MR25H256MDF

Product Overview

Category

MR25H256MDF belongs to the category of non-volatile memory devices.

Use

This product is primarily used for data storage in various electronic devices, such as computers, smartphones, and embedded systems.

Characteristics

• Non-volatile: The MR25H256MDF retains stored data even when power is disconnected.
• High capacity: It offers a storage capacity of 256 megabits (32 megabytes).
• Fast access time: The device provides quick access to stored data, ensuring efficient operation.
• Reliable: It has a high endurance and can withstand numerous read and write cycles.
• Compact package: The MR25H256MDF comes in a small form factor, making it suitable for space-constrained applications.

Package and Quantity

The MR25H256MDF is available in a surface-mount package. Each package contains one unit of the memory device.

Specifications

• Memory Type: Non-volatile
• Capacity: 256 megabits (32 megabytes)
• Interface: Serial Peripheral Interface (SPI)
• Operating Voltage: 2.7V - 3.6V
• Operating Temperature Range: -40°C to +85°C
• Data Retention: Up to 20 years
• Endurance: 100,000 write cycles

Pin Configuration

The MR25H256MDF follows a standard pin configuration for SPI memory devices. It consists of the following pins:

1. Chip Select (CS)
2. Serial Clock (SCK)
3. Serial Data Input (SI)
4. Serial Data Output (SO)
5. Write Protect (WP)
6. Hold (HOLD)
7. Power Supply (VCC)
8. Ground (GND)

Functional Features

• High-speed data transfer: The MR25H256MDF supports fast data transfer rates, enabling efficient read and write operations.
• Sector-based erase: It allows for selective erasure of specific memory sectors, enhancing flexibility in data management.
• Write protection: The device includes a write protect pin (WP) that can be used to prevent accidental modification of stored data.
• Low power consumption: The MR25H256MDF is designed to minimize power consumption, making it suitable for battery-powered devices.

Advantages and Disadvantages

Advantages

• High storage capacity
• Fast access time
• Reliable and durable
• Compact form factor
• Flexible sector-based erase feature

Disadvantages

• Limited compatibility with certain legacy interfaces
• Relatively higher cost compared to lower-capacity memory devices

Working Principles

The MR25H256MDF utilizes flash memory technology to store and retrieve data. It employs the Serial Peripheral Interface (SPI) protocol for communication with the host device. When data is written, it is stored in non-volatile memory cells within the device. During read operations, the stored data is retrieved and transferred to the host device via the SPI interface.

Detailed Application Field Plans

The MR25H256MDF finds applications in various fields, including: 1. Consumer electronics: Used in smartphones, tablets, digital cameras, and portable media players for data storage. 2. Automotive systems: Employed in infotainment systems, navigation units, and engine control modules for storing critical data. 3. Industrial automation: Utilized in programmable logic controllers (PLCs), human-machine interfaces (HMIs), and data loggers for reliable data storage. 4. Medical devices: Integrated into medical equipment such as patient monitors, ultrasound machines, and diagnostic devices for data storage and retrieval.

Alternative Models

For users seeking alternative options, the following models are available: 1. MR25H128MDF: A lower-capacity variant with 128 megabits (16 megabytes) of storage. 2. MR25H512MDF: A higher-capacity variant with 512 megabits (64 megabytes) of storage. 3. MR25H1024MDF: The highest-capacity model in the series, offering 1024 megabits (128 megabytes) of storage.

In conclusion, the MR25H256MDF is a non-volatile memory device that provides high capacity, fast access time, and reliable data storage. Its compact form factor and functional features make it suitable for various applications across different industries.

Word count: 530 words