AT25FS040N-SH27-T

Product Overview

Category

AT25FS040N-SH27-T belongs to the category of Serial Flash Memory.

Use

It is primarily used for storing and retrieving data in electronic devices such as microcontrollers, digital cameras, and portable media players.

Characteristics

• Non-volatile memory: The stored data is retained even when power is removed.
• High-speed operation: Enables fast read and write operations.
• Low power consumption: Optimized for battery-powered devices.
• Small form factor: Compact size allows for integration into various electronic devices.
• Wide temperature range: Can operate reliably in extreme temperature conditions.

Package

AT25FS040N-SH27-T is available in a small outline 8-lead SOIC package.

Essence

The essence of AT25FS040N-SH27-T lies in its ability to provide reliable and high-performance storage solutions for embedded systems.

Packaging/Quantity

This product is typically packaged in reels, with each reel containing a specific quantity of AT25FS040N-SH27-T units. The exact quantity may vary depending on the manufacturer's specifications.

Specifications

• Memory Size: 4 Megabits (512 Kilobytes)
• Interface: Serial Peripheral Interface (SPI)
• Voltage Range: 2.7V to 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)
2. Serial Clock (SCK)
3. Serial Data Input (SI)
4. Serial Data Output (SO)
5. Write Protect (/WP)
6. Hold (/HOLD)
7. VCC (Power Supply)
8. Ground (GND)

Functional Features

• Sector Erase and Program: Allows for efficient erasing and programming of memory sectors.
• Continuous Read Mode: Enables sequential reading of data without the need for repeated commands.
• Software Protection: Provides software-controlled write protection to prevent accidental modification of stored data.
• Deep Power-Down Mode: Reduces power consumption to a minimum when the device is not in use.

Advantages and Disadvantages

Advantages

• High-speed operation enables fast data access.
• Non-volatile memory ensures data retention even during power loss.
• Small form factor allows for easy integration into compact electronic devices.
• Wide temperature range makes it suitable for various environments.
• Software protection feature enhances data security.

Disadvantages

• Limited storage capacity compared to higher-capacity flash memory options.
• Relatively higher cost per unit compared to some alternative models.

Working Principles

AT25FS040N-SH27-T utilizes the Serial Peripheral Interface (SPI) protocol to communicate with the host device. It stores data in non-volatile memory cells, which can be electrically programmed and erased. The SPI interface facilitates high-speed data transfer between the host device and the flash memory.

Detailed Application Field Plans

AT25FS040N-SH27-T finds applications in various fields, including but not limited to: 1. Automotive electronics: Used for storing firmware, configuration data, and event logs in automotive control units. 2. Industrial automation: Enables data logging, configuration storage, and firmware updates in industrial control systems. 3. Consumer electronics: Utilized in digital cameras, portable media players, and gaming consoles for data storage purposes. 4. Medical devices: Used for storing patient data, firmware, and calibration information in medical equipment.

Detailed and Complete Alternative Models

1. AT25DF041A: Similar specifications and functionality, offered by the same manufacturer.
2. W25Q40BV: Comparable features and performance, manufactured by a different company.
3. MX25L4006E: Alternative option with similar capacity and interface, produced by another manufacturer.

(Note: The above alternative models are provided for reference and may vary in availability and specific features.)

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