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AT28LV256-20JC
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AT28LV256-20JC

Product Overview

Category

AT28LV256-20JC belongs to the category of integrated circuits (ICs).

Use

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

Characteristics

  • Low-voltage operation
  • High-speed performance
  • Non-volatile memory
  • Large storage capacity

Package

AT28LV256-20JC is available in a 32-pin PLCC (Plastic Leaded Chip Carrier) package.

Essence

The essence of AT28LV256-20JC lies in its ability to provide reliable and efficient non-volatile memory storage for electronic devices.

Packaging/Quantity

AT28LV256-20JC is typically packaged in reels or tubes, with a quantity of 250 units per reel/tube.

Specifications

  • Voltage Range: 2.7V to 5.5V
  • Operating Temperature Range: -40°C to +85°C
  • Access Time: 200ns
  • Memory Size: 256 kilobits (32 kilobytes)
  • Organization: 32K x 8 bits
  • Interface: Parallel
  • Data Retention: 10 years
  • Erase/Write Cycle Endurance: 10,000 cycles

Detailed Pin Configuration

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

Functional Features

  • Non-volatile memory: Retains data even when power is disconnected.
  • High-speed performance: Allows for quick access and retrieval of stored information.
  • Low-voltage operation: Can operate within a wide voltage range, making it suitable for various electronic devices.
  • Easy integration: Compatible with standard parallel interface protocols.

Advantages and Disadvantages

Advantages

  • Reliable non-volatile memory storage
  • High-speed performance
  • Wide operating voltage range
  • Easy integration into existing systems

Disadvantages

  • Limited storage capacity compared to newer memory technologies
  • Requires additional circuitry for erase and write operations

Working Principles

AT28LV256-20JC utilizes flash memory technology to store and retrieve digital information. It employs a combination of floating-gate transistors and control circuitry to enable non-volatile data storage. The device can be accessed through the parallel interface, allowing for efficient data transfer between the memory and the host system.

Detailed Application Field Plans

AT28LV256-20JC finds applications in various electronic devices, including but not limited to: - Microcontrollers - Embedded systems - Industrial automation equipment - Communication devices - Automotive electronics

Detailed and Complete Alternative Models

  1. AT28C256-15PU: Similar specifications, different package (DIP)
  2. AT28BV256-20TI: Similar specifications, different package (TSOP)
  3. AT28LV010-20JI: Lower storage capacity, similar specifications, same package (PLCC)

These alternative models offer similar functionality and can be considered as replacements based on specific requirements and compatibility with the target system.

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技術ソリューションにおける AT28LV256-20JC 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 AT28LV256-20JC in technical solutions:

  1. Q: What is the AT28LV256-20JC? A: The AT28LV256-20JC is a 256 kilobit (32K x 8) low-voltage electrically erasable programmable read-only memory (EEPROM) integrated circuit.

  2. Q: What is the operating voltage range for the AT28LV256-20JC? A: The AT28LV256-20JC operates within a voltage range of 2.7V to 5.5V.

  3. Q: How much data can the AT28LV256-20JC store? A: The AT28LV256-20JC can store up to 256 kilobits or 32 kilobytes of data.

  4. Q: What is the maximum clock frequency supported by the AT28LV256-20JC? A: The AT28LV256-20JC supports a maximum clock frequency of 20 MHz.

  5. Q: Can the AT28LV256-20JC be reprogrammed multiple times? A: Yes, the AT28LV256-20JC is an electrically erasable programmable read-only memory, which means it can be reprogrammed multiple times.

  6. Q: What is the typical access time of the AT28LV256-20JC? A: The typical access time of the AT28LV256-20JC is 120 nanoseconds.

  7. Q: Does the AT28LV256-20JC require any external power supply regulation? A: No, the AT28LV256-20JC has built-in power supply regulation, so no external regulation is required.

  8. Q: Can the AT28LV256-20JC operate in harsh environments? A: The AT28LV256-20JC is designed to operate within industrial temperature ranges (-40°C to 85°C), making it suitable for harsh environments.

  9. Q: What interface does the AT28LV256-20JC use for communication? A: The AT28LV256-20JC uses a standard parallel interface for communication with other devices.

  10. Q: Are there any special considerations for programming the AT28LV256-20JC? A: Yes, the AT28LV256-20JC requires specific voltage levels and timing during programming, so it's important to follow the datasheet guidelines for proper programming.

Please note that these answers are general and may vary depending on the specific application or use case. It's always recommended to refer to the datasheet and consult the manufacturer for detailed information.