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AT28C64B-15PU
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AT28C64B-15PU

1. Product Overview

Category

The AT28C64B-15PU belongs to the category of electrically erasable and 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 programmable
  • Low power consumption
  • High reliability
  • Wide operating voltage range

Package

The AT28C64B-15PU is typically available in a 28-pin DIP (Dual In-line Package) or similar package.

Essence

The essence of the AT28C64B-15PU lies in its ability to store and retain data without requiring continuous power supply.

Packaging/Quantity

It is commonly packaged in tubes or trays and is available in varying quantities depending on the manufacturer's specifications.

2. Specifications

  • Capacity: 64 kilobits (8 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

3. Detailed Pin Configuration

The AT28C64B-15PU has a standard 28-pin configuration with specific pins dedicated to address lines, data input/output, control signals, and power supply connections.

4. Functional Features

  • Electrically erasable and reprogrammable
  • Low power consumption
  • High-speed access
  • Reliable data retention
  • Compatibility with various interface standards

5. Advantages and Disadvantages

Advantages

  • Non-volatile storage
  • Flexible and reprogrammable
  • Low power consumption
  • High reliability
  • Wide operating voltage range

Disadvantages

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

6. Working Principles

The AT28C64B-15PU utilizes a combination of floating gate transistors and control circuitry to store and retrieve data. When programmed, charge is trapped in the floating gate, altering the transistor's behavior and storing the desired data.

7. Detailed Application Field Plans

The AT28C64B-15PU finds applications in various fields including: - Embedded systems - Industrial automation - Automotive electronics - Communication equipment - Consumer electronics

8. Detailed and Complete Alternative Models

Some alternative models to the AT28C64B-15PU include: - AT28C64B-15SU - AT28C64B-20PU - AT28C64B-25PU - AT28C64B-30PU

In conclusion, the AT28C64B-15PU is a versatile EEPROM chip with a wide range of applications due to its non-volatile nature, low power consumption, and high reliability. While it may have some limitations in terms of endurance and access times, it remains a popular choice for data storage in various electronic devices.

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技術ソリューションにおける AT28C64B-15PU 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-15PU?

    • The AT28C64B-15PU is a 64K (8K x 8) Parallel EEPROM with a 150ns access time.

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

    • It is commonly used in embedded systems, industrial control systems, and other applications requiring non-volatile memory storage.

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

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

  4. How is data written to the AT28C64B-15PU?

    • Data is typically written to the AT28C64B-15PU using a parallel interface and specific write enable sequences.

  5. What is the maximum frequency at which the AT28C64B-15PU can operate?

    • The maximum operating frequency is typically around 33 MHz.

  6. Can the AT28C64B-15PU be used in automotive applications?

    • Yes, it can be used in automotive applications, provided it meets the necessary environmental and operational requirements.

  7. What are the typical endurance and retention characteristics of the AT28C64B-15PU?

    • The typical endurance is around 10,000 write cycles and the data retention is typically greater than 10 years.

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

    • Yes, it often includes hardware data protection features such as write protection and block locking.

  9. What are the recommended operating conditions for the AT28C64B-15PU?

    • Typical operating conditions include a temperature range of -40°C to 85°C and a supply voltage within the specified range.

  10. Are there any known compatibility issues when interfacing the AT28C64B-15PU with microcontrollers or other devices?

    • Compatibility issues are rare, but it's important to verify the electrical and timing compatibility with the specific microcontroller or device being used.