AT25XE021A-SSHN-T

Introduction

The AT25XE021A-SSHN-T is a serial NOR Flash memory product designed for various electronic applications. This entry provides an overview of the product, including its category, use, characteristics, package, specifications, pin configuration, functional features, advantages and disadvantages, working principles, application field plans, and alternative models.

Product Overview

• Category: Serial NOR Flash Memory
• Use: Storage of program code and data in electronic devices
• Characteristics: High-speed read operations, low power consumption, small form factor
• Package: 8-lead SOIC, 150-mil body width
• Essence: Non-volatile memory for storing critical data in embedded systems
• Packaging/Quantity: Tape & Reel (3000 units per reel)

Specifications

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

Detailed Pin Configuration

The AT25XE021A-SSHN-T has an 8-pin configuration as follows: 1. Chip Select (/CS) 2. Serial Data Input/Output (SI/SO) 3. Serial Clock (SCK) 4. Ground (GND) 5. Write Protect (/WP) 6. Hold (/HOLD) 7. Power Supply (VCC) 8. Not Connected (NC)

Functional Features

• High-Speed Read Operations: Enables fast access to stored data
• Low Power Consumption: Ideal for battery-powered devices
• Flexible Interface: SPI interface allows easy integration with microcontrollers
• Security Features: Hardware and software protection of stored data

Advantages and Disadvantages

Advantages

• Compact form factor
• Low power consumption
• High-speed read operations
• Enhanced security features

Disadvantages

• Limited storage capacity compared to other memory types
• Relatively higher cost per bit

Working Principles

The AT25XE021A-SSHN-T operates by using the SPI interface to communicate with the host microcontroller. When data needs to be stored or retrieved, the microcontroller sends commands and addresses to the memory, which then responds accordingly. The non-volatile nature of the memory ensures that data is retained even when power is removed.

Detailed Application Field Plans

The AT25XE021A-SSHN-T is suitable for a wide range of applications, including but not limited to: - Consumer electronics - Industrial automation - Automotive systems - Medical devices - Communication equipment

Detailed and Complete Alternative Models

Some alternative models to the AT25XE021A-SSHN-T include: - W25Q80BVSSIG - S25FL116K0XMFI011

In summary, the AT25XE021A-SSHN-T is a versatile serial NOR Flash memory product with high-speed read operations, low power consumption, and a compact form factor. Its flexible interface and security features make it suitable for various electronic applications.

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