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AT28HC256-90JA

AT28HC256-90JA

Product Overview

Category

AT28HC256-90JA belongs to the category of electrically erasable programmable read-only memory (EEPROM).

Use

It is used for storing and retrieving data in electronic devices, such as microcontrollers, computers, and other digital systems.

Characteristics

  • Non-volatile memory
  • Electrically erasable and reprogrammable
  • High-speed operation
  • Low power consumption

Package

The AT28HC256-90JA is available in a 32-pin PLCC (Plastic Leaded Chip Carrier) package.

Essence

The essence of AT28HC256-90JA lies in its ability to provide non-volatile memory storage with high-speed operation and low power consumption.

Packaging/Quantity

The AT28HC256-90JA is typically packaged in tubes or trays and is available in various quantities depending on the manufacturer's specifications.

Specifications

  • Capacity: 256 kilobits
  • Voltage: 5V
  • Speed: 90 nanoseconds
  • Interface: Parallel

Detailed Pin Configuration

The detailed pin configuration of AT28HC256-90JA includes 32 pins, which are allocated for address lines, data input/output, control signals, and power supply connections.

Functional Features

  • Electrically erasable and reprogrammable
  • High-speed access time
  • Low power consumption
  • Reliable data retention

Advantages

  • Non-volatile memory
  • Fast access time
  • Low power consumption
  • High reliability

Disadvantages

  • Limited capacity compared to other memory technologies
  • Higher cost per bit compared to some other memory types

Working Principles

AT28HC256-90JA operates by using electrical signals to write, read, and erase data from its memory cells. When data is written or erased, the electrical charge in the memory cells is altered, allowing for non-volatile storage of information.

Detailed Application Field Plans

AT28HC256-90JA is commonly used in applications requiring non-volatile memory storage with relatively small capacity but fast access times. Some specific application fields include: - Embedded systems - Industrial control systems - Automotive electronics - Consumer electronics

Detailed and Complete Alternative Models

Some alternative models to AT28HC256-90JA include: - AT29C256 - Similar EEPROM with slightly different specifications - 27C256 - UV-erasable EPROM with similar capacity - W27C256 - Electrically erasable flash memory with comparable characteristics

In conclusion, AT28HC256-90JA is a versatile EEPROM device that offers reliable non-volatile memory storage with fast access times and low power consumption. Its use spans across various electronic applications, making it a valuable component in digital systems.

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Seznam 10 běžných otázek a odpovědí souvisejících s aplikací AT28HC256-90JA v technických řešeních

  1. What is the AT28HC256-90JA?

    • The AT28HC256-90JA is a high-speed, low-power Electrically Erasable and Programmable Read-Only Memory (EEPROM) designed for use in various electronic applications.

  2. What are the key features of the AT28HC256-90JA?

    • The AT28HC256-90JA features a 256K bit array organized as 32K by 8 bits, operates at a high speed of 90ns, and offers low power consumption.

  3. In what technical solutions can the AT28HC256-90JA be used?

    • The AT28HC256-90JA can be used in embedded systems, automotive electronics, industrial control systems, and other applications requiring non-volatile memory storage.

  4. How does the AT28HC256-90JA interface with microcontrollers or other devices?

    • The AT28HC256-90JA interfaces using standard parallel communication protocols, making it compatible with a wide range of microcontrollers and other devices.

  5. What are the voltage requirements for the AT28HC256-90JA?

    • The AT28HC256-90JA typically operates at a voltage range of 4.5V to 5.5V, making it suitable for many common electronic systems.

  6. Can the AT28HC256-90JA withstand harsh environmental conditions?

    • Yes, the AT28HC256-90JA is designed to withstand extended temperature ranges and is suitable for use in rugged environments.

  7. What are the programming and erasing methods for the AT28HC256-90JA?

    • The AT28HC256-90JA supports in-circuit programming and can be electrically erased, offering flexibility in system integration and maintenance.

  8. Does the AT28HC256-90JA have any security features?

    • The AT28HC256-90JA offers hardware data protection features to prevent unauthorized access and ensure data integrity.

  9. Are there any specific design considerations when using the AT28HC256-90JA?

    • Designers should consider signal integrity, power supply decoupling, and proper timing constraints to ensure reliable operation of the AT28HC256-90JA in their applications.

  10. Where can I find detailed technical specifications and application notes for the AT28HC256-90JA?

    • Detailed technical specifications and application notes for the AT28HC256-90JA can be found on the manufacturer's website or in the product datasheet.