AT24C04B-TH-B

Product Overview

Category

AT24C04B-TH-B belongs to the category of electrically erasable programmable read-only memory (EEPROM) chips.

Use

This product is primarily used for non-volatile data storage in various electronic devices, such as microcontrollers, computers, and consumer electronics.

Characteristics

• Non-volatile: The stored data remains even when power is removed.
• Electrically erasable: Data can be erased and reprogrammed electronically.
• High reliability: Designed to withstand harsh environmental conditions.
• Low power consumption: Operates efficiently with minimal power requirements.

Package

AT24C04B-TH-B is available in a standard 8-pin dual in-line package (DIP), which facilitates easy integration into circuit boards.

Essence

The essence of AT24C04B-TH-B lies in its ability to provide reliable and non-volatile data storage in electronic devices, ensuring data integrity and persistence.

Packaging/Quantity

This product is typically packaged in reels or tubes, containing a quantity of 2500 units per reel/tube.

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 write cycles
• Data retention: 100 years

Detailed Pin Configuration

1. A0: Chip address input pin
2. A1: Chip address input pin
3. A2: Chip address input pin
4. GND: Ground connection
5. SDA: Serial data input/output
6. SCL: Serial clock input
7. WP: Write protect pin
8. VCC: Power supply voltage

Functional Features

• Random access: Allows reading and writing of specific memory locations.
• Byte-level operations: Enables modification of individual bytes within the memory.
• Hardware write protection: WP pin can be used to protect data from accidental writes.
• I2C interface: Supports serial communication protocol for easy integration with various devices.

Advantages

• Non-volatile storage: Ensures data persistence even during power loss or device shutdown.
• High reliability: Designed to withstand extreme environmental conditions, ensuring data integrity.
• Low power consumption: Operates efficiently, conserving energy in battery-powered devices.
• Compact form factor: The small package size enables space-efficient integration into electronic circuits.

Disadvantages

• Limited storage capacity: With a capacity of 4 kilobits, it may not be suitable for applications requiring large amounts of data storage.
• Relatively slow write speed: EEPROMs generally have slower write speeds compared to other memory technologies.

Working Principles

AT24C04B-TH-B utilizes an electrically erasable floating gate transistor technology. It stores data by trapping charges in the floating gate, which can be erased or programmed using electrical signals. The memory cells are organized in a grid-like structure, allowing random access to individual bytes.

Detailed Application Field Plans

AT24C04B-TH-B finds application in various fields, including: 1. Microcontrollers: Used for storing configuration settings, calibration data, and program code. 2. Computers: Employed in BIOS chips for storing system settings and firmware updates. 3. Consumer electronics: Integrated into devices like smart TVs, set-top boxes, and digital cameras for storing user preferences, settings, and firmware.

Detailed and Complete Alternative Models

1. AT24C01A-TH-B: 1 kilobit EEPROM chip with similar characteristics and package.
2. AT24C08B-TH-B: 8 kilobit EEPROM chip with increased storage capacity.
3. AT24C16B-TH-B: 16 kilobit EEPROM chip with higher storage capacity.

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

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