24LC128T-I/ST

Product Overview

Category

The 24LC128T-I/ST belongs to the category of electrically erasable programmable read-only memory (EEPROM) chips.

Use

This product 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: The data can be erased and reprogrammed electronically.
• High storage capacity: The 24LC128T-I/ST has a capacity of 128 kilobits (16 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 24LC128T-I/ST comes in a small surface-mount package (ST) that ensures easy integration into electronic circuits.

Essence

The essence of this product lies in its ability to provide reliable and non-volatile data storage in a compact form factor.

Packaging/Quantity

The 24LC128T-I/ST is typically packaged in reels or tubes, with each reel or tube containing a specific quantity of chips. The exact quantity depends on the manufacturer's specifications.

Specifications

• Memory Capacity: 128 kilobits (16 kilobytes)
• Supply Voltage: 1.7V to 5.5V
• Operating Temperature Range: -40°C to +85°C
• Data Retention: Up to 200 years
• Write Endurance: 1 million write cycles

Detailed Pin Configuration

The 24LC128T-I/ST has a total of 8 pins, which are as follows:

1. VCC: Power supply 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, A1, A2: Address selection pins for device addressing
6. GND: Ground connection

Functional Features

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

Advantages and Disadvantages

Advantages

• Non-volatile storage: Data remains intact even during power loss.
• High storage capacity: Offers ample space for storing critical information.
• Low power consumption: Ideal for battery-powered devices.
• Compact form factor: Easy integration into various electronic circuits.
• I2C interface: Simplifies communication with other devices.

Disadvantages

• Limited write endurance: Excessive writes may reduce the lifespan of the chip.
• Relatively slower write speed compared to other memory technologies.
• Vulnerable to electromagnetic interference (EMI) due to its small size.

Working Principles

The 24LC128T-I/ST utilizes EEPROM technology, which allows for electrically erasing and reprogramming data. It uses a combination of transistors and capacitors to store binary information in memory cells. When data needs to be written or erased, electrical signals are applied to specific memory cells, altering their charge state.

Detailed Application Field Plans

The 24LC128T-I/ST finds applications in various fields, including:

1. Embedded systems: Used for storing firmware, configuration data, and calibration parameters.
2. Automotive electronics: Stores critical data related to engine control units, infotainment systems, and sensor calibration.
3. Industrial automation: Used for storing machine parameters, production data, and user settings.
4. Consumer electronics: Enables data storage in devices like smart TVs, set-top boxes, and gaming consoles.

Detailed and Complete Alternative Models

1. 24LC256: Offers double the storage capacity of the 24LC128T-I/ST (256 kilobits).
2. 24LC512: Provides four times the storage capacity of the 24LC128T-I/ST (512 kilobits).
3. 24LC1025: Offers eight times the storage capacity of the 24LC128T-I/ST (1024 kilobits).

These alternative models provide increased memory capacity but share similar characteristics and functionality with the 24LC128T-I/ST.

In conclusion, the 24LC128T-I/ST is a versatile EEPROM chip that provides reliable non-volatile data storage in various electronic applications. Its compact size, low power consumption, and I2C interface make it an ideal choice for many embedded systems and consumer electronics.