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AT27C520-90SC
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AT27C520-90SC

Product Overview

Category

AT27C520-90SC belongs to the category of programmable read-only memory (PROM) chips.

Use

This product is commonly used in electronic devices for storing permanent data that cannot be modified or erased.

Characteristics

  • Non-volatile memory: The stored data remains intact even when power is turned off.
  • High storage capacity: The AT27C520-90SC has a capacity of 512 kilobits (64 kilobytes).
  • Fast access time: It operates at a speed of 90 nanoseconds, allowing for quick retrieval of data.
  • Low power consumption: The chip is designed to minimize power usage, making it suitable for battery-powered devices.

Package

The AT27C520-90SC is available in a 32-pin plastic 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 devices.

Packaging/Quantity

The AT27C520-90SC is typically packaged in reels containing a quantity of 250 units.

Specifications

  • Memory Type: PROM
  • Capacity: 512 kilobits (64 kilobytes)
  • Access Time: 90 nanoseconds
  • Supply Voltage: 5V
  • Operating Temperature Range: -40°C to +85°C
  • Package Type: 32-pin SOIC

Detailed Pin Configuration

  1. A16
  2. A15
  3. A12
  4. A7
  5. A6
  6. A5
  7. A4
  8. A3
  9. A2
  10. A1
  11. A0
  12. VPP
  13. WE#
  14. OE#
  15. CE#
  16. I/O0
  17. I/O1
  18. I/O2
  19. I/O3
  20. I/O4
  21. I/O5
  22. I/O6
  23. I/O7
  24. VCC
  25. GND
  26. NC
  27. NC
  28. NC
  29. NC
  30. NC
  31. NC
  32. NC

Functional Features

  • Non-volatile storage: The AT27C520-90SC retains data even when power is disconnected.
  • High-speed access: With an access time of 90 nanoseconds, data retrieval is quick and efficient.
  • Easy integration: The chip can be easily integrated into various electronic devices due to its standard pin configuration.
  • Low power consumption: Designed for energy efficiency, the AT27C520-90SC minimizes power usage.

Advantages and Disadvantages

Advantages

  • Reliable non-volatile storage
  • Fast access time
  • Low power consumption
  • Easy integration into electronic devices

Disadvantages

  • Data cannot be modified or erased once programmed
  • Limited storage capacity compared to other memory technologies

Working Principles

The AT27C520-90SC operates based on the principle of electrical programming. Once programmed, the stored data remains intact even when power is turned off. The chip uses a combination of address lines (A0-A16), control signals (CE#, OE#, WE#), and input/output lines (I/O0-I/O7) to read data from or write data to specific memory locations.

Detailed Application Field Plans

The AT27C520-90SC finds applications in various electronic devices that require permanent data storage, such as: - Embedded systems - Automotive electronics - Industrial control systems - Medical equipment - Consumer electronics

Detailed and Complete Alternative Models

  1. AT27C010-90JC
  2. AT27C040-90PU
  3. AT27C080-90JC
  4. AT27C256R-45PU
  5. AT27C512R-70PU

These alternative models offer similar functionality and characteristics to the AT27C520-90SC, but with different storage capacities and package types.

In conclusion, the AT27C520-90SC is a programmable read-only memory chip that provides reliable and non-volatile storage for electronic devices. With its high storage capacity, fast access time, and low power consumption, it is suitable for a wide range of applications in various industries.

技術ソリューションにおける AT27C520-90SC 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 AT27C520-90SC in technical solutions:

  1. Q: What is the AT27C520-90SC? A: The AT27C520-90SC is a 5-volt, 512K (64K x 8) OTP EPROM (Electrically Programmable Read-Only Memory) integrated circuit.

  2. Q: What are the typical applications of AT27C520-90SC? A: The AT27C520-90SC is commonly used in various embedded systems, microcontrollers, industrial control systems, automotive electronics, and other electronic devices that require non-volatile memory storage.

  3. Q: How does the AT27C520-90SC work? A: The AT27C520-90SC is programmed electrically using a programming voltage. Once programmed, the data stored in the memory remains even when power is removed.

  4. Q: What is the capacity of the AT27C520-90SC? A: The AT27C520-90SC has a capacity of 512 kilobits or 64 kilobytes.

  5. Q: What is the operating voltage range for the AT27C520-90SC? A: The AT27C520-90SC operates within a voltage range of 4.5V to 5.5V.

  6. Q: Can the AT27C520-90SC be reprogrammed? A: No, the AT27C520-90SC is a one-time programmable (OTP) device and cannot be reprogrammed once it has been programmed.

  7. Q: What is the access time of the AT27C520-90SC? A: The AT27C520-90SC has an access time of 90 nanoseconds, hence the "90SC" in its part number.

  8. Q: Does the AT27C520-90SC require any special programming equipment? A: Yes, the AT27C520-90SC requires a device programmer that supports EPROM programming to program the memory.

  9. Q: Can the AT27C520-90SC withstand high temperatures? A: Yes, the AT27C520-90SC is designed to operate reliably at extended temperature ranges, typically from -40°C to +85°C.

  10. Q: Are there any specific precautions to consider when using the AT27C520-90SC? A: It is important to handle the AT27C520-90SC with proper electrostatic discharge (ESD) precautions to prevent damage. Additionally, care should be taken to ensure correct voltage levels and timing during programming and operation.

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