MR25H40CDF

Product Overview

Category

MR25H40CDF belongs to the category of non-volatile memory devices.

Use

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

Characteristics

• Non-volatile: Retains stored data even when power is turned off.
• High capacity: Can store up to 4 megabits (512 kilobytes) of data.
• Serial interface: Communicates with the host system using a serial protocol.
• Low power consumption: Operates at low voltage levels, minimizing energy usage.
• Fast access time: Provides quick read and write operations.

Package

MR25H40CDF is available in a compact surface-mount package.

Essence

The essence of MR25H40CDF lies in its ability to reliably store and retrieve digital information in various electronic applications.

Packaging/Quantity

This product is typically packaged in reels or tubes, with each containing a specific quantity of MR25H40CDF devices.

Specifications

• Memory capacity: 4 megabits (512 kilobytes)
• 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
• Write endurance: 100,000 cycles

Detailed Pin Configuration

1. Chip Select (CS): Enables communication with the device.
2. Serial Clock (SCK): Provides the clock signal for data transfer.
3. Serial Data Input (SI): Receives data from the host system.
4. Serial Data Output (SO): Transmits data to the host system.
5. Write Protect (WP): Protects the memory from accidental writes.
6. Ground (GND): Connects to the ground reference.
7. Power Supply (VCC): Provides the operating voltage.
8. Hold (HOLD): Suspends ongoing operations temporarily.

Functional Features

• Byte-level read and write operations
• Sector erase capability for efficient data management
• Software and hardware write protection options
• Fast page programming for quick data updates
• Power-saving standby mode
• High-speed clock frequency support

Advantages and Disadvantages

Advantages

• Non-volatile memory ensures data retention even during power loss.
• Compact package size allows for space-efficient integration.
• Low power consumption extends battery life in portable devices.
• High-speed data transfer enhances overall system performance.
• Write protection features prevent accidental data corruption.

Disadvantages

• Limited storage capacity compared to other memory technologies.
• Relatively higher cost per unit compared to some alternatives.
• Susceptible to electromagnetic interference (EMI) due to its serial interface.

Working Principles

MR25H40CDF utilizes a combination of electronic circuits and semiconductor memory cells to store and retrieve digital information. It employs the Serial Peripheral Interface (SPI) protocol for communication with the host system. The memory cells are organized into sectors, allowing for efficient data management through sector erase and byte-level read/write operations. The device operates within a specified voltage range and can retain data for extended periods without power.

Detailed Application Field Plans

MR25H40CDF finds applications in various electronic systems, including but not limited to: - Consumer electronics: Smartphones, tablets, digital cameras - Automotive: Infotainment systems, instrument clusters - Industrial automation: Data loggers, control systems - Medical devices: Patient monitoring equipment, diagnostic tools - Internet of Things (IoT): Sensor nodes, wearable devices

Detailed and Complete Alternative Models

1. MR25H256CDF: Offers increased memory capacity of 32 megabits (4 megabytes).
2. MR25H10CDF: Provides lower memory capacity of 1 megabit (128 kilobytes).
3. MR25H80CDF: Offers intermediate memory capacity of 10 megabits (1.25 megabytes).

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

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