AT24C32A-10PU-2.7

Overview

The AT24C32A-10PU-2.7 is a product belonging to the category of electrically erasable programmable read-only memory (EEPROM). It is widely used in various electronic devices for data storage and retrieval. This entry provides a comprehensive overview of the AT24C32A-10PU-2.7, including its characteristics, package details, specifications, pin configuration, functional features, advantages and disadvantages, working principles, application field plans, and alternative models.

Category

AT24C32A-10PU-2.7 falls under the category of EEPROMs, which are non-volatile memory devices capable of storing and retrieving digital information even when power is removed.

Use

The primary use of AT24C32A-10PU-2.7 is to store and retrieve data in electronic systems. It is commonly employed in microcontrollers, embedded systems, and other electronic devices where non-volatile memory is required.

Characteristics

• Non-volatile: The stored data remains intact even when power is disconnected.
• High storage capacity: The AT24C32A-10PU-2.7 offers a storage capacity of 32 kilobits (4 kilobytes).
• Low power consumption: It operates at a low voltage of 2.7V and consumes minimal power during read and write operations.
• I2C interface: The device communicates using the I2C protocol, allowing for easy integration into existing systems.
• High endurance: The AT24C32A-10PU-2.7 can withstand a large number of erase/write cycles, ensuring long-term reliability.

Package and Quantity

The AT24C32A-10PU-2.7 is available in an 8-pin DIP (Dual Inline Package) format. Each package contains a single AT24C32A-10PU-2.7 chip.

Specifications

• Storage capacity: 32 kilobits (4 kilobytes)
• Operating voltage: 2.7V to 5.5V
• I2C bus compatible
• Maximum clock frequency: 400 kHz
• Write cycle time: 5 ms (maximum)
• Data retention: 100 years (minimum)

Pin Configuration

The AT24C32A-10PU-2.7 features an 8-pin DIP package with the following pin configuration:

1. A0: Chip address input bit 0
2. A1: Chip address input bit 1
3. A2: Chip 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: The AT24C32A-10PU-2.7 allows random access to any memory location, enabling efficient data retrieval.
• Byte-wise operations: It supports byte-level read and write operations, providing flexibility in data manipulation.
• Hardware write protection: The WP pin can be used to protect the memory from accidental writes, ensuring data integrity.
• Software-controlled write protection: The device supports software-controlled write protection, allowing for selective write enable/disable operations.

Advantages

• High storage capacity for its compact size
• Low power consumption, making it suitable for battery-powered devices
• Easy integration into existing systems due to the I2C interface
• Long-term data retention ensures reliability
• Support for both hardware and software write protection enhances data security

Disadvantages

• Limited storage capacity compared to other non-volatile memory options
• Relatively slower write cycle time compared to some alternatives
• Vulnerable to electromagnetic interference due to its non-shielded package

Working Principles

The AT24C32A-10PU-2.7 utilizes EEPROM technology, which relies on the trapping and releasing of electric charges within a floating gate transistor structure. This allows for the storage and retrieval of digital information in a non-volatile manner.

Application Field Plans

The AT24C32A-10PU-2.7 finds applications in various fields, including: 1. Consumer electronics: Used in smart TVs, set-top boxes, and audio systems for storing user preferences and settings. 2. Industrial automation: Employed in programmable logic controllers (PLCs) and industrial control systems for data logging and configuration storage. 3. Automotive electronics: Integrated into vehicle systems for storing critical data such as mileage, fault codes, and calibration values. 4. Medical devices: Utilized in medical equipment for storing patient data, device configurations, and firmware updates.

Alternative Models

For those seeking alternative options, the following models provide similar functionality to the AT24C32A-10PU-2.7: 1. AT24C64