AT28C256E-25DM/883

Product Overview

Category: Integrated Circuit (IC)

Use: The AT28C256E-25DM/883 is a high-performance electrically erasable and programmable read-only memory (EEPROM) IC. It is commonly used for non-volatile storage of data in various electronic devices.

Characteristics: - High-density storage capacity - Fast read and write operations - Low power consumption - Wide operating voltage range - Durable and reliable

Package: The AT28C256E-25DM/883 is available in a 28-pin Dual Inline Package (DIP), which provides easy integration into circuit boards.

Essence: This EEPROM IC allows for the storage and retrieval of digital information even when the power supply is disconnected. It offers a reliable and efficient solution for non-volatile data storage requirements.

Packaging/Quantity: The AT28C256E-25DM/883 is typically packaged in tubes or trays, with each package containing a specified quantity of ICs.

Specifications

• Storage Capacity: 256 kilobits (32 kilobytes)
• Operating Voltage Range: 4.5V to 5.5V
• Access Time: 250 ns
• Operating Temperature Range: -40°C to +85°C
• Data Retention: 10 years
• Endurance: 100,000 write cycles

Pin Configuration

The AT28C256E-25DM/883 features a 28-pin configuration. The pinout diagram is as follows:

__ __ A16 |1 28| Vcc A12 |2 27| A15 A7 |3 26| A14 A6 |4 25| A13 A5 |5 24| A8 A4 |6 23| A9 A3 |7 22| A11 A2 |8 21| OE# A1 |9 20| CE# A0 |10 19| WE# GND |11 18| I/O0 NC |12 17| I/O1 NC |13 16| I/O2 NC |14 15| I/O3 -- --

Functional Features

• Electrically erasable and programmable memory
• Non-volatile data storage
• High-speed read and write operations
• Low power consumption
• Easy integration into electronic circuits

Advantages and Disadvantages

Advantages: - High-density storage capacity - Fast access time - Wide operating voltage range - Durable and reliable - Suitable for various applications

Disadvantages: - Limited endurance (100,000 write cycles) - Relatively higher cost compared to other memory technologies

Working Principles

The AT28C256E-25DM/883 utilizes a combination of electrically controlled gates and floating gate transistors to store and retrieve digital information. The stored data can be erased and reprogrammed using specific electrical signals.

Detailed Application Field Plans

The AT28C256E-25DM/883 is widely used in various electronic devices and systems, including but not limited to: - Microcontrollers - Embedded systems - Communication equipment - Automotive electronics - Industrial control systems

Alternative Models

Other alternative models that offer similar functionality to the AT28C256E-25DM/883 include: - AT28C256-15PU - AT28C256-20PC - AT28C256-25PI - AT28C256-30DM/883

These alternative models may have different specifications and package options, but they serve the same purpose of non-volatile data storage.

In conclusion, the AT28C256E-25DM/883 is a high-performance EEPROM IC that provides reliable and efficient non-volatile data storage. With its wide range of applications and functional features, it serves as an essential component in various electronic devices and systems.