24LC64X-I/ST

Product Overview

Category

The 24LC64X-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: Data can be erased and reprogrammed electronically.
• High storage capacity: The 24LC64X-I/ST has a capacity of 64 kilobits (8 kilobytes).
• Low power consumption: It operates at low voltage and consumes minimal power.
• Fast write and read operations: Enables efficient data transfer.

Package

The 24LC64X-I/ST is available in a small surface-mount package (ST) that facilitates 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 24LC64X-I/ST 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

• Memory Capacity: 64 kilobits (8 kilobytes)
• Interface: I2C (Inter-Integrated Circuit)
• Operating Voltage: 1.7V to 5.5V
• Operating Temperature Range: -40°C to +85°C
• Write Endurance: 1 million cycles
• Data Retention: Up to 200 years

Detailed Pin Configuration

The 24LC64X-I/ST has a standard 8-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: Address bit 0 (for device addressing)
6. A1: Address bit 1 (for device addressing)
7. A2: Address bit 2 (for device addressing)
8. GND: Ground

Functional Features

• Random access: Allows reading and writing of specific memory locations.
• Page write mode: Enables faster data writes by allowing multiple bytes to be written in a single operation.
• Software write protection: The WP pin can be used to protect the memory from accidental writes.
• Sequential read mode: Facilitates efficient reading of consecutive memory locations.

Advantages and Disadvantages

Advantages

• Non-volatile storage: Data remains intact even during power loss.
• Compact form factor: Suitable for space-constrained applications.
• Low power consumption: Ideal for battery-powered devices.
• High endurance: Can withstand frequent write operations.
• Compatibility: Supports standard I2C interface for easy integration.

Disadvantages

• Limited storage capacity: May not be suitable for applications requiring large amounts of data storage.
• Relatively slower write speeds compared to other memory technologies.
• Vulnerable to electromagnetic interference (EMI) due to its small package size.

Working Principles

The 24LC64X-I/ST utilizes electrically erasable programmable read-only memory (EEPROM) technology. It consists of a grid of memory cells that can be individually programmed or erased using electrical signals. When data is written, an electric charge is applied to the memory cell, altering its state. This stored charge represents the binary information. During read operations, the stored charge is detected and converted back into digital data.

Detailed Application Field Plans

The 24LC64X-I/ST finds applications in various fields, including:

1. Embedded Systems: Used for storing configuration data, firmware updates, and user settings in microcontrollers and embedded devices.
2. Automotive Electronics: Enables data storage for vehicle diagnostics, infotainment systems, and electronic control units (ECUs).
3. Industrial Automation: Provides non-volatile memory for storing calibration data, sensor readings, and system parameters in industrial control systems.
4. Consumer Electronics: Utilized in devices like smart TVs, set-top boxes, and gaming consoles for storing user preferences, channel lists, and game data.

Detailed and Complete Alternative Models

1. 24LC32X-I/ST: A lower capacity variant with 32 kilobits (4 kilobytes) of memory.
2. 24LC128X-I/ST: A higher capacity variant with 128 kilobits (16 kilobytes) of memory.
3. 24LC256X-I/ST: An even higher capacity variant with 256 kilobits (32 kilobytes) of memory.

These alternative models offer different memory capacities to suit specific application requirements.