AT28HC256F-90JC

Product Overview

Category

AT28HC256F-90JC belongs to the category of high-speed, low-power Electrically Erasable Programmable Read-Only Memory (EEPROM) chips.

Use

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

Characteristics

• High-speed operation
• Low power consumption
• Non-volatile memory
• Large storage capacity
• Reliable data retention
• Easy to interface with other electronic components

Package

AT28HC256F-90JC is available in a standard 32-pin PLCC (Plastic Leaded Chip Carrier) package.

Essence

The essence of AT28HC256F-90JC lies in its ability to provide reliable and high-speed non-volatile data storage in electronic devices.

Packaging/Quantity

This product is typically packaged in reels or tubes, with a quantity of 100 units per reel/tube.

Specifications

• Operating Voltage: 2.7V - 5.5V
• Capacity: 256 kilobits (32 kilobytes)
• Access Time: 90 nanoseconds
• Interface: Serial Peripheral Interface (SPI)
• Data Retention: 10 years
• Endurance: 100,000 write cycles

Detailed Pin Configuration

1. Chip Enable (CE)
2. Output Enable (OE)
3. Write Enable (WE)
4. Address Inputs (A0-A14)
5. Data Inputs/Outputs (DQ0-DQ7)
6. Supply Voltage (VCC)
7. Ground (GND)

(Note: The pin configuration may vary depending on the specific package variant.)

Functional Features

• Byte-wise random access
• Page erase and write capability
• Software and hardware protection mechanisms
• Automatic sleep mode for power saving
• High-speed data transfer using SPI interface

Advantages and Disadvantages

Advantages

• High-speed operation allows for quick data access and transfer.
• Low power consumption makes it suitable for battery-powered devices.
• Non-volatile memory ensures data retention even during power loss.
• Large storage capacity accommodates a wide range of applications.
• Easy integration with other electronic components simplifies system design.

Disadvantages

• Limited endurance compared to other non-volatile memory technologies.
• Relatively higher cost per bit compared to some alternative memory options.
• Limited availability in certain package variants.

Working Principles

AT28HC256F-90JC utilizes EEPROM technology, which allows for electrically erasing and reprogramming data. It stores information in floating-gate transistors, which can retain charge even when the power is turned off. The chip's control logic enables reading, writing, and erasing of data through the provided interface.

Detailed Application Field Plans

AT28HC256F-90JC finds applications in various fields, including: 1. Microcontroller-based systems 2. Embedded systems 3. Industrial automation 4. Automotive electronics 5. Medical devices 6. Communication equipment

Detailed and Complete Alternative Models

Some alternative models that offer similar functionality to AT28HC256F-90JC include: 1. AT28C256 - Lower speed variant from the same manufacturer 2. 25LC256 - Serial EEPROM from another manufacturer 3. M93C86 - Microwire EEPROM with comparable specifications

(Note: The list of alternative models may vary based on availability and specific requirements.)

In conclusion, AT28HC256F-90JC is a high-speed, low-power EEPROM chip that provides reliable non-volatile data storage. Its characteristics, specifications, pin configuration, functional features, advantages, and disadvantages make it suitable for a wide range of applications in various industries.