24LC64T-E/OT

Product Overview

Category

The 24LC64T-E/OT 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 24LC64T-E/OT can be erased and reprogrammed electronically, making it convenient for updating stored data.
• Non-volatile: The chip retains its stored data even when power is removed.
• High storage capacity: The 24LC64T-E/OT has a storage capacity of 64 kilobits (8 kilobytes).
• Low power consumption: It operates at low power levels, making it suitable for battery-powered devices.
• I2C interface: The chip uses the I2C (Inter-Integrated Circuit) protocol for communication with other devices.

Package

The 24LC64T-E/OT is available in an 8-pin SOIC (Small Outline Integrated Circuit) package.

Essence

The essence of the 24LC64T-E/OT is its ability to store and retrieve data reliably in a compact and low-power form factor.

Packaging/Quantity

This chip is typically sold in reels or tubes, with a quantity of 2500 units per reel or tube.

Specifications

• Storage Capacity: 64 kilobits (8 kilobytes)
• Operating Voltage: 1.7V to 5.5V
• Operating Temperature Range: -40°C to +85°C
• Write Cycle Endurance: 1 million cycles
• Data Retention: 200 years

Detailed Pin Configuration

The 24LC64T-E/OT has the following pin configuration:

1. A0: Address Input
2. A1: Address Input
3. A2: Address Input
4. VSS: Ground
5. SDA: Serial Data Input/Output
6. SCL: Serial Clock Input
7. WP: Write Protect
8. VCC: Power Supply

Functional Features

• Random access: The chip allows for random access to any memory location, enabling efficient data retrieval.
• Byte-level read and write operations: It supports byte-level read and write operations, providing flexibility in data manipulation.
• Hardware write protection: The WP pin can be used to protect the stored data from accidental modification.
• Low standby current: The chip consumes minimal power in standby mode, prolonging battery life.

Advantages and Disadvantages

Advantages

• High storage capacity for its compact size
• Low power consumption
• Reliable data retention
• Easy integration with I2C-compatible devices
• Cost-effective solution for non-volatile data storage

Disadvantages

• Limited storage capacity compared to other memory technologies
• Slower write speeds compared to some other memory types

Working Principles

The 24LC64T-E/OT utilizes a floating gate transistor technology to store data. When data is written, an electric charge is trapped in the floating gate, representing a logical "1" or "0". This charge can be later detected and read by the chip. Erasing the data involves removing the trapped charge from the floating gate, allowing new data to be written.

Detailed Application Field Plans

The 24LC64T-E/OT finds applications in various fields, including:

1. Embedded systems: Used for storing configuration settings, calibration data, and firmware updates in microcontroller-based systems.
2. Automotive electronics: Employed for storing vehicle-specific data, such as mileage, user preferences, and diagnostic information.
3. Industrial automation: Utilized for storing parameters, sensor calibration data, and event logs in industrial control systems.
4. Consumer electronics: Integrated into devices like smart TVs, set-top boxes, and gaming consoles to store user preferences, application data, and firmware updates.

Detailed and Complete Alternative Models

1. 24LC32A: A lower-capacity version of the same EEPROM chip, with 32 kilobits (4 kilobytes) of storage.
2. 24LC256: A higher-capacity version of the same EEPROM chip, with 256 kilobits (32 kilobytes) of storage.
3. AT24C64: An alternative EEPROM chip from Atmel, offering similar specifications and functionality.

In conclusion, the 24LC64T-E/OT is a versatile EEPROM chip that provides reliable non-volatile data storage in various electronic devices. With its high storage capacity, low power consumption, and easy integration, it serves as an efficient solution for storing critical information in a wide range of applications.