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AT27C2048-15JI

AT27C2048-15JI

Product Overview

Category

AT27C2048-15JI belongs to the category of programmable read-only memory (PROM) chips.

Use

This product is primarily used for storing data that needs to be permanently written and cannot be modified or erased. It is commonly employed in applications where non-volatile memory is required.

Characteristics

  • Non-volatile: The stored data remains intact even when power is removed.
  • High storage capacity: The AT27C2048-15JI has a capacity of 2,048 kilobits (256 kilobytes).
  • Fast access time: With a speed rating of 15 nanoseconds, it provides quick data retrieval.
  • Low power consumption: This chip operates efficiently with low power requirements.

Package

The AT27C2048-15JI is available in a 32-pin plastic package, which ensures durability and protection from external elements.

Essence

The essence of this product lies in its ability to store large amounts of data reliably and securely, making it suitable for various applications.

Packaging/Quantity

The AT27C2048-15JI is typically packaged in reels or tubes, with each containing a specific quantity of chips. The exact quantity may vary depending on the manufacturer's specifications.

Specifications

  • Memory Capacity: 2,048 kilobits (256 kilobytes)
  • Access Time: 15 nanoseconds
  • Supply Voltage: 5 volts
  • Operating Temperature Range: -40°C to +85°C
  • Package Type: 32-pin plastic package

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. /CE: Chip Enable
  19. /WE: Write Enable
  20. VSS: Ground
  21. DQ0: Data Output
  22. DQ1: Data Output
  23. DQ2: Data Output
  24. DQ3: Data Output
  25. DQ4: Data Output
  26. DQ5: Data Output
  27. DQ6: Data Output
  28. DQ7: Data Output
  29. VCC: Power Supply
  30. NC: No Connection
  31. NC: No Connection
  32. /WP: Write Protect

Functional Features

  • Non-volatile storage: The AT27C2048-15JI retains data even when power is disconnected.
  • High-speed access: With a fast access time of 15 nanoseconds, data retrieval is efficient.
  • Easy integration: The chip can be easily integrated into existing systems due to its standard pin configuration.
  • Reliable performance: This PROM chip offers reliable and consistent performance over an extended period.

Advantages and Disadvantages

Advantages

  • Large storage capacity
  • Fast access time
  • Low power consumption
  • Durable packaging

Disadvantages

  • Data cannot be modified or erased once programmed
  • Limited write cycles compared to other memory types

Working Principles

The AT27C2048-15JI operates on the principle of electrical programming. Once programmed, the stored data remains intact until the chip is replaced. The chip utilizes a combination of address inputs and control signals to read the stored data.

Detailed Application Field Plans

The AT27C2048-15JI finds applications in various fields, including: 1. Embedded systems 2. Automotive electronics 3. Industrial control systems 4. Medical devices 5. Consumer electronics

Detailed and Complete Alternative Models

  1. AT28C256: This PROM chip offers a similar storage capacity but with faster access times.
  2. AT29C010A: A flash memory chip that provides both read and write capabilities.
  3. AM27C1024: A compatible alternative with a larger storage capacity of 1 megabit.

These alternative models offer different features and specifications, allowing users to choose the most suitable option for their specific requirements.

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技術ソリューションにおける AT27C2048-15JI 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 AT27C2048-15JI in technical solutions:

  1. Q: What is the AT27C2048-15JI? A: The AT27C2048-15JI is a 2-megabit (256K x 8) low-power, high-performance CMOS EPROM (erasable programmable read-only memory) integrated circuit.

  2. Q: What are the key features of the AT27C2048-15JI? A: Some key features include a fast access time of 150 ns, low power consumption, wide operating voltage range, and compatibility with various programming equipment.

  3. Q: How can I program the AT27C2048-15JI? A: The AT27C2048-15JI requires a separate EPROM programmer device that supports the device's programming specifications. Consult the datasheet for specific programming instructions.

  4. Q: Can the AT27C2048-15JI be reprogrammed? A: No, the AT27C2048-15JI is not a reprogrammable EPROM. Once programmed, the data remains permanently stored and cannot be changed.

  5. Q: What is the operating voltage range of the AT27C2048-15JI? A: The AT27C2048-15JI operates within a voltage range of 4.5V to 5.5V.

  6. Q: What is the typical power consumption of the AT27C2048-15JI? A: The AT27C2048-15JI has a low power consumption of typically 30 mA during active operation and 100 µA in standby mode.

  7. Q: Can the AT27C2048-15JI withstand high temperatures? A: Yes, the AT27C2048-15JI is designed to operate within a temperature range of -40°C to +85°C, making it suitable for various industrial applications.

  8. Q: What is the package type of the AT27C2048-15JI? A: The AT27C2048-15JI comes in a 32-lead PLCC (Plastic Leaded Chip Carrier) package.

  9. Q: Can I use the AT27C2048-15JI in battery-powered devices? A: Yes, the AT27C2048-15JI's low power consumption makes it suitable for battery-powered devices where power efficiency is crucial.

  10. Q: What are some typical applications of the AT27C2048-15JI? A: The AT27C2048-15JI can be used in various applications such as microcontroller-based systems, automotive electronics, industrial control systems, and consumer electronics requiring non-volatile memory storage.

Please note that these answers are general and may vary depending on specific requirements and use cases. Always refer to the datasheet and consult with technical experts for accurate information.