AT25PE40-MHN-T

Product Overview

Category

AT25PE40-MHN-T belongs to the category of Serial Flash Memory.

Use

It is primarily used for storing data in electronic devices such as microcontrollers, digital cameras, and other consumer electronics.

Characteristics

• Non-volatile memory: The stored data is retained even when power is removed.
• High storage capacity: AT25PE40-MHN-T has a capacity of 4 megabits (512 kilobytes).
• Serial interface: It uses a serial peripheral interface (SPI) for communication with the host device.
• Low power consumption: It operates at low voltage levels, making it suitable for battery-powered devices.
• Fast read and write speeds: It offers high-speed data transfer rates for efficient data handling.

Package

AT25PE40-MHN-T is available in an 8-pin SOIC (Small Outline Integrated Circuit) package.

Essence

The essence of AT25PE40-MHN-T lies in its ability to provide reliable and high-performance data storage in a compact form factor.

Packaging/Quantity

It is typically sold in reels containing a quantity of 2500 units per reel.

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): This pin is used to enable or disable the device for communication.
2. Serial Clock (SCK): It provides the clock signal for synchronous data transfer.
3. Serial Data Input (SI): Data is input to the device through this pin during write operations.
4. Serial Data Output (SO): The device outputs data through this pin during read operations.
5. Write Protect (/WP): This pin is used to protect the memory from accidental write operations.
6. Hold (/HOLD): It allows the host device to pause ongoing operations without losing data.
7. VCC: Power supply voltage input.
8. Ground (GND): Common ground reference.

Functional Features

• Sector Erase and Program: AT25PE40-MHN-T supports sector-based erase and program operations, allowing efficient management of data.
• Software Protection: It provides software protection mechanisms to prevent unauthorized access or modification of stored data.
• Fast Read Operations: The device offers fast read speeds, enabling quick retrieval of data.
• Low Power Consumption: AT25PE40-MHN-T operates at low power levels, making it suitable for energy-efficient applications.
• High Reliability: It incorporates error detection and correction techniques to ensure data integrity.

Advantages and Disadvantages

Advantages

• Compact form factor
• High storage capacity
• Fast data transfer rates
• Low power consumption
• Reliable data retention

Disadvantages

• Limited write endurance
• Requires a compatible host device with SPI interface

Working Principles

AT25PE40-MHN-T utilizes the Serial Peripheral Interface (SPI) protocol for communication with the host device. It stores data in non-volatile memory cells that retain information even when power is removed. The device can be accessed by sending specific commands through the SPI interface, allowing read, write, and erase operations.

Detailed Application Field Plans

AT25PE40-MHN-T finds applications in various electronic devices, including but not limited to: - Microcontrollers - Digital cameras - Set-top boxes - Printers - Smart meters - Industrial control systems

Alternative Models

1. AT25PE80-MHN-T: This model offers double the storage capacity of AT25PE40-MHN-T, with 8 megabits (1 megabyte) of memory.
2. AT25PE16-MHN-T: With a capacity of 16 megabits (2 megabytes), this model provides even higher storage capabilities.
3. AT25PE32-MHN-T: Offering 32 megabits (4 megabytes) of memory, this model is suitable for applications requiring larger data storage.

These alternative models provide increased storage capacities while maintaining similar characteristics and functionality to AT25PE40-MHN-T.

In conclusion, AT25PE40-MHN-T is a compact and reliable Serial Flash Memory device that offers high-performance data storage for various electronic applications. Its features, advantages, and compatibility make it a popular choice among designers and manufacturers in need of efficient and secure data storage solutions.