24LC256T-I/SM

Product Overview

Category

The 24LC256T-I/SM 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 even when power is removed.
• Electrically erasable: Data can be erased and reprogrammed electronically.
• High storage capacity: The 24LC256T-I/SM has a storage capacity of 256 kilobits (32 kilobytes).
• Low power consumption: It operates at low voltage and consumes minimal power.
• I2C interface: It uses the Inter-Integrated Circuit (I2C) protocol for communication.

Package

The 24LC256T-I/SM comes in a surface mount package (SM) with 8 pins. The package type is SOIC (Small Outline Integrated Circuit).

Essence

The essence of the 24LC256T-I/SM is its ability to provide reliable and non-volatile data storage in a compact and low-power package.

Packaging/Quantity

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

Specifications

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

Pin Configuration

The 24LC256T-I/SM has 8 pins arranged as follows:

```

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| | | 1 2 3 4 5 | | | | 8 7 6 | |_______________| ```

Pin Description: 1. A0: Address Input 2. A1: Address Input 3. A2: Address Input 4. VSS: Ground 5. SDA: Serial Data Input/Output 6. SCL: Serial Clock Input 7. WP: Write Protect 8. VCC: Supply Voltage

Functional Features

• Random access: Allows reading and writing data at any memory location.
• Byte-level operations: Supports individual byte read and write operations.
• Page write mode: Enables faster writing of multiple bytes within a page boundary.
• Hardware write protection: The WP pin can be used to protect the memory from accidental writes.

Advantages and Disadvantages

Advantages

• Non-volatile storage: Retains data even when power is removed.
• Compact size: Small form factor suitable for space-constrained applications.
• Low power consumption: Ideal for battery-powered devices.
• High endurance: Can withstand frequent write cycles.
• I2C interface: Widely supported communication protocol.

Disadvantages

• Limited storage capacity: May not be sufficient for applications requiring large amounts of data storage.
• Slower write speed compared to other memory technologies.
• Vulnerable to electrical noise and interference.

Working Principles

The 24LC256T-I/SM uses EEPROM technology, which allows for electrically erasing and reprogramming data. It utilizes an I2C interface for communication with the host device. When data needs to be stored or retrieved, the host device sends commands and addresses to the chip via the SDA and SCL lines. The chip then performs the requested operation and responds accordingly.

Detailed Application Field Plans

The 24LC256T-I/SM can be used in various applications, including but not limited to: - Embedded systems - Industrial automation - Automotive electronics - Smart home devices - Wearable technology - Medical devices

Alternative Models

There are several alternative models available that offer similar functionality to the 24LC256T-I/SM. Some popular alternatives include: - AT24C256C - CAT24C256 - M24C256 - FM24C256

These alternative models may have slight differences in specifications and pin configurations, so it is important to refer to their respective datasheets for detailed information.

In conclusion, the 24LC256T-I/SM is a versatile EEPROM chip that provides reliable non-volatile data storage in a compact package. Its high endurance, low power consumption, and I2C interface make it suitable for a wide range of applications. However, its limited storage capacity and slower write speed should be considered when selecting this chip for specific projects.