24LC256T-I/MS

Product Overview

Category

The 24LC256T-I/MS belongs to the category of electrically erasable programmable read-only memory (EEPROM) chips.

Use

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

Characteristics

• Non-volatile: The stored data remains intact even when power is removed.
• Electrically erasable: The chip allows for easy modification and erasure of data.
• High storage capacity: The 24LC256T-I/MS has a storage capacity of 256 kilobits (32 kilobytes).
• Low power consumption: It operates at low voltage levels, making it energy-efficient.
• Fast access time: The chip provides quick access to stored data.

Package

The 24LC256T-I/MS is available in a small surface-mount package (MSOP-8), which ensures compactness and ease of integration into electronic circuits.

Essence

The essence of the 24LC256T-I/MS lies in its ability to store and retrieve data reliably, while offering flexibility for data modification and erasure.

Packaging/Quantity

This chip is typically packaged in reels or tubes, with each reel containing a specific quantity of chips. The exact packaging and quantity may vary depending on the manufacturer.

Specifications

• Storage Capacity: 256 kilobits (32 kilobytes)
• Interface: I2C (Inter-Integrated Circuit)
• Operating Voltage: 1.7V to 5.5V
• Operating Temperature Range: -40°C to +85°C
• Write Endurance: 1,000,000 cycles
• Data Retention: 200 years

Detailed Pin Configuration

The 24LC256T-I/MS has eight pins, each serving a specific function:

1. VCC: Power supply voltage input
2. SDA: Serial data input/output for I2C communication
3. SCL: Serial clock input for I2C communication
4. WP: Write-protect pin (optional)
5. A0: Address bit 0 (used for device addressing)
6. A1: Address bit 1 (used for device addressing)
7. A2: Address bit 2 (used for device addressing)
8. GND: Ground reference

Functional Features

• Random access: The chip allows for direct access to any memory location.
• Byte-level read/write: Data can be read from or written to the chip at the byte level.
• Sequential read: The chip supports sequential reading of multiple bytes.
• Hardware write protection: The WP pin can be used to protect the stored data from accidental modification.

Advantages and Disadvantages

Advantages

• Non-volatile storage ensures data integrity even during power loss.
• Electrically erasable nature allows for easy data modification.
• Compact package enables integration into space-constrained designs.
• Low power consumption prolongs battery life in portable devices.
• Fast access time facilitates quick retrieval of data.

Disadvantages

• Limited storage capacity compared to other memory technologies.
• Relatively higher cost per unit compared to some alternative memory solutions.
• Susceptible to electromagnetic interference due to its small package size.

Working Principles

The 24LC256T-I/MS utilizes electrically controlled floating gate transistors to store and retrieve data. When writing data, an electrical charge is applied to the floating gate, altering its conductivity and storing the desired information. During read operations, the stored charge is measured, allowing the retrieval of the stored data.

Detailed Application Field Plans

The 24LC256T-I/MS finds applications in various fields, including:

1. Microcontroller-based systems: Used for storing program code, configuration data, and user settings.
2. Computer peripherals: Employed for storing firmware, calibration data, and device-specific parameters.
3. Consumer electronics: Integrated into devices like smart TVs, set-top boxes, and audio equipment for data storage purposes.
4. Industrial automation: Utilized in control systems, sensors, and data loggers for non-volatile data storage.

Detailed and Complete Alternative Models

Some alternative models to the 24LC256T-I/MS include:

1. AT24C256: EEPROM chip with similar specifications and I2C interface.
2. M24C256: Electrically erasable memory chip from a different manufacturer.
3. CAT24C256: EEPROM chip with extended temperature range for industrial applications.

These alternative models offer similar functionality and can be considered as substitutes based on specific requirements.

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