AT28HC256-90FM/883-023

Product Overview

Category

The AT28HC256-90FM/883-023 belongs to the category of electrically erasable programmable read-only memory (EEPROM) chips.

Use

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

Characteristics

• Non-volatile memory
• Electrically erasable and reprogrammable
• High-density storage capacity
• Low power consumption

Package

The AT28HC256-90FM/883-023 is typically available in a dual in-line package (DIP) or surface-mount device (SMD) package.

Essence

The essence of this product lies in its ability to store and retain data without the need for continuous power supply, making it suitable for a wide range of applications.

Packaging/Quantity

It is commonly packaged in tubes or trays and is available in varying quantities depending on the manufacturer's specifications.

Specifications

• Capacity: 256 kilobits
• Operating Voltage: 5V
• Access Time: 90ns
• Interface: Parallel
• Endurance: 100,000 write cycles

Detailed Pin Configuration

The AT28HC256-90FM/883-023 typically has 28 pins arranged in a specific configuration to facilitate its integration into electronic circuits. The pinout includes address lines, data input/output lines, control signals, and power supply connections.

Functional Features

• Byte-wide access for easy interfacing with microcontrollers and other digital systems
• Fast access time for efficient data retrieval
• Electrically erasable and reprogrammable, allowing for flexible data storage management
• Low power consumption for energy-efficient operation

Advantages and Disadvantages

Advantages

• Non-volatile storage ensures data retention even during power loss
• High-density storage capacity in a compact form factor
• Electrically erasable and reprogrammable for enhanced flexibility
• Low power consumption contributes to energy efficiency

Disadvantages

• Limited endurance compared to other non-volatile memory technologies
• Slower access times compared to volatile memory technologies

Working Principles

The AT28HC256-90FM/883-023 operates based on the principles of EEPROM technology, utilizing floating gate transistors to store and retrieve data. When data is written, charge is trapped in the floating gate, altering the transistor's conductivity. This allows the device to retain the stored data even when power is removed.

Detailed Application Field Plans

The AT28HC256-90FM/883-023 finds application in various fields including: - Embedded systems - Automotive electronics - Industrial control systems - Consumer electronics - Communication devices

Detailed and Complete Alternative Models

Some alternative models to the AT28HC256-90FM/883-023 include: - AT29C256 - Similar capacity and functionality from the same manufacturer - 24LC256 - I2C interface-based EEPROM with comparable capacity - M27C256B - UV-erasable EPROM with similar capacity and parallel interface

In conclusion, the AT28HC256-90FM/883-023 is a versatile EEPROM chip with high-density storage capacity, non-volatile characteristics, and flexible reprogrammability, making it suitable for a wide range of electronic applications.

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