AT25HP256W-10SI

Product Overview

Category

AT25HP256W-10SI belongs to the category of non-volatile memory devices.

Use

This product is primarily used for data storage in various electronic devices such as microcontrollers, embedded systems, and consumer electronics.

Characteristics

• Non-volatile: The AT25HP256W-10SI retains stored data even when power is removed.
• High capacity: It offers a storage capacity of 256 kilobits (32 kilobytes).
• Serial interface: The device communicates using a serial peripheral interface (SPI).
• Low power consumption: It operates at low power levels, making it suitable for battery-powered devices.
• Fast access time: The AT25HP256W-10SI provides quick access to stored data.

Package

The AT25HP256W-10SI is available in a small surface-mount package, which facilitates easy integration into circuit boards.

Essence

The essence of this product lies in its ability to provide reliable and non-volatile storage for electronic devices, ensuring that data is retained even during power cycles or system failures.

Packaging/Quantity

The AT25HP256W-10SI is typically packaged in reels or tubes, with each containing a specific quantity of devices. The exact packaging and quantity may vary depending on the manufacturer's specifications.

Specifications

• Memory Capacity: 256 kilobits (32 kilobytes)
• Interface: Serial Peripheral Interface (SPI)
• Operating Voltage: 2.7V - 5.5V
• Operating Temperature Range: -40°C to +85°C
• Data Retention: Up to 100 years
• Write Endurance: 1 million write cycles

Detailed Pin Configuration

The AT25HP256W-10SI has a standard pin configuration with the following pins:

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. Power Supply (VCC)
8. Ground (GND)

Functional Features

• High-Speed Performance: The AT25HP256W-10SI offers fast read and write operations, enabling efficient data transfer.
• Flexible Write Protection: The device includes a write protect pin (/WP) that allows users to protect specific memory areas from accidental modification.
• Software and Hardware Reset: It supports both software and hardware reset functions, providing flexibility in system design.
• Sector Lockdown: The AT25HP256W-10SI allows locking individual sectors to prevent further modifications, enhancing data security.

Advantages and Disadvantages

Advantages

• Non-volatile storage ensures data retention even during power loss or system failures.
• High capacity enables storing a significant amount of data.
• Low power consumption makes it suitable for battery-powered devices.
• Fast access time facilitates quick retrieval of stored information.

Disadvantages

• Limited storage capacity compared to other non-volatile memory options.
• Relatively higher cost per kilobit compared to alternative memory technologies.

Working Principles

The AT25HP256W-10SI utilizes flash memory technology to store data. It employs a floating gate transistor structure that can trap and release electrons, representing binary states (0s and 1s). When data is written, the trapped charge alters the transistor's conductivity, allowing the device to retain the stored information even without power. During read operations, the stored charge is sensed, and the corresponding data is retrieved.

Detailed Application Field Plans

The AT25HP256W-10SI finds applications in various fields, including:

1. Microcontrollers: Used for program storage and data logging in microcontroller-based systems.
2. Embedded Systems: Provides non-volatile storage for firmware, configuration data, and system parameters in embedded devices.
3. Consumer Electronics: Used in devices like smart TVs, set-top boxes, and gaming consoles for storing user preferences, settings, and firmware updates.

Detailed and Complete Alternative Models

1. AT25HP512W-10SI: Offers double the capacity of AT25HP256W-10SI (512 kilobits).
2. AT25HP1024W-10SI: Provides four times the capacity of AT25HP256W-10SI (1024 kilobits).
3. AT25HP256W-20SI: Similar to AT25HP256W-10SI but operates at a higher voltage range (2.7V - 5.5V).

These alternative models offer increased storage capacity or different operating characteristics, allowing users to choose the most suitable option for their specific requirements.

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