SST25VF020B-80-4I-SAE-T

Product Overview

Category

The SST25VF020B-80-4I-SAE-T belongs to the category of Serial Flash Memory.

Use

This product is primarily used for storing and retrieving digital information in electronic devices such as microcontrollers, embedded systems, and consumer electronics.

Characteristics

• High-speed data transfer: The SST25VF020B-80-4I-SAE-T offers fast read and write speeds, allowing for efficient data access.
• Large storage capacity: With a capacity of 2 megabits (256 kilobytes), this flash memory provides ample space for storing program code, configuration data, and other digital content.
• Low power consumption: The device is designed to operate with minimal power requirements, making it suitable for battery-powered applications.
• Reliable performance: The SST25VF020B-80-4I-SAE-T ensures data integrity through advanced error correction techniques and robust memory management algorithms.

Package

The SST25VF020B-80-4I-SAE-T is available in a small form factor package, which facilitates easy integration into various electronic systems. It is commonly packaged in a surface mount technology (SMT) package.

Essence

The essence of the SST25VF020B-80-4I-SAE-T lies in its ability to provide non-volatile storage capabilities, allowing for persistent data retention even when power is removed from the system.

Packaging/Quantity

This product is typically sold in reels or trays, depending on the manufacturer's packaging standards. The quantity per reel or tray may vary, but it is commonly available in quantities of hundreds or thousands.

Specifications

• Manufacturer: Microchip Technology Inc.
• Part Number: SST25VF020B-80-4I-SAE-T
• Memory Type: Serial Flash
• 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: Minimum 100 years
• Endurance: Minimum 100,000 write cycles

Detailed Pin Configuration

The SST25VF020B-80-4I-SAE-T has a standard pin configuration for SPI flash memories. The following table provides a detailed pin description:

| Pin Name | Description | |----------|-------------| | VCC | Power supply voltage input | | GND | Ground reference | | HOLD | Suspends ongoing data transfer | | WP | Write Protect input | | SCK | Serial Clock input | | SI | Serial Data Input | | SO | Serial Data Output | | CS# | Chip Select input |

Functional Features

1. High-Speed Read and Write: The SST25VF020B-80-4I-SAE-T offers fast read and write operations, enabling quick access to stored data.
2. Flexible Sector Architecture: The memory is divided into multiple sectors, allowing for efficient erasure and programming of specific sections without affecting the entire memory.
3. Software Protection: The device supports software protection mechanisms, such as write protection and block locking, to prevent unauthorized modification of critical data.
4. Advanced Security Features: The SST25VF020B-80-4I-SAE-T incorporates security features like unique device identification and password protection, enhancing data integrity and system security.

Advantages and Disadvantages

Advantages

• High-speed data transfer enables efficient read and write operations.
• Large storage capacity accommodates diverse application requirements.
• Low power consumption makes it suitable for battery-powered devices.
• Reliable performance ensures data integrity and longevity.
• Flexible sector architecture allows for efficient memory management.

Disadvantages

• Limited storage capacity compared to higher-capacity flash memory devices.
• Relatively higher cost per unit compared to lower-capacity alternatives.
• Requires a compatible SPI interface for seamless integration into systems.

Working Principles

The SST25VF020B-80-4I-SAE-T operates based on the Serial Peripheral Interface (SPI) protocol. It utilizes a combination of clock signals and data lines to facilitate communication between the flash memory and the host device. The SPI interface enables high-speed data transfer, allowing for efficient read and write operations.

When data is written to the memory, it is stored in individual memory cells using a process called programming. These cells can be erased individually or in groups, depending on the memory organization. The flash memory employs advanced algorithms to manage data storage, error correction, and wear leveling, ensuring reliable performance and longevity.

Detailed Application Field Plans

The SST25VF020B-80-4I-SAE-T finds applications in various fields, including but not limited to:

1. Microcontroller Systems: Used for storing program code, configuration data