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AT28C256-15SA

AT28C256-15SA

Product Overview

Category

The AT28C256-15SA 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: Retains stored data even when power is removed.
  • Electrically erasable: Can be reprogrammed without removing from the circuit.
  • High reliability: Offers reliable data storage and retrieval.
  • Low power consumption: Consumes minimal power during operation.

Package

The AT28C256-15SA is typically available in a 28-pin dual in-line package (DIP).

Essence

The essence of the AT28C256-15SA lies in its ability to store and retrieve data reliably in electronic systems.

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 (32 kilobytes)
  • Access Time: 150 nanoseconds
  • Supply Voltage: 4.5V to 5.5V
  • Operating Temperature: -40°C to 85°C
  • Endurance: 100,000 write cycles

Detailed Pin Configuration

The AT28C256-15SA 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 data access
  • Fast programming and erasing
  • Hardware and software data protection
  • Low power consumption in standby mode

Advantages and Disadvantages

Advantages

  • Reliable non-volatile data storage
  • Electrically erasable and reprogrammable
  • Low power consumption
  • Fast access time

Disadvantages

  • Limited endurance for write cycles
  • Relatively higher cost compared to other memory technologies

Working Principles

The AT28C256-15SA operates by storing data using floating gate transistors, which can be electrically programmed and erased. When data needs to be written or erased, specific voltage levels are applied to the memory cells, altering the charge on the floating gates to represent the desired data.

Detailed Application Field Plans

The AT28C256-15SA finds applications in various fields including: - Embedded systems - Automotive electronics - Industrial control systems - Communication devices - Medical equipment

Detailed and Complete Alternative Models

Some alternative models to the AT28C256-15SA include: - AT29C256-90PC - 24LC256-I/P - M27C256B-12F1

In conclusion, the AT28C256-15SA is a versatile EEPROM chip with reliable data storage capabilities, making it suitable for a wide range of electronic applications.

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Seznam 10 běžných otázek a odpovědí souvisejících s aplikací AT28C256-15SA v technických řešeních

  1. What is the AT28C256-15SA?

    • The AT28C256-15SA is a 32K x 8 low-power, high-performance CMOS EPROM.

  2. What are the key features of the AT28C256-15SA?

    • It features a 150 ns access time, low power consumption, and a 2.7V to 5.5V operating voltage range.

  3. How is the AT28C256-15SA typically used in technical solutions?

    • It is commonly used for program storage in various embedded systems, microcontrollers, and other electronic devices.

  4. What are the typical applications of the AT28C256-15SA?

    • It is often used in industrial control systems, automotive electronics, consumer electronics, and communication equipment.

  5. What are the advantages of using the AT28C256-15SA in technical solutions?

    • Its low power consumption, high performance, and wide operating voltage range make it suitable for a variety of applications.

  6. What are the programming considerations for the AT28C256-15SA?

    • It requires a specific EPROM programmer to write data into the memory cells.

  7. Can the AT28C256-15SA be reprogrammed?

    • No, it is a one-time programmable (OTP) EPROM and cannot be electrically erased or reprogrammed.

  8. What are the environmental considerations for the AT28C256-15SA?

    • It should be stored and operated within the specified temperature and humidity ranges to ensure proper functionality.

  9. Are there any special handling requirements for the AT28C256-15SA?

    • It should be handled with ESD precautions to prevent damage from electrostatic discharge.

  10. Where can I find detailed technical specifications and application notes for the AT28C256-15SA?

    • Detailed information can be found in the manufacturer's datasheet and application notes, which are available on their official website.