AT24C128-10PI-2.7

Product Overview

Category

AT24C128-10PI-2.7 belongs to the category of EEPROM (Electrically Erasable Programmable Read-Only Memory) chips.

Use

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

Characteristics

• Non-volatile: Retains data even when power is removed.
• Electrically erasable: Allows for easy modification of stored data.
• Programmable: Can be written and rewritten multiple times.
• High storage capacity: The AT24C128-10PI-2.7 has a capacity of 128 kilobits (16 kilobytes).
• Low power consumption: Operates at a low voltage and consumes minimal power.

Package

The AT24C128-10PI-2.7 is available in a 8-pin DIP (Dual Inline Package) format.

Essence

The essence of this product lies in its ability to provide reliable and non-volatile storage for critical data in electronic systems.

Packaging/Quantity

The AT24C128-10PI-2.7 is typically packaged in tubes or reels, with a quantity of 25 pieces per tube/reel.

Specifications

• Operating Voltage: 2.7V - 5.5V
• Maximum Clock Frequency: 1 MHz
• Write Cycle Time: 10 ms (maximum)
• Data Retention: 100 years (minimum)
• Endurance: 1 million write cycles (minimum)

Detailed Pin Configuration

The AT24C128-10PI-2.7 has the following pin configuration:

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

Advantages and Disadvantages

Advantages

• Non-volatile storage ensures data retention even during power loss.
• Electrically erasable and programmable, providing flexibility for data modification.
• High storage capacity suitable for various applications.
• Low power consumption extends battery life in portable devices.

Disadvantages

• Relatively slower write cycle time compared to other memory technologies.
• Limited endurance of write cycles may require careful management in high-write applications.

Working Principles

The AT24C128-10PI-2.7 utilizes an array of floating-gate transistors to store data. When writing data, an electric charge is applied to the floating gate, altering its electrical characteristics. This charge can be removed during the erase process, allowing the transistor to return to its original state. Reading data involves sensing the electrical state of each transistor in the array.

Detailed Application Field Plans

The AT24C128-10PI-2.7 finds applications in various fields, including: 1. Embedded systems: Used for storing configuration data, firmware updates, and calibration values. 2. Industrial automation: Stores critical parameters, device settings, and event logs. 3. Automotive electronics: Used for storing vehicle-specific data, such as mileage and diagnostic information. 4. Consumer electronics: Utilized in devices like smart TVs, set-top boxes, and gaming consoles for data storage and firmware updates.

Detailed and Complete Alternative Models

1. AT24C01A: 1 kilobit (128 bytes) capacity, compatible with the I2C interface.
2. AT24C256C: 256 kilobits (32 kilobytes) capacity, higher storage density.
3. AT25010A: 1 kilobit (128 bytes) capacity, SPI interface compatibility.

These alternative models offer different capacities and interface options to suit specific application requirements.

In conclusion, the AT24C128-10PI-2.7 is an EEPROM chip that provides reliable non-volatile storage for electronic devices. With its high storage capacity, low power consumption, and byte-level operations, it offers flexibility and durability. While it may have slower write cycle times and limited endurance, it finds applications in various fields such as embedded systems, industrial automation, automotive electronics, and consumer electronics. Alternative models with varying capacities and interfaces are available to cater to different needs.