AT24C21-10PI-2.5

Product Overview

Category

AT24C21-10PI-2.5 belongs to the category of EEPROM (Electrically Erasable Programmable Read-Only Memory) integrated circuits.

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 memory: The stored data remains even when power is removed.
• Electrically erasable and programmable: Allows for easy modification of stored data.
• High reliability: Provides long-term data retention and endurance.
• Low power consumption: Operates efficiently with minimal power requirements.

Package

AT24C21-10PI-2.5 is available in a 8-pin DIP (Dual Inline Package) format.

Essence

The essence of AT24C21-10PI-2.5 lies in its ability to store and retrieve digital information reliably and efficiently.

Packaging/Quantity

This product is typically packaged in reels or tubes, with a quantity of 250 units per package.

Specifications

• Memory capacity: 2.5 kilobits (320 bytes)
• Operating voltage: 1.7V to 5.5V
• Operating temperature range: -40°C to +85°C
• Write cycle endurance: 1 million cycles
• Data retention: Up to 100 years

Pin Configuration

The AT24C21-10PI-2.5 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.
• I2C interface: Supports the widely-used I2C (Inter-Integrated Circuit) communication protocol.
• Hardware write protection: The WP pin can be used to protect the memory from accidental writes.

Advantages and Disadvantages

Advantages

• High reliability and endurance
• Low power consumption
• Easy to use and integrate into various electronic systems
• Compact package size

Disadvantages

• Limited storage capacity compared to other memory technologies
• Slower write speeds compared to some other memory types

Working Principles

AT24C21-10PI-2.5 utilizes EEPROM technology, which allows for electrically erasing and reprogramming of data. It consists of a grid of memory cells that can be individually addressed and modified using electrical signals. The data is stored in floating gate transistors, which retain their charge even when power is removed.

Detailed Application Field Plans

AT24C21-10PI-2.5 finds applications in various fields, including: 1. Microcontroller-based systems 2. Industrial automation 3. Automotive electronics 4. Consumer electronics 5. Medical devices

Alternative Models

Some alternative models to AT24C21-10PI-2.5 include: - AT24C01A - AT24C02 - AT24C04 - AT24C08

These models offer different memory capacities and features, allowing users to choose the most suitable option for their specific requirements.

In conclusion, AT24C21-10PI-2.5 is a reliable and versatile EEPROM integrated circuit that provides non-volatile data storage for a wide range of electronic devices. Its high reliability, low power consumption, and ease of use make it a popular choice in various industries.