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AT28C256F-15JU
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AT28C256F-15JU

Product Overview

Category

AT28C256F-15JU belongs to the category of non-volatile memory devices.

Use

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

Characteristics

  • Non-volatile: The stored data is retained even when power is removed.
  • High capacity: The AT28C256F-15JU has a storage capacity of 256 kilobits (32 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 during operation.
  • Reliable: It offers high endurance and data retention capabilities.

Package

The AT28C256F-15JU is available in a 32-lead PLCC (Plastic Leaded Chip Carrier) package.

Essence

The essence of this product lies in its ability to provide non-volatile storage for electronic systems, ensuring data integrity and reliability.

Packaging/Quantity

The AT28C256F-15JU is typically packaged in reels or tubes, with a quantity of 250 units per reel/tube.

Specifications

  • Memory Capacity: 256 kilobits (32 kilobytes)
  • Access Time: 150 nanoseconds
  • Supply Voltage: 2.7V - 5.5V
  • Operating Temperature Range: -40°C to +85°C
  • Package Type: 32-lead PLCC

Detailed Pin Configuration

  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. A8 - Address Input
  10. A9 - Address Input
  11. A10 - Address Input
  12. A11 - Address Input
  13. A12 - Address Input
  14. A13 - Address Input
  15. A14 - Address Input
  16. A15 - Address Input
  17. /OE - Output Enable
  18. /WE - Write Enable
  19. /CE - Chip Enable
  20. VCC - Power Supply
  21. DQ0 - Data Input/Output
  22. DQ1 - Data Input/Output
  23. DQ2 - Data Input/Output
  24. DQ3 - Data Input/Output
  25. DQ4 - Data Input/Output
  26. DQ5 - Data Input/Output
  27. DQ6 - Data Input/Output
  28. DQ7 - Data Input/Output
  29. NC - No Connection
  30. GND - Ground
  31. NC - No Connection
  32. NC - No Connection

Functional Features

The AT28C256F-15JU offers the following functional features:

  • Random access: Allows reading and writing of data at any address location.
  • Byte-wise programming: Enables individual bytes to be programmed without affecting others.
  • Block erase capability: Supports erasing a block of memory for efficient data management.
  • Hardware and software protection: Provides mechanisms to protect stored data from unauthorized access or modification.
  • Low power consumption: Designed to minimize power usage during both active and standby modes.

Advantages and Disadvantages

Advantages

  • Non-volatile storage ensures data retention even in the absence of power.
  • High capacity allows for storing a significant amount of digital information.
  • Fast access time enables quick retrieval of data.
  • Reliable operation with high endurance and data retention capabilities.
  • Low power consumption helps conserve energy in electronic systems.

Disadvantages

  • Limited storage capacity compared to other memory devices.
  • Relatively slower access time compared to some modern memory technologies.
  • The PLCC package may require additional handling precautions during assembly.

Working Principles

The AT28C256F-15JU utilizes a combination of electronic circuits and memory cells to store and retrieve digital information. It employs a floating-gate transistor technology that allows for non-volatile data storage. When data is written, charges are trapped in the floating gate, altering the transistor's behavior and preserving the stored information. During read operations, the stored charges are sensed, allowing the retrieval of the stored data.

Detailed Application Field Plans

The AT28C256F-15JU finds applications in various electronic systems, including but not limited to:

  1. Embedded systems: Used for storing firmware, configuration data, and calibration parameters.
  2. Automotive electronics: Employed in engine control units, infotainment systems, and instrument clusters.
  3. Industrial automation: Utilized for storing program code, sensor calibration data, and system configurations.
  4. Consumer electronics: Integrated into devices such as smart TVs,

Wymień 10 typowych pytań i odpowiedzi związanych z zastosowaniem AT28C256F-15JU w rozwiązaniach technicznych

Sure! Here are 10 common questions and answers related to the application of AT28C256F-15JU in technical solutions:

  1. Q: What is the AT28C256F-15JU? A: The AT28C256F-15JU is a high-performance, low-power CMOS 256K (32K x 8) EEPROM memory chip.

  2. Q: What are the key features of the AT28C256F-15JU? A: The key features include a wide voltage range (2.7V to 5.5V), fast access time (150ns), low power consumption, and a high endurance of 1 million write cycles.

  3. Q: How can I interface the AT28C256F-15JU with a microcontroller or other devices? A: The AT28C256F-15JU uses a standard parallel interface, making it compatible with most microcontrollers and other digital devices.

  4. Q: Can I use the AT28C256F-15JU for data storage in my embedded system? A: Yes, the AT28C256F-15JU is commonly used for non-volatile data storage in various embedded systems, such as industrial control systems, automotive applications, and consumer electronics.

  5. Q: What is the maximum operating frequency of the AT28C256F-15JU? A: The AT28C256F-15JU can operate at frequencies up to 20MHz, allowing for fast read and write operations.

  6. Q: Does the AT28C256F-15JU support multiple write modes? A: Yes, the AT28C256F-15JU supports both byte and page write modes, providing flexibility in programming data.

  7. Q: Can I reprogram the AT28C256F-15JU multiple times? A: Yes, the AT28C256F-15JU supports a minimum of 1 million write cycles, ensuring durability and longevity in applications that require frequent updates.

  8. Q: Is the AT28C256F-15JU resistant to data loss during power outages? A: Yes, the AT28C256F-15JU features an inherent non-volatile memory design, which means it retains data even when power is disconnected.

  9. Q: What is the typical power consumption of the AT28C256F-15JU? A: The AT28C256F-15JU has low power consumption, typically drawing less than 5mA during active read or write operations.

  10. Q: Are there any specific precautions I should take when using the AT28C256F-15JU? A: It is recommended to follow the manufacturer's guidelines for proper handling, storage, and voltage levels to ensure reliable operation of the AT28C256F-15JU.