Microchip Technology
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AT27C040-90PU
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AT27C040-90PU

Product Overview

Category

AT27C040-90PU belongs to the category of programmable read-only memory (PROM) chips.

Use

It is primarily used for storing data that needs to be permanently stored and cannot be modified or erased.

Characteristics

  • Non-volatile: The data stored in AT27C040-90PU remains intact even when power is turned off.
  • High storage capacity: It has a storage capacity of 4 megabits (512 kilobytes).
  • Fast access time: The chip offers a fast access time of 90 nanoseconds.
  • Low power consumption: AT27C040-90PU operates on low power, making it suitable for battery-powered devices.

Package

AT27C040-90PU comes in a plastic DIP (Dual In-line Package) package.

Essence

The essence of AT27C040-90PU lies in its ability to store large amounts of data securely and reliably.

Packaging/Quantity

This product is typically packaged in tubes or trays, with each tube or tray containing a specific quantity of chips. The exact quantity may vary depending on the manufacturer's specifications.

Specifications

  • Storage Capacity: 4 Megabits (512 Kilobytes)
  • Access Time: 90 Nanoseconds
  • Operating Voltage: 5 Volts
  • Package Type: Plastic DIP
  • Temperature Range: -40°C to +85°C

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. OE#
  14. CE#
  15. WE#
  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. VCC
  26. GND

Functional Features

  • High-speed data access: AT27C040-90PU provides fast and reliable access to stored data.
  • Easy integration: The chip can be easily integrated into various electronic systems due to its standard pin configuration.
  • Non-volatile storage: The data stored in AT27C040-90PU remains intact even when power is disconnected.
  • Low power consumption: It operates on low power, making it suitable for battery-powered devices.

Advantages and Disadvantages

Advantages

  • Large storage capacity
  • Fast access time
  • Non-volatile memory
  • Low power consumption

Disadvantages

  • Data cannot be modified or erased once programmed
  • Relatively higher cost compared to other memory options

Working Principles

AT27C040-90PU utilizes a technology called electrically programmable read-only memory (EPROM). It stores data by using electrical charges to trap electrons in specific memory cells. These trapped charges represent the binary values of the stored data. The data can be read from the memory cells but cannot be modified or erased once programmed.

Detailed Application Field Plans

AT27C040-90PU 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

Some alternative models to AT27C040-90PU include: 1. AT28C010E-15PU 2. AM29F040B-90JC 3. M27C4001-10F1 4. SST39SF040-70-4C-NHE

These alternative models offer similar functionality and can be used as replacements for AT27C040-90PU in various applications.

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Seznam 10 běžných otázek a odpovědí souvisejících s aplikací AT27C040-90PU v technických řešeních

Sure! Here are 10 common questions and answers related to the application of AT27C040-90PU in technical solutions:

  1. Q: What is AT27C040-90PU? A: AT27C040-90PU is a 4-megabit (512K x 8) low-power, high-performance CMOS EPROM (erasable programmable read-only memory) integrated circuit.

  2. Q: What are the key features of AT27C040-90PU? A: The key features of AT27C040-90PU include a fast access time of 90 nanoseconds, low power consumption, and compatibility with a wide range of microcontrollers and digital systems.

  3. Q: How can I program AT27C040-90PU? A: AT27C040-90PU can be programmed using a standard EPROM programmer or through in-system programming using appropriate programming algorithms.

  4. Q: Can AT27C040-90PU be reprogrammed? A: No, AT27C040-90PU is not a reprogrammable memory device. Once programmed, the data remains permanently stored and cannot be changed.

  5. Q: What is the operating voltage range for AT27C040-90PU? A: AT27C040-90PU operates within a voltage range of 4.5V to 5.5V.

  6. Q: What is the typical power consumption of AT27C040-90PU? A: The typical power consumption of AT27C040-90PU is very low, usually in the range of a few milliwatts.

  7. Q: Can AT27C040-90PU withstand high temperatures? A: Yes, AT27C040-90PU is designed to operate reliably at high temperatures, typically up to 125 degrees Celsius.

  8. Q: What is the endurance of AT27C040-90PU? A: AT27C040-90PU has a typical endurance of 10,000 erase/write cycles, meaning it can be programmed and erased multiple times before failure.

  9. Q: Can AT27C040-90PU retain data without power supply? A: Yes, AT27C040-90PU is a non-volatile memory device, which means it can retain data even when the power supply is disconnected.

  10. Q: In what applications can AT27C040-90PU be used? A: AT27C040-90PU can be used in various applications such as embedded systems, automotive electronics, industrial control systems, consumer electronics, and more, where non-volatile storage of data or firmware is required.

Please note that these answers are general and may vary depending on specific technical requirements and datasheet specifications.