AT25256-10PI

Product Overview

Category

AT25256-10PI belongs to the category of Serial EEPROM (Electrically Erasable Programmable Read-Only Memory) integrated circuits.

Use

This product is primarily used for non-volatile data storage in various electronic devices, such as microcontrollers, computers, and consumer electronics.

Characteristics

• Non-volatile memory: The AT25256-10PI retains stored data even when power is removed.
• High storage capacity: This EEPROM has a storage capacity of 256 kilobits (32 kilobytes).
• Serial interface: It utilizes a serial communication protocol for data transfer.
• Low power consumption: The AT25256-10PI operates at low power levels, making it suitable for battery-powered devices.
• Wide operating voltage range: It can function within a voltage range of 1.8V to 5.5V.
• High reliability: This product offers excellent data retention and endurance characteristics.
• Extended temperature range: It can operate reliably in temperatures ranging from -40°C to +85°C.

Package and Quantity

The AT25256-10PI is available in a standard 8-pin DIP (Dual In-line Package) format. Each package contains one unit of the EEPROM.

Specifications

• Storage Capacity: 256 kilobits (32 kilobytes)
• Interface: Serial Peripheral Interface (SPI)
• Operating Voltage Range: 1.8V to 5.5V
• Data Retention: Minimum 100 years
• Endurance: Minimum 1 million write cycles
• Operating Temperature Range: -40°C to +85°C

Pin Configuration

The AT25256-10PI features an 8-pin DIP package with the following 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. VCC (Power Supply)
7. Ground (GND)
8. Hold (/HOLD)

Functional Features

• Byte and Page Write Operations: The AT25256-10PI supports both byte and page write operations, allowing flexible data storage.
• Sequential Read Operation: It enables sequential read operations for efficient data retrieval.
• Software Protection: The write protect pin (/WP) can be used to prevent accidental modification of stored data.
• Hardware Protection: The hold pin (/HOLD) allows pausing ongoing operations without losing data.

Advantages and Disadvantages

Advantages

• High storage capacity for extensive data storage requirements.
• Low power consumption, suitable for battery-powered devices.
• Wide operating voltage range for compatibility with various systems.
• Excellent data retention and endurance characteristics ensure reliable performance.
• Extended temperature range allows operation in harsh environments.

Disadvantages

• Limited write endurance compared to other non-volatile memory technologies.
• Relatively slower write speed compared to volatile memory technologies.

Working Principles

The AT25256-10PI utilizes an electrically erasable programmable read-only memory (EEPROM) technology. It stores data by trapping electrical charges within a floating gate transistor structure. These charges can be erased and reprogrammed using an electric field. The serial interface facilitates communication between the EEPROM and the host device, enabling data transfer and storage operations.

Detailed Application Field Plans

The AT25256-10PI finds applications in various fields, including: 1. Microcontroller-based systems requiring non-volatile memory storage. 2. Computer systems for storing system configuration data. 3. Consumer electronics, such as smart TVs, set-top boxes, and audio/video equipment. 4. Industrial automation systems for storing calibration data and configuration parameters. 5. Automotive electronics for storing vehicle-specific data and settings.

Detailed Alternative Models

1. AT25DF256: This serial flash memory offers a higher storage capacity of 256 megabits (32 megabytes) and faster write speeds.
2. AT24C256: This I2C-compatible EEPROM provides the same storage capacity but utilizes a different communication protocol.
3. AT93C66A: This Microwire-compatible EEPROM offers a smaller storage capacity of 4 kilobits (512 bytes) but is suitable for applications with lower memory requirements.

(Note: The above alternative models are provided as examples and may not cover all available options.)

In conclusion, the AT25256-10PI is a serial EEPROM integrated circuit that provides high-capacity non-volatile data storage with low power consumption. Its wide operating voltage range, reliability, and extended temperature range make it suitable for various electronic devices across different industries.