CAT25256LI-G

Product Overview

Category

CAT25256LI-G belongs to the category of memory integrated circuits.

Use

This product is primarily used for storing and retrieving digital information in electronic devices.

Characteristics

• High storage capacity
• Fast read and write speeds
• Low power consumption
• Compact size

Package

The CAT25256LI-G is available in a small form factor package, suitable for surface mount technology (SMT) applications.

Essence

The essence of CAT25256LI-G lies in its ability to provide reliable and efficient data storage solutions for various electronic devices.

Packaging/Quantity

This product is typically packaged in reels or trays, with quantities varying depending on customer requirements.

Specifications

• Memory Type: EEPROM (Electrically Erasable Programmable Read-Only Memory)
• Capacity: 256 kilobits (32 kilobytes)
• Interface: Serial Peripheral Interface (SPI)
• Operating Voltage: 2.5V - 5.5V
• Operating Temperature Range: -40°C to +85°C
• Data Retention: Up to 100 years
• Endurance: 1 million write cycles

Detailed Pin Configuration

The CAT25256LI-G has a total of 8 pins, each serving a specific function:

1. Chip Select (/CS): Enables communication with the device when pulled low.
2. Serial Clock (SCK): Provides the clock signal for data transfer.
3. Serial Data Input (SI): Used to input data into the device.
4. Serial Data Output (SO): Outputs data from the device.
5. Write Protect (/WP): When pulled low, prevents write operations.
6. VCC: Power supply voltage.
7. Ground (GND): Common ground reference.
8. Hold (/HOLD): Suspends ongoing operations when pulled low.

Functional Features

• High-speed data transfer: The CAT25256LI-G supports fast serial communication, allowing for efficient data transfer.
• Flexible write protection: The write protect feature ensures data integrity by preventing accidental writes.
• Low power consumption: This product is designed to minimize power consumption, making it suitable for battery-powered devices.
• Wide operating voltage range: The CAT25256LI-G can operate within a wide voltage range, providing compatibility with various systems.

Advantages and Disadvantages

Advantages

• Large storage capacity
• Fast read and write speeds
• Low power consumption
• Long data retention period
• Compact size

Disadvantages

• Limited endurance (1 million write cycles)
• Requires an external microcontroller or host device for operation

Working Principles

The CAT25256LI-G utilizes EEPROM technology to store digital information. It employs a floating gate transistor structure that allows for non-volatile data storage. When data needs to be written, the device applies a high voltage to the floating gate, trapping charge and altering the transistor's behavior. To read the stored data, the device measures the transistor's conductivity, determining the stored charge state.

Detailed Application Field Plans

The CAT25256LI-G finds applications in various electronic devices, including but not limited to: - Consumer electronics - Automotive systems - Industrial control systems - Medical equipment - Communication devices

Detailed and Complete Alternative Models

1. CAT24C256WI-GT3: Similar specifications, but with I2C interface instead of SPI.
2. AT25SF041-SSHD-T: Higher capacity (4 megabits) with similar characteristics and SPI interface.
3. M95M02-DRMN6TP: Lower power consumption, higher endurance (10 million write cycles), and similar capacity with SPI interface.

These alternative models provide options with varying features and capabilities, allowing users to choose the most suitable solution for their specific requirements.

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