AT24HC04B-PU

Product Overview

Category

AT24HC04B-PU 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

• Non-volatile memory: The AT24HC04B-PU retains stored data even when power is removed.
• High endurance: It can withstand a large number of read and write cycles.
• Low power consumption: The chip operates at low voltage levels, making it energy-efficient.
• Small form factor: The compact package allows for easy integration into different electronic systems.

Package and Quantity

The AT24HC04B-PU is available in a PDIP-8 package, which stands for Plastic Dual In-line Package with 8 pins. It is sold in quantities of one unit per package.

Specifications

• Memory capacity: 4 kilobits (512 bytes)
• Operating voltage: 1.7V to 5.5V
• Operating temperature range: -40°C to +85°C
• Write endurance: 1 million cycles
• Data retention: 100 years

Pin Configuration

The AT24HC04B-PU has a total of 8 pins, each serving a specific function. The pin configuration is as follows:

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

Functional Features

• Random access: Allows reading or writing data at any memory location.
• Byte-level operations: Supports individual byte read and write operations.
• Hardware write protection: The WP pin can be used to protect the memory from accidental writes.
• I2C interface: Utilizes the widely-used I2C protocol for communication.

Advantages

• Compact size and low power consumption make it suitable for portable devices.
• High endurance ensures reliable data storage over an extended period.
• Compatibility with the I2C interface simplifies integration into existing systems.
• Cost-effective solution for non-volatile memory requirements.

Disadvantages

• Limited storage capacity compared to other memory technologies.
• Slower write speeds compared to volatile memory types.
• Vulnerable to electromagnetic interference due to its small form factor.

Working Principles

The AT24HC04B-PU utilizes EEPROM technology, which allows for electrically erasing and reprogramming of data. It stores information in a grid of memory cells, where each cell represents a bit of data. The chip uses a combination of electrical signals and voltage levels to read from or write to specific memory locations.

Application Field Plans

The AT24HC04B-PU finds applications in various fields, including: 1. Embedded systems: Used for storing configuration settings and firmware updates in microcontrollers. 2. Automotive electronics: Enables data storage for vehicle diagnostics and infotainment systems. 3. Industrial automation: Stores calibration data and system parameters in control units. 4. Consumer electronics: Used in smart TVs, set-top boxes, and home appliances for data storage.

Alternative Models

For those seeking alternatives to the AT24HC04B-PU, the following models offer similar functionality: 1. AT24C04: A compatible 4-kilobit EEPROM chip from the same manufacturer. 2. CAT24C04: An alternative 4-kilobit EEPROM chip from a different manufacturer.

In conclusion, the AT24HC04B-PU is a compact and versatile EEPROM chip that provides non-volatile data storage for a wide range of electronic devices. Its high endurance, low power consumption, and compatibility with the I2C interface make it an ideal choice for many applications.

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