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AT28C64B-15SU-T

AT28C64B-15SU-T

Product Overview

Category

AT28C64B-15SU-T belongs to the category of non-volatile memory devices.

Use

This product is primarily used for storing and retrieving digital information in electronic systems.

Characteristics

  • Non-volatile: The stored data is retained even when power is removed.
  • High capacity: The AT28C64B-15SU-T has a storage capacity of 64 kilobits (8 kilobytes).
  • Fast access time: It operates with a maximum access time of 150 nanoseconds.
  • Low power consumption: The device is designed to minimize power usage.
  • Reliable: It offers high endurance and data retention capabilities.
  • Easy integration: The AT28C64B-15SU-T can be easily integrated into various electronic systems.

Package

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

Essence

This product is an electrically erasable and programmable read-only memory (EEPROM) chip.

Packaging/Quantity

The AT28C64B-15SU-T is typically packaged in reels or tubes, with a quantity of 2500 units per reel/tube.

Specifications

  • Supply voltage: 2.7V to 5.5V
  • Operating temperature range: -40°C to +85°C
  • Input/output voltage levels compatible with both TTL and CMOS logic
  • Organization: 8K x 8 bits
  • Page size: 64 bytes
  • Write cycle time: 10 milliseconds (typical)
  • Data retention: 10 years (minimum)

Detailed Pin Configuration

The AT28C64B-15SU-T has a total of 28 pins. 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. VCC - Power supply voltage
  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. GND - Ground
  23. NC - No connection
  24. NC - No connection
  25. NC - No connection
  26. NC - No connection
  27. NC - No connection
  28. NC - No connection

Functional Features

  • Byte-wise programmable: The AT28C64B-15SU-T allows individual bytes to be programmed or erased.
  • High-speed operation: It supports fast read and write operations.
  • Software and hardware data protection: The device provides mechanisms to protect the stored data from accidental modification.
  • Low power consumption: The AT28C64B-15SU-T is designed to minimize power usage, making it suitable for battery-powered applications.

Advantages and Disadvantages

Advantages

  • Non-volatile memory ensures data retention even during power loss.
  • High storage capacity for various applications.
  • Fast access time enables quick data retrieval.
  • Easy integration into electronic systems.
  • Reliable performance with high endurance and data retention capabilities.

Disadvantages

  • Limited storage capacity compared to other memory technologies.
  • Relatively slower write cycle time compared to some alternatives.
  • Higher cost per bit compared to certain memory options.

Working Principles

The AT28C64B-15SU-T utilizes EEPROM technology, which allows for the electrical erasure and programming of data. It consists of a grid of memory cells that can be individually programmed or erased using specific voltage levels. The stored data is retained even when power is removed, making it non-volatile in nature.

Detailed Application Field Plans

The AT28C64B-15SU-T finds applications in various electronic systems, including but not limited to: - Embedded systems - Consumer electronics - Industrial control systems - Automotive electronics - Medical devices

Detailed and Complete Alternative Models

Some alternative models to the AT28C64B-15SU-T include: - AT28C64B-15PU: A similar device with a different package type (DIP instead of surface mount). - AT28C256-15SU: A higher capacity EEPROM chip with 256 kilobits storage. - AT29C010A-12PC: A flash memory chip with 1 megabit storage

Liệt kê 10 câu hỏi và câu trả lời thường gặp liên quan đến ứng dụng AT28C64B-15SU-T trong giải pháp kỹ thuật

Sure! Here are 10 common questions and answers related to the application of AT28C64B-15SU-T in technical solutions:

  1. Q: What is the AT28C64B-15SU-T? A: The AT28C64B-15SU-T is a 64K (8K x 8) EEPROM (Electrically Erasable Programmable Read-Only Memory) chip manufactured by Microchip Technology.

  2. Q: What is the operating voltage range for the AT28C64B-15SU-T? A: The AT28C64B-15SU-T operates within a voltage range of 4.5V to 5.5V.

  3. Q: What is the maximum clock frequency supported by the AT28C64B-15SU-T? A: The AT28C64B-15SU-T supports a maximum clock frequency of 150 ns.

  4. Q: Can the AT28C64B-15SU-T be used for storing program code? A: Yes, the AT28C64B-15SU-T can be used for storing program code as it is an EEPROM memory chip.

  5. Q: How many bytes of data can be stored in the AT28C64B-15SU-T? A: The AT28C64B-15SU-T has a capacity of 64 kilobytes, which is equivalent to 65,536 bytes.

  6. Q: Is the AT28C64B-15SU-T suitable for high-speed applications? A: No, the AT28C64B-15SU-T is not designed for high-speed applications due to its relatively slower access times.

  7. Q: Can the AT28C64B-15SU-T be reprogrammed multiple times? A: Yes, the AT28C64B-15SU-T is an EEPROM chip, which means it can be electrically erased and reprogrammed multiple times.

  8. Q: What is the typical endurance of the AT28C64B-15SU-T? A: The AT28C64B-15SU-T has a typical endurance of 100,000 erase/write cycles.

  9. Q: Does the AT28C64B-15SU-T require any external power supply voltage regulation? A: No, the AT28C64B-15SU-T has built-in voltage regulation circuitry, eliminating the need for external voltage regulation.

  10. Q: Can the AT28C64B-15SU-T operate in harsh environmental conditions? A: The AT28C64B-15SU-T has a wide operating temperature range of -40°C to +85°C, making it suitable for various environmental conditions.

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