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AT28C256-15JA

AT28C256-15JA

Product Overview

Category

The AT28C256-15JA 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, including microcontrollers, computers, and consumer electronics.

Characteristics

  • Non-volatile memory
  • Electrically erasable and reprogrammable
  • Low power consumption
  • High reliability and endurance
  • Wide operating voltage range

Package

The AT28C256-15JA is typically available in a 28-pin JEDEC standard package.

Essence

The essence of the AT28C256-15JA lies in its ability to store and retain data without requiring a continuous power supply.

Packaging/Quantity

The AT28C256-15JA is commonly packaged in tubes or trays and is available in various quantities depending on the manufacturer's specifications.

Specifications

  • Capacity: 256 kilobits (32 kilobytes)
  • Access Time: 150 nanoseconds
  • Operating Voltage: 4.5V to 5.5V
  • Standby Current: 100μA (max)
  • Operating Temperature: -40°C to 85°C
  • Endurance: 10,000 erase/write cycles

Detailed Pin Configuration

The AT28C256-15JA has a 28-pin configuration with specific pins dedicated to address lines, data input/output, control signals, and power supply connections.

Functional Features

  • Byte-wide random access
  • Fast programming and erasing
  • Data retention without power
  • Automatic page write operation
  • Hardware and software data protection

Advantages and Disadvantages

Advantages

  • Non-volatile storage
  • Low power consumption
  • High reliability
  • Flexible data manipulation

Disadvantages

  • Limited endurance compared to other non-volatile memories
  • Relatively slower access time

Working Principles

The AT28C256-15JA operates by using electrical signals to modify the state of individual memory cells, allowing for both writing and erasing of data without the need for physical intervention.

Detailed Application Field Plans

The AT28C256-15JA is widely used in applications such as: - Embedded systems - Industrial control systems - Automotive electronics - Smart meters - Medical devices

Detailed and Complete Alternative Models

Some alternative models to the AT28C256-15JA include: - AT29C256-90JI - 24LC256-I/P - M24C256-WMN6TP

In conclusion, the AT28C256-15JA is a versatile EEPROM chip that offers reliable non-volatile data storage with flexible usage across various electronic applications.

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技術ソリューションにおける AT28C256-15JA の適用に関連する 10 件の一般的な質問と回答をリストします。

  1. What is the AT28C256-15JA?

    • The AT28C256-15JA is a 256K (32K x 8) EEPROM (Electrically Erasable Programmable Read-Only Memory) with a 150ns access time.

  2. What are the typical applications of the AT28C256-15JA?

    • The AT28C256-15JA is commonly used in embedded systems, industrial control systems, automotive electronics, and various other electronic devices that require non-volatile memory for program or data storage.

  3. What is the operating voltage range of the AT28C256-15JA?

    • The AT28C256-15JA operates within a voltage range of 4.5V to 5.5V.

  4. How is data written to the AT28C256-15JA?

    • Data is written to the AT28C256-15JA using a specific sequence of write commands and voltage levels applied to the control pins.

  5. Can the AT28C256-15JA be reprogrammed?

    • Yes, the AT28C256-15JA is electrically erasable and can be reprogrammed multiple times.

  6. What is the endurance of the AT28C256-15JA?

    • The AT28C256-15JA typically has an endurance of at least 100,000 write/erase cycles.

  7. What is the data retention period of the AT28C256-15JA?

    • The AT28C256-15JA has a typical data retention period of over 10 years.

  8. What is the package type of the AT28C256-15JA?

    • The AT28C256-15JA is available in a 28-pin JEDEC standard PLCC (Plastic Leaded Chip Carrier) package.

  9. Does the AT28C256-15JA have any security features?

    • The AT28C256-15JA does not have built-in security features such as hardware encryption or write protection.

  10. What are the temperature requirements for the AT28C256-15JA?

    • The AT28C256-15JA is designed to operate within a temperature range of -40°C to 85°C.