24LC128T-E/SN

Product Overview

Category

The 24LC128T-E/SN 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 24LC128T-E/SN retains stored data even when power is removed.
• Electrically erasable: The chip allows for easy modification of stored data through electrical signals.
• High storage capacity: The 24LC128T-E/SN has a storage capacity of 128 kilobits (16 kilobytes).
• Low power consumption: This chip operates at low power levels, making it suitable for battery-powered devices.

Package

The 24LC128T-E/SN is available in an 8-pin SOIC (Small Outline Integrated Circuit) package. This package provides a compact form factor and ease of integration into circuit boards.

Essence

The essence of the 24LC128T-E/SN lies in its ability to store and retrieve data reliably, while offering flexibility for data modification.

Packaging/Quantity

The 24LC128T-E/SN is typically packaged in reels or tubes, with a quantity of 2500 units per reel/tube.

Specifications

• Storage Capacity: 128 kilobits (16 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 24LC128T-E/SN features the following pin configuration:

1. VCC: Power supply voltage
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
6. GND: Ground

Functional Features

• Random access: The chip allows for direct access to any memory location, enabling efficient data retrieval.
• Byte-level read and write operations: Data can be read from or written to the chip at the byte level, providing flexibility in data manipulation.
• Hardware write protection: The optional write protect pin (WP) allows for hardware-based protection against accidental data modification.
• Sequential read operation: The 24LC128T-E/SN supports sequential read operations, allowing for faster data retrieval.

Advantages and Disadvantages

Advantages

• High storage capacity for its compact size
• Low power consumption
• Easy integration into circuit boards
• Flexible data modification through electrical signals
• Long data retention period

Disadvantages

• Limited to I2C interface, may not be compatible with certain systems
• Relatively slower write speed compared to other memory technologies

Working Principles

The 24LC128T-E/SN utilizes electrically controlled floating gate transistors to store data. When a specific voltage is applied, charges are trapped in the floating gate, representing binary data. These charges can be erased by applying a higher voltage, allowing for data modification.

Detailed Application Field Plans

The 24LC128T-E/SN finds applications in various fields, including: 1. Embedded systems: Used for storing firmware, configuration data, and calibration parameters. 2. Automotive electronics: Stores critical data such as vehicle identification numbers (VINs), mileage, and fault codes. 3. Industrial automation: Enables storage of production data, machine settings, and user preferences. 4. Consumer electronics: Used in devices like smart TVs, set-top boxes, and gaming consoles for storing user profiles, settings, and application data.

Detailed and Complete Alternative Models

1. 24LC256: Offers double the storage capacity (256 kilobits) compared to the 24LC128T-E/SN.
2. 24LC512: Provides four times the storage capacity (512 kilobits) compared to the 24LC128T-E/SN.
3. 24LC1025: Offers eight times the storage capacity (1024 kilobits) compared to the 24LC128T-E/SN.

These alternative models provide increased storage capacity but may have different pin configurations and package options.

In conclusion, the 24LC128T-E/SN is a versatile EEPROM chip that offers high storage capacity, low power consumption, and flexibility in data modification. It finds applications in various industries and can be replaced by alternative models with higher storage capacities if needed.