24LC128-I/ST

Product Overview

Category

The 24LC128-I/ST 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: Retains stored data even when power is removed.
• Electrically erasable: Allows data to be erased and reprogrammed electronically.
• High storage capacity: The 24LC128-I/ST has a storage capacity of 128 kilobits (16 kilobytes).
• Low power consumption: Operates at low power levels, making it suitable for battery-powered devices.
• I2C interface: Communicates with other devices using the Inter-Integrated Circuit (I2C) protocol.

Package

The 24LC128-I/ST is available in a small surface-mount package (ST), which facilitates easy integration into compact electronic designs.

Essence

The essence of the 24LC128-I/ST is its ability to provide reliable and non-volatile data storage in a compact form factor.

Packaging/Quantity

This chip is typically sold 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: 128 kilobits (16 kilobytes)
• Interface: I2C
• 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 24LC128-I/ST has a total of 8 pins, which are as follows:

1. VCC: Power supply voltage input
2. SDA: Serial data line for I2C communication
3. SCL: Serial clock line for I2C communication
4. WP: Write protect pin (optional)
5. A0, A1, A2: Address selection pins
6. GND: Ground

Functional Features

• Random access: Allows reading and writing of specific memory locations.
• Byte-level read and write operations: Enables efficient manipulation of data stored in the chip.
• Hardware write protection: The WP pin can be used to protect the data from accidental overwriting.
• Sequential read operation: Supports continuous reading of multiple memory locations.

Advantages and Disadvantages

Advantages

• Non-volatile storage: Data remains intact even during power loss.
• Compact form factor: Suitable for space-constrained designs.
• Low power consumption: Ideal for battery-powered devices.
• High endurance: Can withstand a large number of write cycles.

Disadvantages

• Limited storage capacity: May not be sufficient for applications requiring large amounts of data storage.
• Relatively slower write speed compared to other memory technologies.

Working Principles

The 24LC128-I/ST utilizes electrically erasable programmable read-only memory (EEPROM) technology. It stores data by trapping electric charges in floating gate transistors. These charges can be selectively removed or added using electrical signals, allowing for data erasure and reprogramming.

Detailed Application Field Plans

The 24LC128-I/ST finds application in various fields, including but not limited to: - Embedded systems - Industrial automation - Automotive electronics - Smart home devices - Medical equipment

Detailed and Complete Alternative Models

Some alternative models to the 24LC128-I/ST include: - 24LC256: Offers double the storage capacity (256 kilobits) - 24LC512: Provides four times the storage capacity (512 kilobits) - 24LC1025: Offers ten times the storage capacity (1 megabit)

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

In conclusion, the 24LC128-I/ST is a versatile EEPROM chip that offers non-volatile data storage in a compact form factor. Its high endurance, low power consumption, and I2C interface make it suitable for various applications in different industries.