Everspin Technologies Inc.
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MR25H40MDF
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MR25H40MDF

Product Overview

Category

MR25H40MDF belongs to the category of non-volatile memory devices.

Use

It is primarily used for data storage and retrieval in various electronic systems.

Characteristics

  • Non-volatile: Retains stored data even when power is disconnected.
  • High capacity: Offers a storage capacity of 4 megabits (Mb).
  • Serial interface: Utilizes a serial peripheral interface (SPI) for communication.
  • Low power consumption: Operates on low power, making it suitable for battery-powered devices.

Package

MR25H40MDF is available in a small form factor package, commonly known as an SOP-8 package.

Essence

The essence of MR25H40MDF lies in its ability to provide reliable and non-volatile storage for electronic systems.

Packaging/Quantity

This product is typically packaged in reels containing a specific quantity, such as 2500 units per reel.

Specifications

  • Memory capacity: 4 Mb
  • Interface: SPI (Serial Peripheral Interface)
  • Operating voltage: 2.7V - 3.6V
  • Operating temperature range: -40°C to +85°C
  • Write endurance: 100,000 cycles
  • Data retention: 10 years

Detailed 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. Power Supply (VCC)
  8. Hold (HOLD)

Functional Features

  • High-speed data transfer: Supports fast data transfer rates through the SPI interface.
  • Write protection: Includes a write protect pin to prevent accidental modification of stored data.
  • Flexible addressing: Allows for easy access to specific memory locations using address commands.
  • Sector erase capability: Enables erasing of specific memory sectors for efficient data management.

Advantages

  • Non-volatile storage: Ensures data integrity even during power loss or system shutdown.
  • Compact form factor: Suitable for space-constrained electronic devices.
  • Low power consumption: Ideal for battery-powered applications.
  • High-speed data transfer: Facilitates quick read and write operations.

Disadvantages

  • Limited storage capacity: May not be suitable for applications requiring larger memory sizes.
  • Relatively higher cost per megabit compared to other memory technologies.

Working Principles

MR25H40MDF utilizes flash memory technology, which stores data in floating-gate transistors. When data is written, an electrical charge is applied to the floating gate, altering its conductivity and storing the desired information. During read operations, the stored charge is measured to determine the stored data.

Detailed Application Field Plans

MR25H40MDF finds applications in various electronic systems, including but not limited to: - Consumer electronics - Automotive systems - Industrial control systems - Medical devices - Communication equipment

Detailed and Complete Alternative Models

  1. MR25H256MDF: Offers a higher storage capacity of 256 Mb.
  2. MR25H10MDF: Provides a lower storage capacity of 1 Mb.
  3. MR25H80MDF: Offers a storage capacity of 8 Mb.

These alternative models cater to different memory requirements and can be chosen based on specific application needs.

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Enumere 10 preguntas y respuestas comunes relacionadas con la aplicación de MR25H40MDF en soluciones técnicas

Sure! Here are 10 common questions and answers related to the application of MR25H40MDF in technical solutions:

  1. Q: What is MR25H40MDF? A: MR25H40MDF is a specific model of a high-speed, low-power, 4-Mbit serial EEPROM memory chip.

  2. Q: What are the key features of MR25H40MDF? A: Some key features of MR25H40MDF include a 4-Mbit storage capacity, high-speed SPI interface, low power consumption, and wide operating voltage range.

  3. Q: What are the typical applications of MR25H40MDF? A: MR25H40MDF is commonly used in various technical solutions such as industrial automation, consumer electronics, automotive systems, medical devices, and IoT applications.

  4. Q: How does MR25H40MDF connect to a microcontroller or other devices? A: MR25H40MDF uses a Serial Peripheral Interface (SPI) for communication with microcontrollers or other devices. It requires four connections: SCK (Serial Clock), MOSI (Master Out Slave In), MISO (Master In Slave Out), and CS (Chip Select).

  5. Q: What is the operating voltage range of MR25H40MDF? A: MR25H40MDF operates within a wide voltage range of 1.7V to 5.5V, making it compatible with various power supply systems.

  6. Q: Can MR25H40MDF be used in harsh environments? A: Yes, MR25H40MDF is designed to withstand harsh environmental conditions. It has a wide operating temperature range and is resistant to shock and vibration.

  7. Q: How fast is the data transfer rate of MR25H40MDF? A: MR25H40MDF supports high-speed data transfer with a maximum clock frequency of 10 MHz, allowing for efficient read and write operations.

  8. Q: Can MR25H40MDF retain data during power loss? A: Yes, MR25H40MDF has built-in EEPROM technology that allows it to retain data even when the power is disconnected.

  9. Q: Is MR25H40MDF compatible with other EEPROM memory chips? A: MR25H40MDF follows the industry-standard SPI interface protocol, making it compatible with other EEPROM chips that support the same interface.

  10. Q: Are there any specific programming requirements for MR25H40MDF? A: MR25H40MDF can be easily programmed using standard SPI commands. The datasheet provides detailed information on the programming process and command set.

Please note that these questions and answers are generic and may vary depending on the specific requirements and documentation provided by the manufacturer of MR25H40MDF.