critical information.

  7. Can the AT25XE021A-MHN-Y withstand industrial temperature ranges?

    • Yes, it is designed to operate reliably within industrial temperature ranges, making it suitable for harsh environments.

  8. What is the typical power consumption of the AT25XE021A-MHN-Y during active operation?

    • The typical power consumption during active operation is low, making it ideal for energy-efficient designs.

  9. Is the AT25XE021A-MHN-Y compatible with standard SPI interfaces?

    • Yes, it is fully compatible with standard SPI interfaces, simplifying integration into existing designs.

  10. Are there any known limitations or considerations when using the AT25XE021A-MHN-Y in technical solutions?

    • Some considerations include managing write endurance, ensuring proper signal integrity in high-frequency applications, and adhering to recommended operating conditions for optimal performance and reliability.