24LC64T-I/SN

Product Overview

Category

The 24LC64T-I/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

• Electrically erasable: The 24LC64T-I/SN 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: This model has a storage capacity of 64 kilobits (8 kilobytes).
• Low power consumption: The chip operates at low power levels, making it suitable for battery-powered devices.
• I2C interface: It utilizes the Inter-Integrated Circuit (I2C) protocol for communication with other devices.

Package

The 24LC64T-I/SN is available in an 8-pin surface mount package (SN), which allows for easy integration onto circuit boards.

Essence

The essence of the 24LC64T-I/SN is its ability to provide reliable and non-volatile data storage in a compact and energy-efficient form factor.

Packaging/Quantity

These chips are typically sold in reels or tubes, with each reel or tube containing a specific quantity of chips. The exact quantity may vary depending on the manufacturer and supplier.

Specifications

• Storage Capacity: 64 kilobits (8 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 24LC64T-I/SN has a total of 8 pins, each serving a specific purpose:

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 to enable/disable write operations
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 reference

Functional Features

• Random access: The chip allows for random access to any memory location, enabling efficient data retrieval.
• Byte-level read/write: Data can be read from or written to the chip at the byte level, providing flexibility in data manipulation.
• Hardware write protection: The WP pin can be used to protect the stored data from accidental overwriting.
• Low standby current: The chip consumes minimal power when not actively performing read or write operations.

Advantages and Disadvantages

Advantages

• High storage capacity for its compact size
• Low power consumption, suitable for battery-powered devices
• Easy integration onto circuit boards due to surface mount package
• Reliable and non-volatile data storage

Disadvantages

• Limited storage capacity compared to other memory technologies (e.g., flash memory)
• Slower write speeds compared to some other memory technologies

Working Principles

The 24LC64T-I/SN utilizes an electrically erasable floating-gate transistor technology. It stores data by trapping electrical charges in the floating gate, which can be later removed or added through electronic programming. This allows for non-volatile data storage that remains intact even when power is removed.

Detailed Application Field Plans

The 24LC64T-I/SN finds applications in various fields, including:

1. Embedded systems: Used for storing configuration data, firmware updates, and user settings in microcontroller-based systems.
2. Consumer electronics: Employed in devices like smart TVs, set-top boxes, and audio equipment to store user preferences and system configurations.
3. Automotive industry: Utilized for storing critical data in automotive electronic control units (ECUs), such as vehicle identification information and calibration data.
4. Industrial automation: Used in programmable logic controllers (PLCs) and industrial sensors for storing calibration data, device parameters, and event logs.

Detailed and Complete Alternative Models

• 24LC32A: A lower capacity version with 32 kilobits (4 kilobytes) of storage.
• 24LC128: A higher capacity version with 128 kilobits (16 kilobytes) of storage.
• 24LC256: An even higher capacity version with 256 kilobits (32 kilobytes) of storage.

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

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