M25PE40S-VMW6TG TR

Product Overview

Category

The M25PE40S-VMW6TG TR belongs to the category of Serial Flash Memory.

Use

This product is primarily used for storing and retrieving data in electronic devices such as microcontrollers, digital cameras, and set-top boxes.

Characteristics

• Non-volatile memory: The M25PE40S-VMW6TG TR retains data even when power is removed.
• High storage capacity: This flash memory chip has a capacity of 4 megabits (512 kilobytes).
• Fast data transfer: It supports high-speed serial communication protocols for efficient data transfer.
• Low power consumption: The M25PE40S-VMW6TG TR operates at low voltage levels, minimizing power consumption.
• Compact package: It comes in a small form factor package, making it suitable for space-constrained applications.

Package and Quantity

The M25PE40S-VMW6TG TR is packaged in a surface-mount 8-pin SOIC (Small Outline Integrated Circuit) package. It is typically sold in reels containing multiple units.

Specifications

• Memory Capacity: 4 Megabits (512 Kilobytes)
• Interface: Serial Peripheral Interface (SPI)
• Operating Voltage: 2.7V - 3.6V
• Data Transfer Rate: Up to 75 MHz
• Erase/Program Time: 0.5 ms (typical)
• Endurance: 100,000 erase/write cycles (minimum)
• Data Retention: 20 years (minimum)

Detailed Pin Configuration

The M25PE40S-VMW6TG TR has the following pin configuration:

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

Functional Features

• Fast Read Operation: The M25PE40S-VMW6TG TR supports high-speed read operations, allowing for quick access to stored data.
• Flexible Erase and Program Operations: It provides sector-based erase and byte/word-based program operations, enabling efficient memory management.
• Write Protection: The /WP pin can be used to protect the memory contents from accidental writes.
• Hold Functionality: The /HOLD pin allows pausing ongoing operations without losing data.

Advantages and Disadvantages

Advantages

• High storage capacity in a compact package.
• Fast data transfer rate for efficient operation.
• Low power consumption, suitable for battery-powered devices.
• Long data retention period ensures data integrity over time.

Disadvantages

• Limited erase/write endurance compared to other non-volatile memory technologies.
• Requires an external microcontroller or host device for interfacing and control.

Working Principles

The M25PE40S-VMW6TG TR utilizes the Serial Peripheral Interface (SPI) protocol for communication with the host device. It stores data in non-volatile memory cells that can be electrically erased and programmed. The memory is organized into sectors, allowing for efficient management of data storage and retrieval.

During operation, the host device sends commands and addresses to the flash memory chip via the SPI interface. The chip responds by reading or writing data from/to the specified memory location. The /CS pin is used to select the chip for communication, while the SCLK pin provides the clock signal for synchronization.

Detailed Application Field Plans

The M25PE40S-VMW6TG TR finds applications in various electronic devices, including but not limited to: - Microcontrollers: Used for storing firmware, configuration data, and log information. - Digital Cameras: Used for storing captured images and videos. - Set-top Boxes: Used for storing program data, settings, and user preferences.

Detailed and Complete Alternative Models

Some alternative models to the M25PE40S-VMW6TG TR include: - M25P40-VMN6TP: 4 Megabit Serial Flash Memory with similar specifications and package. - MX25L4006EZNI-12G: 4 Megabit Serial Flash Memory with extended temperature range.

These alternative models offer similar functionality and can be considered as replacements depending on specific requirements.

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