24LC64-E/MS

Product Overview

Category

The 24LC64-E/MS 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

• Electrically erasable: The 24LC64-E/MS allows for easy erasing and rewriting of data without requiring a separate erasing mechanism.
• Programmable: Users can write and modify data stored in the chip using appropriate programming techniques.
• Non-volatile: The data stored in the chip remains intact even when power is removed.
• High capacity: The 24LC64-E/MS has a storage capacity of 64 kilobits (8 kilobytes), allowing for ample data storage.

Package

The 24LC64-E/MS is available in a miniature surface mount package (MS) that facilitates easy integration into compact electronic devices.

Essence

The essence of the 24LC64-E/MS lies in its ability to provide reliable and non-volatile data storage in a compact form factor.

Packaging/Quantity

These chips are 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 manufacturer and supplier.

Specifications

• Storage Capacity: 64 kilobits (8 kilobytes)
• Operating Voltage: 2.5V to 5.5V
• Interface: I2C (Inter-Integrated Circuit)
• Maximum Clock Frequency: 400 kHz
• Write Cycle Time: 5 ms (maximum)
• Data Retention: 200 years (minimum)

Detailed Pin Configuration

The 24LC64-E/MS chip has a total of 8 pins, each serving a specific purpose. The pin configuration is as follows:

1. VCC: Power supply voltage 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: Address bit 0 (used for device addressing)
6. A1: Address bit 1 (used for device addressing)
7. A2: Address bit 2 (used for device addressing)
8. GND: Ground reference

Functional Features

• Random access: The 24LC64-E/MS allows for direct access to any memory location, enabling efficient data retrieval and modification.
• Sequential read/write: This chip supports sequential read and write operations, allowing for faster data transfer.
• Hardware write protection: The WP pin can be used to enable or disable write operations, providing an additional layer of data security.

Advantages and Disadvantages

Advantages

• Compact form factor enables integration into space-constrained devices.
• High storage capacity provides ample room for data storage.
• Electrically erasable and programmable nature allows for easy data modification.
• Non-volatile memory ensures data retention even during power loss.

Disadvantages

• Limited maximum clock frequency may impact data transfer speed in certain applications.
• Write cycle time of 5 ms may introduce latency in real-time systems.

Working Principles

The 24LC64-E/MS utilizes electrically controlled floating gate transistors to store and retrieve data. When writing data, the chip applies a high voltage to the floating gate, which traps electrons and alters the transistor's conductive properties. To erase data, a higher voltage is applied to remove the trapped electrons, restoring the transistor's original state.

Detailed Application Field Plans

The 24LC64-E/MS finds applications in various fields, including but not limited to:

1. Embedded Systems: Used for storing configuration data, firmware updates, and user settings in microcontrollers and embedded systems.
2. Consumer Electronics: Employed in devices like smart TVs, set-top boxes, and gaming consoles for storing user preferences, channel lists, and system parameters.
3. Automotive Industry: Utilized for storing critical data in automotive electronics, such as engine control units (ECUs), infotainment systems, and instrument clusters.
4. Industrial Automation: Integrated into programmable logic controllers (PLCs) and industrial control systems for storing program code, configuration data, and historical logs.

Detailed and Complete Alternative Models

• 24LC32-E/MS: A similar EEPROM chip with a lower storage capacity of 32 kilobits (4 kilobytes).
• 24LC128-E/MS: An alternative model with a higher storage capacity of 128 kilobits (16 kilobytes).
• 24LC256-E/MS: Another option offering even greater storage capacity of 256 kilobits (32 kilobytes).

These alternative models provide flexibility in