FM25V20-DGTR

Product Overview

Category

FM25V20-DGTR belongs to the category of non-volatile memory devices.

Use

This product is primarily used for data storage in various electronic devices, such as microcontrollers, embedded systems, and consumer electronics.

Characteristics

• Non-volatile: The FM25V20-DGTR retains stored data even when power is disconnected.
• High capacity: This device has a storage capacity of 2 megabits (256 kilobytes).
• Fast operation: It offers high-speed read and write operations, allowing for efficient data access.
• Low power consumption: The FM25V20-DGTR is designed to minimize power usage, making it suitable for battery-powered devices.
• Reliable: It provides robust data retention and endurance characteristics, ensuring data integrity over an extended period.

Package

The FM25V20-DGTR comes in a small form factor package, commonly known as an SOIC-8 (Small Outline Integrated Circuit). This package type allows for easy integration into various circuit designs.

Essence

The essence of FM25V20-DGTR lies in its ability to provide reliable and non-volatile data storage in electronic devices, enabling efficient and secure data management.

Packaging/Quantity

This product is typically packaged in reels, containing a specific quantity of FM25V20-DGTR devices. The exact quantity per reel may vary depending on the manufacturer's specifications.

Specifications

• Storage Capacity: 2 Megabits (256 Kilobytes)
• Interface: Serial Peripheral Interface (SPI)
• Operating Voltage: 2.7V - 3.6V
• Operating Temperature Range: -40°C to +85°C
• Data Retention: Up to 100 years
• Endurance: Up to 1 million write cycles

Detailed Pin Configuration

The FM25V20-DGTR has eight pins, each serving a specific function:

1. Chip Select (/CS): This pin is used to enable or disable the device for communication.
2. Serial Clock (SCK): It provides the clock signal for synchronous data transfer.
3. Serial Data Input (SI): This pin receives data from the microcontroller during write operations.
4. Serial Data Output (SO): It transmits data from the memory device to the microcontroller during read operations.
5. Write Protect (/WP): When this pin is grounded, it enables write protection for the memory array.
6. Hold (/HOLD): This pin allows the microcontroller to pause ongoing operations without losing data.
7. VCC: Power supply voltage input.
8. Ground (GND): Common ground reference.

Functional Features

• High-speed data transfer: The FM25V20-DGTR supports fast read and write operations, facilitating efficient data access.
• Flexible interface: It utilizes the widely adopted Serial Peripheral Interface (SPI) protocol, enabling easy integration with various microcontrollers.
• Low power consumption: This device is designed to minimize power usage, making it suitable for battery-powered applications.
• Reliable data retention: The FM25V20-DGTR ensures long-term data integrity with its robust data retention characteristics.
• Write protection: The write protect feature allows users to safeguard critical data by preventing accidental overwriting.

Advantages and Disadvantages

Advantages

• Non-volatile storage ensures data retention even in the absence of power.
• High-speed operation enhances overall system performance.
• Low power consumption extends battery life in portable devices.
• Compact package size facilitates integration into space-constrained designs.
• Write protection feature adds an extra layer of data security.

Disadvantages

• Limited storage capacity compared to other memory devices.
• Relatively higher cost per unit compared to some alternative models.

Working Principles

The FM25V20-DGTR utilizes Flash memory technology to store data. It employs a floating gate transistor structure that allows for non-volatile storage of electrical charges. During write operations, the device applies a high voltage to the floating gate, trapping electrons and altering the transistor's conductive properties. This change in conductivity represents the stored data. During read operations, the device measures the transistor's conductive state to retrieve the stored information.

Detailed Application Field Plans

The FM25V20-DGTR finds applications in various fields, including: - Industrial automation systems - Automotive electronics - Smart home devices - Wearable technology - Internet of Things (IoT) devices - Medical equipment - Gaming consoles

Detailed and Complete Alternative Models

1. AT25SF041: Manufactured by Adesto Technologies, this 4-megabit Serial Flash memory offers similar features and performance to the FM25V20-DGTR.
2. W25Q32JV: Produced by Winbond Electronics, this 32-megabit Serial Flash memory provides higher storage capacity while maintaining compatibility with the SPI interface.