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AT28C256F-15JA

AT28C256F-15JA

Product Overview

Category

AT28C256F-15JA 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 AT28C256F-15JA 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-15JA is available in a 32-pin PLCC (Plastic Leaded Chip Carrier) package.

Essence

The essence of this product lies in its ability to provide reliable and non-volatile storage for electronic systems.

Packaging/Quantity

The AT28C256F-15JA is typically packaged in reels or tubes, with a quantity of 100 units per package.

Specifications

  • Storage Capacity: 256 kilobits (32 kilobytes)
  • Access Time: 150 nanoseconds
  • Supply Voltage: 5V
  • Operating Temperature Range: -40°C to +85°C
  • Package Type: 32-pin PLCC

Detailed Pin Configuration

  1. A0
  2. A1
  3. A2
  4. A3
  5. A4
  6. A5
  7. A6
  8. A7
  9. A8
  10. A9
  11. A10
  12. A11
  13. A12
  14. A13
  15. A14
  16. A15
  17. OE#
  18. CE#
  19. WE#
  20. VCC
  21. NC
  22. I/O0
  23. I/O1
  24. I/O2
  25. I/O3
  26. I/O4
  27. I/O5
  28. I/O6
  29. I/O7
  30. GND
  31. NC
  32. NC

Functional Features

  • Byte-wide access: The AT28C256F-15JA allows for individual byte-level read and write operations.
  • Chip enable and output enable control: The CE# and OE# pins provide control over the memory access.
  • Write protection: The device supports hardware and software write protection mechanisms to prevent accidental data modification.
  • Automatic page write: It offers a feature that enables efficient programming of multiple bytes in a single operation.

Advantages and Disadvantages

Advantages

  • Non-volatile storage ensures data retention even during power loss.
  • High storage capacity suitable for various applications.
  • Fast access time allows for quick retrieval of stored information.
  • Low power consumption helps conserve energy in electronic systems.
  • Reliable performance with high endurance and data retention capabilities.

Disadvantages

  • Limited storage capacity compared to other modern non-volatile memory devices.
  • Requires careful handling and proper electrical precautions during installation and usage.

Working Principles

The AT28C256F-15JA utilizes electrically erasable and programmable read-only memory (EEPROM) technology. It stores data by trapping charges in floating gate transistors, which can be electrically programmed or erased. During read operations, the stored charges are sensed to retrieve the stored data.

Detailed Application Field Plans

The AT28C256F-15JA finds applications in various electronic systems, including but not limited to: - Embedded systems - Microcontrollers - Industrial automation - Automotive electronics - Communication devices

Detailed and Complete Alternative Models

  1. AT28C256-15PU: Similar specifications, available in a 28-pin DIP (Dual In-line Package) package.
  2. AT28C256E-15PI: Enhanced version with lower power consumption, available in a 28-pin PDIP (Plastic Dual In-line Package) package.
  3. AT28C256R-15JI: Faster access time variant, available in a 32-pin PLCC package.

These alternative models offer similar functionality and can be considered as replacements for the AT28C256F-15JA based on specific requirements.

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技術ソリューションにおける AT28C256F-15JA 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。

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

  1. Q: What is the AT28C256F-15JA? A: The AT28C256F-15JA is a high-performance, low-power CMOS 256K (32K x 8) EEPROM (Electrically Erasable Programmable Read-Only Memory) chip.

  2. Q: What are the key features of the AT28C256F-15JA? A: Some key features include a wide operating voltage range, fast access time, low power consumption, and a high endurance for read and write cycles.

  3. Q: How can I interface the AT28C256F-15JA with my microcontroller? A: The AT28C256F-15JA uses a standard parallel interface, so you can connect it to your microcontroller using address lines, data lines, control signals (such as chip enable and write enable), and power supply connections.

  4. Q: What is the maximum operating frequency of the AT28C256F-15JA? A: The AT28C256F-15JA can operate at frequencies up to 15 MHz, making it suitable for many applications requiring fast access to non-volatile memory.

  5. Q: Can I use the AT28C256F-15JA in battery-powered devices? A: Yes, the AT28C256F-15JA has low power consumption characteristics, making it suitable for battery-powered devices where power efficiency is important.

  6. Q: How many times can I erase and write data to the AT28C256F-15JA? A: The AT28C256F-15JA has a high endurance rating, typically allowing for over 100,000 erase/write cycles.

  7. Q: What is the data retention period of the AT28C256F-15JA? A: The AT28C256F-15JA has a data retention period of at least 10 years, ensuring that stored data remains intact for long durations.

  8. Q: Can I use the AT28C256F-15JA in industrial temperature environments? A: Yes, the AT28C256F-15JA is designed to operate reliably in a wide temperature range, typically from -40°C to +85°C, making it suitable for industrial applications.

  9. Q: Does the AT28C256F-15JA support hardware write protection? A: Yes, the AT28C256F-15JA provides hardware write protection through the use of additional control signals, allowing you to protect critical data from accidental modification.

  10. Q: Are there any development tools or resources available for working with the AT28C256F-15JA? A: Yes, the manufacturer provides datasheets, application notes, and development tools like programming software and hardware programmers to assist in working with the AT28C256F-15JA.

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