24LC04B/SN

Product Overview

Category: Integrated Circuit (IC)

Use: Non-volatile Electrically Erasable Programmable Read-Only Memory (EEPROM)

Characteristics: - Low power consumption - High-speed operation - Wide voltage range - Small package size - High reliability

Package: SOIC (Small Outline Integrated Circuit)

Essence: The 24LC04B/SN is a 4K-bit EEPROM that can be electrically erased and reprogrammed. It is commonly used for storing small amounts of non-volatile data in various electronic devices.

Packaging/Quantity: The 24LC04B/SN is typically sold in reels, with each reel containing a specific quantity of ICs. The exact quantity may vary depending on the manufacturer's specifications.

Specifications

• Memory Size: 4 Kilobits (512 x 8 bits)
• Operating Voltage Range: 1.7V to 5.5V
• Maximum Clock Frequency: 400 kHz
• Write Cycle Time: 5 ms (maximum)
• Data Retention: 200 years (minimum)
• Endurance: 1,000,000 write cycles (minimum)

Pin Configuration

The 24LC04B/SN has a total of 8 pins, which are assigned specific functions as follows:

1. VCC - Power Supply Voltage
2. SDA - Serial Data Input/Output
3. SCL - Serial Clock Input
4. WP - Write Protect
5. VSS - Ground
6. NC - No Connection
7. NC - No Connection
8. NC - No Connection

Functional Features

• Byte-wise Read and Write Operations: The 24LC04B/SN allows individual bytes of data to be read from or written to the memory array.
• Sequential Read: It supports sequential read operations, allowing multiple bytes of data to be read in a single operation.
• Write Protection: The WP pin can be used to protect the memory from accidental writes by disabling write operations.
• Self-timed Write Cycle: The device automatically manages the timing of write cycles, simplifying the programming process.

Advantages and Disadvantages

Advantages: - Low power consumption makes it suitable for battery-powered devices. - High-speed operation allows for efficient data transfer. - Wide voltage range ensures compatibility with various systems. - Small package size saves board space. - High reliability ensures data integrity over long periods.

Disadvantages: - Limited storage capacity compared to other memory technologies. - Relatively slower write cycle time may impact performance in certain applications.

Working Principles

The 24LC04B/SN utilizes an electrically erasable programmable read-only memory (EEPROM) technology. It stores data in a non-volatile manner, meaning the data remains intact even when power is removed. The memory cells are organized into a matrix, with each cell capable of storing one byte of data. Data can be written to or read from the memory using a serial interface.

Detailed Application Field Plans

The 24LC04B/SN finds application in various electronic devices that require non-volatile storage of small amounts of data. Some common application fields include:

1. Consumer Electronics: Used in smart TVs, set-top boxes, and audio/video equipment for storing configuration settings and user preferences.
2. Automotive: Employed in automotive electronics for storing critical data such as mileage, fault codes, and calibration values.
3. Industrial Control Systems: Utilized in industrial automation systems for storing parameters, calibration data, and event logs.
4. Medical Devices: Integrated into medical equipment for storing patient data, device configurations, and firmware updates.

Detailed and Complete Alternative Models

1. 24LC01B/SN: 1K-bit EEPROM with similar features and package.
2. 24LC02B/SN: 2K-bit EEPROM with similar features and package.
3. 24LC08B/SN: 8K-bit EEPROM with similar features and package.

These alternative models offer different memory capacities while maintaining compatibility and similar characteristics to the 24LC04B/SN.

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