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AT28BV64B-20JU-T

AT28BV64B-20JU-T

Product Overview

Category

AT28BV64B-20JU-T belongs to the category of non-volatile memory devices.

Use

This product is primarily used for storing and retrieving data in electronic systems. It provides reliable and non-volatile storage capabilities, making it suitable for a wide range of applications.

Characteristics

  • Non-volatile: The AT28BV64B-20JU-T retains stored data even when power is removed.
  • High capacity: This device has a storage capacity of 64 kilobits (8 kilobytes).
  • Fast access time: With a speed of 20 nanoseconds, it offers quick data retrieval.
  • Low power consumption: The AT28BV64B-20JU-T operates efficiently, consuming minimal power.
  • Wide voltage range: It can operate within a voltage range of 2.7V to 5.5V.

Package

The AT28BV64B-20JU-T is available in a standard 32-pin PLCC (Plastic Leaded Chip Carrier) package. This package ensures easy integration into various electronic systems.

Essence

The essence of the AT28BV64B-20JU-T lies in its ability to provide reliable and non-volatile storage for electronic devices. It offers high capacity, fast access times, and low power consumption, making it a versatile choice for many applications.

Packaging/Quantity

The AT28BV64B-20JU-T is typically packaged in reels or tubes, depending on the manufacturer's specifications. The quantity per package varies but is commonly around 250 units.

Specifications

  • Memory Capacity: 64 kilobits (8 kilobytes)
  • Access Time: 20 nanoseconds
  • Operating Voltage Range: 2.7V to 5.5V
  • Package Type: 32-pin PLCC
  • Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The AT28BV64B-20JU-T has a total of 32 pins, each serving a specific purpose. The pin configuration is as follows:

  1. A0: Address Input
  2. A1: Address Input
  3. A2: Address Input
  4. A3: Address Input
  5. A4: Address Input
  6. A5: Address Input
  7. A6: Address Input
  8. A7: Address Input
  9. VSS: Ground
  10. OE: Output Enable
  11. CE: Chip Enable
  12. WE: Write Enable
  13. I/O0: Data Input/Output
  14. I/O1: Data Input/Output
  15. I/O2: Data Input/Output
  16. I/O3: Data Input/Output
  17. I/O4: Data Input/Output
  18. I/O5: Data Input/Output
  19. I/O6: Data Input/Output
  20. I/O7: Data Input/Output
  21. NC: No Connection
  22. NC: No Connection
  23. NC: No Connection
  24. VCC: Power Supply
  25. A8: Address Input
  26. A9: Address Input
  27. A10: Address Input
  28. A11: Address Input
  29. A12: Address Input
  30. A13: Address Input
  31. A14: Address Input
  32. A15: Address Input

Functional Features

The AT28BV64B-20JU-T offers several functional features that enhance its usability and performance:

  • Byte-wise Read/Write: It allows individual bytes within the memory to be read from or written to independently.
  • Software Data Protection: This feature enables the protection of critical data by preventing accidental writes to specific memory locations.
  • Fast Page Write: The device supports fast page write operations, allowing multiple bytes to be written in a single operation, enhancing overall write performance.

Advantages and Disadvantages

Advantages

  • Non-volatile storage: Data retention even without power supply.
  • High capacity: Sufficient storage space for various applications.
  • Fast access time: Quick retrieval of stored data.
  • Low power consumption: Energy-efficient operation.
  • Wide voltage range: Compatible with different electronic systems.

Disadvantages

  • Limited storage capacity compared to other memory devices.
  • Relatively slower write speed compared to some alternatives.

Working Principles

The AT28BV64B-20JU-T utilizes Flash memory technology to store and retrieve data. It employs a combination of floating-gate transistors and charge storage mechanisms to retain information even when power is removed. The device uses address inputs to select specific memory locations and data input/output pins to read from or write to those locations.

Detailed Application Field Plans

The AT28BV64B-20JU-T finds

Перечислите 10 распространенных вопросов и ответов, связанных с применением AT28BV64B-20JU-T в технических решениях.

Sure! Here are 10 common questions and answers related to the application of AT28BV64B-20JU-T in technical solutions:

  1. Q: What is the AT28BV64B-20JU-T? A: The AT28BV64B-20JU-T is a 64K (8K x 8) EEPROM (Electrically Erasable Programmable Read-Only Memory) chip manufactured by Microchip Technology.

  2. Q: What are the key features of the AT28BV64B-20JU-T? A: Some key features include a 20 MHz clock frequency, low power consumption, byte-wise programming, and a wide operating voltage range.

  3. Q: How can I interface with the AT28BV64B-20JU-T? A: The AT28BV64B-20JU-T uses a standard parallel interface, which means you can connect it to a microcontroller or other digital devices using address, data, and control lines.

  4. Q: What is the maximum operating voltage for the AT28BV64B-20JU-T? A: The AT28BV64B-20JU-T has a wide operating voltage range of 2.7V to 5.5V.

  5. Q: Can I use the AT28BV64B-20JU-T in battery-powered applications? A: Yes, the AT28BV64B-20JU-T is designed for low power consumption, making it suitable for battery-powered applications.

  6. Q: How much data can the AT28BV64B-20JU-T store? A: The AT28BV64B-20JU-T has a storage capacity of 64 kilobits, which is equivalent to 8 kilobytes.

  7. Q: Can I write data to the AT28BV64B-20JU-T multiple times? A: Yes, the AT28BV64B-20JU-T supports byte-wise programming, allowing you to write data to specific memory locations multiple times.

  8. Q: Is the data stored in the AT28BV64B-20JU-T non-volatile? A: Yes, the AT28BV64B-20JU-T is an EEPROM, which means it retains its stored data even when power is removed.

  9. Q: What is the maximum clock frequency supported by the AT28BV64B-20JU-T? A: The AT28BV64B-20JU-T can operate at a maximum clock frequency of 20 MHz.

  10. Q: Are there any special considerations for handling the AT28BV64B-20JU-T? A: It is important to follow the manufacturer's guidelines for handling and storage, such as avoiding excessive heat or static electricity, to ensure proper functionality and longevity of the chip.

Please note that these answers are general and may vary depending on the specific application and requirements.