MR25H40CDCR

Product Overview

Category

MR25H40CDCR belongs to the category of electronic components.

Use

This product is commonly used in electronic circuits for storing and retrieving digital information.

Characteristics

• Non-volatile memory: The MR25H40CDCR is a non-volatile memory chip, meaning it retains data even when power is turned off.
• High storage capacity: This chip has a storage capacity of 4 megabits (or 512 kilobytes) which allows for ample data storage.
• Serial interface: It utilizes a serial interface for communication with other devices, making it easy to integrate into various electronic systems.
• Low power consumption: The MR25H40CDCR is designed to consume minimal power, making it suitable for battery-powered applications.
• Compact package: It comes in a small and compact package, allowing for space-efficient integration into electronic designs.

Packaging/Quantity

The MR25H40CDCR is typically packaged in a surface-mount device (SMD) package. It is available in reels or trays, with a standard quantity of 2500 units per reel.

Specifications

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

Detailed Pin Configuration

The MR25H40CDCR has a total of 8 pins, each serving a specific purpose:

1. Chip Select (CS): Used to enable or disable the chip for communication.
2. Serial Clock (SCK): Provides the clock signal for synchronous data transfer.
3. Serial Data Input (SI): Used to input data into the chip.
4. Serial Data Output (SO): Outputs data from the chip during read operations.
5. Write Protect (WP): Allows protection against accidental write operations.
6. Hold (HOLD): Pauses ongoing operations without resetting the chip.
7. VCC: Power supply voltage input.
8. Ground (GND): Common ground reference.

Functional Features

• Fast data transfer: The MR25H40CDCR supports high-speed data transfer rates, allowing for efficient read and write operations.
• Flexible addressing: It offers flexible addressing options, enabling easy access to specific memory locations.
• Hardware write protection: The write protect pin (WP) can be used to prevent accidental modification of stored data.
• Low power consumption: This chip is designed to operate with low power consumption, making it suitable for battery-powered devices.
• High reliability: With a long data retention period and high write endurance, the MR25H40CDCR ensures reliable data storage.

Advantages and Disadvantages

Advantages

• Non-volatile memory ensures data retention even during power loss.
• Compact package allows for space-efficient integration.
• High storage capacity provides ample room for data storage.
• Low power consumption makes it suitable for portable devices.
• Flexible addressing options enhance usability.

Disadvantages

• Limited storage capacity compared to higher-capacity memory chips.
• Requires an external microcontroller or interface for communication.

Working Principles

The MR25H40CDCR utilizes flash memory technology to store digital information. It employs a serial peripheral interface (SPI) for communication with other devices. When data needs to be stored, it is sent to the chip through the SI pin. During read operations, data is retrieved from the SO pin. The chip's internal circuitry manages the storage and retrieval processes, ensuring reliable data transfer and retention.

Detailed Application Field Plans

The MR25H40CDCR finds applications in various electronic systems, including but not limited to: - Consumer electronics: Used in devices such as smartphones, tablets, and digital cameras for data storage. - Automotive electronics: Integrated into automotive systems for storing configuration data, firmware updates, and event logging. - Industrial automation: Employed in industrial control systems for storing critical parameters, program code, and system configurations. - Medical devices: Utilized in medical equipment for data logging, patient monitoring, and device configuration.

Detailed and Complete Alternative Models

1. MR25H256CDCR: A higher-capacity version of the MR25H40CDCR, offering 256 megabits (32 megabytes) of storage.
2. MR25H10CDCR: A lower-capacity variant with 1 megabit (128 kilobytes) of storage, suitable for applications with smaller memory requirements.
3. MR25H80CDCR: An intermediate-capacity option, providing 8 megabits (1 megabyte) of storage.

These alternative models offer different storage capacities to cater to diverse application needs while maintaining similar functionality and characteristics.

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