Microchip Technology
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AT28C256E-15SU-T
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AT28C256E-15SU-T

Product Overview

Category

AT28C256E-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 AT28C256E-15SU-T retains stored data even when power is removed.
  • High capacity: It has a storage capacity of 256 kilobits (32 kilobytes).
  • Fast access time: The device offers a fast access time of 150 nanoseconds.
  • Low power consumption: It operates on low power, making it suitable for battery-powered devices.

Package

The AT28C256E-15SU-T comes in a small outline integrated circuit (SOIC) package.

Essence

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

Packaging/Quantity

The AT28C256E-15SU-T is typically packaged in reels and is available in quantities of 2500 units per reel.

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: SOIC

Detailed Pin Configuration

The AT28C256E-15SU-T has a total of 28 pins. The pin configuration is as follows:

  1. A16
  2. A14
  3. A12
  4. A7
  5. A6
  6. A5
  7. A4
  8. A3
  9. A2
  10. A1
  11. A0
  12. /OE
  13. /WE
  14. /CE
  15. VCC
  16. NC
  17. I/O0
  18. I/O1
  19. I/O2
  20. I/O3
  21. I/O4
  22. I/O5
  23. I/O6
  24. I/O7
  25. A8
  26. A9
  27. A11
  28. A13

Functional Features

  • Byte-wide operations: The AT28C256E-15SU-T allows for byte-level read and write operations.
  • Chip enable control: The /CE pin enables or disables the device, providing flexibility in system design.
  • Output enable control: The /OE pin controls the output buffers, allowing for efficient data retrieval.
  • Write protection: The device offers a hardware write protection feature to prevent accidental data modification.

Advantages and Disadvantages

Advantages

  • Non-volatile storage: Data is retained even when power is removed.
  • High capacity: Ample storage space for various applications.
  • Fast access time: Quick retrieval of stored information.
  • Low power consumption: Suitable for battery-powered devices.

Disadvantages

  • Limited storage capacity compared to other memory devices.
  • Relatively slower access time compared to some modern memory technologies.

Working Principles

The AT28C256E-15SU-T utilizes electrically erasable programmable read-only memory (EEPROM) technology. It stores data by trapping electrical charges within its memory cells. These charges can be selectively erased and reprogrammed using specific voltage levels applied to the device's pins.

Detailed Application Field Plans

The AT28C256E-15SU-T finds application in various electronic systems, including but not limited to: - Microcontrollers - Embedded systems - Industrial automation - Automotive electronics - Consumer electronics

Detailed and Complete Alternative Models

Some alternative models that offer similar functionality to the AT28C256E-15SU-T include: - AT28C256-15PU - AT28C256-20PC - AT28C256-25DM/883

These models provide different access times, package types, and temperature ranges to cater to diverse application requirements.

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Seznam 10 běžných otázek a odpovědí souvisejících s aplikací AT28C256E-15SU-T v technických řešeních

Sure! Here are 10 common questions and answers related to the application of AT28C256E-15SU-T in technical solutions:

  1. Q: What is the AT28C256E-15SU-T? A: The AT28C256E-15SU-T is a 32K x 8 low-power CMOS EEPROM (Electrically Erasable Programmable Read-Only Memory) chip manufactured by Microchip Technology.

  2. Q: What is the operating voltage range for the AT28C256E-15SU-T? A: The AT28C256E-15SU-T operates within a voltage range of 2.7V to 5.5V.

  3. Q: What is the storage capacity of the AT28C256E-15SU-T? A: The AT28C256E-15SU-T has a storage capacity of 256 kilobits, which is equivalent to 32 kilobytes.

  4. Q: What is the speed rating of the AT28C256E-15SU-T? A: The "15SU" in the part number indicates that the AT28C256E-15SU-T has a speed rating of 150 nanoseconds (ns).

  5. Q: Can the AT28C256E-15SU-T be used for code storage in microcontrollers? A: Yes, the AT28C256E-15SU-T can be used for code storage in microcontrollers as it provides non-volatile memory for storing program instructions.

  6. Q: Does the AT28C256E-15SU-T support both read and write operations? A: Yes, the AT28C256E-15SU-T supports both read and write operations, allowing data to be stored and retrieved from the memory chip.

  7. Q: Can the AT28C256E-15SU-T be reprogrammed multiple times? A: Yes, the AT28C256E-15SU-T is an EEPROM, which means it can be electrically erased and reprogrammed multiple times.

  8. Q: What is the endurance rating of the AT28C256E-15SU-T? A: The AT28C256E-15SU-T has an endurance rating of at least 100,000 erase/write cycles, ensuring reliable long-term usage.

  9. Q: Is the AT28C256E-15SU-T suitable for battery-powered devices? A: Yes, the AT28C256E-15SU-T is designed to operate at low power, making it suitable for use in battery-powered devices.

  10. Q: Are there any specific precautions to consider when using the AT28C256E-15SU-T? A: It is important to follow the manufacturer's guidelines for voltage levels, timing requirements, and temperature limits to ensure proper operation and avoid damaging the chip.

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