MR25H40MDFR

Product Overview

Category

MR25H40MDFR belongs to the category of non-volatile memory devices.

Use

It is primarily used for storing data in electronic systems, providing reliable and long-term storage capabilities.

Characteristics

• Non-volatile: The MR25H40MDFR retains stored data even when power is removed.
• High capacity: It offers a storage capacity of 4 megabits (512 kilobytes).
• Low power consumption: The device operates at low power levels, making it suitable for battery-powered applications.
• Fast data transfer: It supports high-speed data transfer rates, enabling efficient read and write operations.
• Durable: The MR25H40MDFR has a high endurance, allowing for frequent read and write cycles without degradation.

Package

The MR25H40MDFR is available in a compact and industry-standard SOP-8 package.

Essence

The essence of MR25H40MDFR lies in its ability to provide reliable and non-volatile data storage in various electronic systems.

Packaging/Quantity

The device is typically packaged in reels, with each reel containing a specific quantity of MR25H40MDFR chips. The exact quantity may vary depending on the manufacturer's specifications.

Specifications

• Memory capacity: 4 megabits (512 kilobytes)
• Interface: Serial Peripheral Interface (SPI)
• Operating voltage: 2.7V - 5.5V
• Data transfer rate: Up to 10 MHz
• Operating temperature range: -40°C to +85°C
• Erase/Write cycles: 100,000 cycles (minimum)

Detailed Pin Configuration

The MR25H40MDFR features an SOP-8 package with the following pin configuration:

1. Chip Select (/CS)
2. Serial Clock (SCK)
3. Serial Data Input (SI)
4. Serial Data Output (SO)
5. Write Protect (/WP)
6. Ground (GND)
7. No Connection (NC)
8. Power Supply (VCC)

Functional Features

• Byte-level Read and Write operations
• Sector Erase capability
• Chip Erase functionality
• Write Protection support
• Status Register for configuration and status information

Advantages and Disadvantages

Advantages

• Non-volatile memory ensures data retention even during power loss.
• High storage capacity allows for storing large amounts of data.
• Low power consumption makes it suitable for battery-powered devices.
• Fast data transfer rate enables efficient read and write operations.
• Durable design with high endurance for frequent read and write cycles.

Disadvantages

• Limited erase/write cycles compared to some other non-volatile memory technologies.
• Relatively higher cost per bit compared to certain alternative memory solutions.

Working Principles

The MR25H40MDFR utilizes the Serial Peripheral Interface (SPI) protocol for communication with the host system. It stores data in a series of memory cells, which can be individually addressed and accessed. The device uses a combination of electronic circuits and floating gate transistors to store and retrieve data reliably.

Detailed Application Field Plans

The MR25H40MDFR finds applications in various electronic systems, including but not limited to: - Consumer electronics - Industrial automation - Automotive electronics - Medical devices - Communication systems

Detailed and Complete Alternative Models

Some alternative models that offer similar functionality to MR25H40MDFR include: - AT25SF041: Manufactured by Adesto Technologies - M25P40: Manufactured by Micron Technology - W25Q40: Manufactured by Winbond Electronics

These alternative models provide comparable features and can be considered as substitutes for MR25H40MDFR in different applications.

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