25AA020A-I/ST Product Overview

Introduction

The 25AA020A-I/ST is a serial EEPROM (Electrically Erasable Programmable Read-Only Memory) belonging to the category of non-volatile memory devices. This entry provides an overview of its basic information, specifications, pin configuration, functional features, advantages and disadvantages, working principles, application field plans, and alternative models.

Basic Information Overview

• Category: Non-volatile Memory Device
• Use: Data storage in embedded systems, consumer electronics, industrial applications, and automotive systems.
• Characteristics: Low power consumption, high reliability, small form factor, and compatibility with serial communication protocols.
• Package: Standard SOIC (Small Outline Integrated Circuit)
• Essence: Reliable data storage and retrieval in various electronic systems.
• Packaging/Quantity: Typically available in reels containing multiple units.

Specifications

• Memory Capacity: 2 Kbits (256 bytes)
• Interface: SPI (Serial Peripheral Interface)
• Operating Voltage: 1.8V to 5.5V
• Operating Temperature Range: -40°C to 85°C
• Write Endurance: 1,000,000 cycles
• Data Retention: 100 years

Detailed Pin Configuration

The 25AA020A-I/ST has a standard 8-pin SOIC package with the following pin configuration: 1. Chip Select (/CS) 2. Serial Clock (SCK) 3. Serial Data Input/Output (SI/SO) 4. Ground (GND) 5. Write Protect (/WP) 6. VCC (Power Supply) 7. Hold (/HOLD) 8. Not Connected (NC)

Functional Features

• Byte and Page Write Modes
• Sequential Read Operation
• Software and Hardware Write Protection
• Self-timed Write Cycle
• Unrestricted Read and Write Operations

Advantages and Disadvantages

Advantages

• Low Power Consumption
• High Reliability
• Compact Form Factor
• Compatibility with SPI Interface
• Long Data Retention Period

Disadvantages

• Limited Storage Capacity
• Slower Write Speed compared to some other memory technologies

Working Principles

The 25AA020A-I/ST operates based on the principles of EEPROM technology, allowing for electrically erasing and reprogramming of stored data. It utilizes the SPI interface for communication with the host system and offers reliable data storage and retrieval capabilities.

Detailed Application Field Plans

The 25AA020A-I/ST finds application in various fields including: - Embedded Systems - Consumer Electronics - Industrial Automation - Automotive Electronics

Detailed and Complete Alternative Models

Some alternative models to the 25AA020A-I/ST include: - 25LC020A - 25LC040A - 25AA040A - 25LC080B

In conclusion, the 25AA020A-I/ST serves as a reliable non-volatile memory solution for a wide range of electronic applications, offering low power consumption, high reliability, and compatibility with the SPI interface.

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