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AT28C64B-15SU
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AT28C64B-15SU

Product Overview

Category

The AT28C64B-15SU 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
  • Low power consumption
  • High reliability

Package

The AT28C64B-15SU is typically available in a surface-mount package.

Essence

The essence of this product lies in its ability to store and retain data without requiring a constant power supply.

Packaging/Quantity

It is commonly packaged in reels or trays, with varying quantities based on customer requirements.

Specifications

  • Capacity: 64 kilobits (8 kilobytes)
  • Voltage Range: 4.5V to 5.5V
  • Speed: 150ns access time
  • Interface: Parallel

Detailed Pin Configuration

The AT28C64B-15SU has a standard 28-pin configuration, including address pins, data input/output pins, control pins, and power supply pins.

Functional Features

  • Byte-wide random access
  • Fast single-byte or full chip erase
  • Low-power standby operation
  • Data retention: 10 years minimum

Advantages and Disadvantages

Advantages

  • Non-volatile storage
  • Electrically erasable and reprogrammable
  • Low power consumption
  • High reliability and endurance

Disadvantages

  • Limited capacity compared to modern storage technologies
  • Slower access times compared to newer memory technologies

Working Principles

The AT28C64B-15SU utilizes a floating gate transistor technology to store and retrieve data. When programmed, charge is trapped in the floating gate, representing a binary state. Erasing the memory involves removing the charge from the floating gate, allowing new data to be written.

Detailed Application Field Plans

The AT28C64B-15SU is widely used in embedded systems, industrial control systems, automotive electronics, and other applications requiring non-volatile memory for program storage and data logging.

Detailed and Complete Alternative Models

  • AT28C256: Higher capacity EEPROM chip
  • AT24C02: Smaller capacity EEPROM chip
  • AT45DB642D: Serial flash memory with similar capacity

In conclusion, the AT28C64B-15SU is a reliable and versatile EEPROM chip suitable for various electronic applications that require non-volatile memory storage.

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技術ソリューションにおける AT28C64B-15SU 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 AT28C64B-15SU?

    • The AT28C64B-15SU is a 64K (8K x 8) Parallel EEPROM with a 150ns speed grade.

  2. What are the typical applications of the AT28C64B-15SU?

    • It is commonly used in embedded systems, industrial control systems, and other electronic devices that require non-volatile memory for data storage.

  3. What is the operating voltage range for the AT28C64B-15SU?

    • The operating voltage range is typically 4.5V to 5.5V.

  4. How is data accessed from the AT28C64B-15SU?

    • Data is accessed through a parallel interface, allowing for fast read and write operations.

  5. What is the maximum frequency for the clock input of the AT28C64B-15SU?

    • The maximum clock frequency is typically 33 MHz.

  6. Can the AT28C64B-15SU be used for code storage in microcontroller-based systems?

    • Yes, it can be used for storing program code in microcontroller-based systems.

  7. What is the endurance of the AT28C64B-15SU?

    • It typically has an endurance of at least 10,000 write cycles.

  8. Does the AT28C64B-15SU support hardware data protection?

    • Yes, it supports hardware data protection features to prevent accidental writes.

  9. What are the package options available for the AT28C64B-15SU?

    • It is available in various package options, including PDIP, PLCC, and SOIC.

  10. Is the AT28C64B-15SU RoHS compliant?

    • Yes, it is RoHS compliant, making it suitable for use in environmentally conscious designs.