AT24HC04B-TH-B

Product Overview

Category

AT24HC04B-TH-B belongs to the category of electrically erasable programmable read-only memory (EEPROM) chips.

Use

This chip is commonly used for storing and retrieving small amounts of data in electronic devices. It provides non-volatile memory storage, meaning the data remains even when power is removed.

Characteristics

• Electrically erasable: The stored data can be erased and reprogrammed electronically.
• Non-volatile: Data remains intact even without power supply.
• Small form factor: Compact size allows for easy integration into various electronic devices.
• High endurance: Can withstand a large number of write and erase cycles.
• Low power consumption: Operates efficiently with minimal power requirements.

Package

AT24HC04B-TH-B is available in a standard 8-pin dual in-line package (DIP), which facilitates easy installation and replacement.

Essence

The essence of AT24HC04B-TH-B lies in its ability to provide reliable and flexible data storage solutions for electronic devices.

Packaging/Quantity

This chip is typically packaged in reels or tubes, containing a specific quantity per package. The exact packaging and quantity may vary depending on the manufacturer and supplier.

Specifications

• Memory capacity: 4 kilobits (512 bytes)
• Interface: I2C (Inter-Integrated Circuit)
• Operating voltage: 1.7V to 5.5V
• Operating temperature range: -40°C to +85°C
• Write endurance: 1 million write cycles
• Data retention: 100 years

Detailed Pin Configuration

The AT24HC04B-TH-B chip has the following pin configuration:

1. A0: Address input bit 0
2. A1: Address input bit 1
3. A2: Address input bit 2
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 for reading and writing data at any memory location.
• Byte-level operations: Enables individual byte read and write operations.
• Hardware write protection: The WP pin can be used to protect the stored data from accidental writes.
• Page write mode: Supports faster write operations by allowing multiple bytes to be written in a single operation.

Advantages and Disadvantages

Advantages

• Compact size and easy integration into electronic devices.
• High endurance and long data retention.
• Low power consumption, making it suitable for battery-powered devices.
• Flexible interface (I2C) for easy communication with microcontrollers.

Disadvantages

• Limited storage capacity compared to other memory technologies.
• Slower write speed compared to some other memory types.
• Vulnerable to electromagnetic interference (EMI) due to its small form factor.

Working Principles

AT24HC04B-TH-B utilizes electrically erasable programmable read-only memory technology. It consists of a grid of memory cells that can be individually programmed or erased using electrical signals. The chip communicates with the host device through the I2C interface, enabling data transfer between the memory and the microcontroller.

Detailed Application Field Plans

AT24HC04B-TH-B finds applications in various electronic devices, including but not limited to: - Consumer electronics: Smartphones, tablets, digital cameras, and portable media players. - Automotive systems: Engine control units, infotainment systems, and instrument clusters. - Industrial equipment: Programmable logic controllers, data loggers, and measurement instruments. - Medical devices: Patient monitoring systems, medical imaging equipment, and diagnostic devices.

Detailed and Complete Alternative Models

• AT24HC02B-TH-B: 2 kilobits (256 bytes) capacity.
• AT24HC08B-TH-B: 8 kilobits (1024 bytes) capacity.
• AT24HC16B-TH-B: 16 kilobits (2048 bytes) capacity.
• AT24HC32B-TH-B: 32 kilobits (4096 bytes) capacity.

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

In conclusion, AT24HC04B-TH-B is a compact and versatile EEPROM chip that provides reliable data storage solutions for a wide range of electronic devices. Its electrically erasable nature, non-volatile memory, and low power consumption make it an ideal choice for various applications. However, its limited storage capacity and susceptibility to EMI should be considered when selecting this chip for a particular project.