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AT27BV256-90RI

AT27BV256-90RI

Product Overview

Category

AT27BV256-90RI belongs to the category of non-volatile memory devices.

Use

This product is primarily used for data storage in various electronic systems and devices.

Characteristics

  • Non-volatile: The AT27BV256-90RI retains stored data even when power is removed.
  • High capacity: With a capacity of 256 kilobits, it can store a significant amount of data.
  • Fast access time: The device offers a fast access time of 90 nanoseconds.
  • Low power consumption: It operates on low power, making it suitable for battery-powered devices.

Package

The AT27BV256-90RI comes in a compact package that ensures easy integration into electronic circuits.

Essence

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

Packaging/Quantity

The AT27BV256-90RI is typically packaged in reels or tubes, with each containing a specific quantity of devices. The exact packaging and quantity may vary depending on the manufacturer.

Specifications

  • Capacity: 256 kilobits
  • Access Time: 90 nanoseconds
  • Supply Voltage: 2.7V - 3.6V
  • Operating Temperature Range: -40°C to +85°C
  • Package Type: 28-pin PDIP (Plastic Dual In-line Package)

Detailed Pin Configuration

The AT27BV256-90RI has a total of 28 pins, each serving a specific purpose. The pin configuration is as follows:

  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. CE - Chip Enable Input
  18. OE - Output Enable Input
  19. WE - Write Enable Input
  20. I/O0 - Data Input/Output
  21. I/O1 - Data Input/Output
  22. I/O2 - Data Input/Output
  23. I/O3 - Data Input/Output
  24. I/O4 - Data Input/Output
  25. I/O5 - Data Input/Output
  26. VCC - Power Supply
  27. GND - Ground
  28. NC - No Connection

Functional Features

  • Non-volatile storage: The AT27BV256-90RI retains data even when power is removed.
  • High-speed access: With a fast access time of 90 nanoseconds, it allows for quick retrieval of stored data.
  • Low power consumption: The device operates on low power, making it suitable for energy-efficient applications.
  • Easy integration: The compact package and standard pin configuration facilitate easy integration into electronic circuits.

Advantages and Disadvantages

Advantages

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

Disadvantages

  • Limited capacity compared to other memory devices
  • Relatively higher cost per kilobit compared to larger capacity alternatives

Working Principles

The AT27BV256-90RI utilizes flash memory technology to store data. It employs a combination of floating-gate transistors and charge trapping mechanisms to retain information even when power is removed. The device uses a series of address inputs and control signals to read from or write to specific memory locations.

Detailed Application Field Plans

The AT27BV256-90RI finds applications in various electronic systems, including but not limited to: - Embedded systems - Consumer electronics - Industrial automation - Automotive electronics - Medical devices

In embedded systems, it can be used for firmware storage, configuration data, or parameter storage. In consumer electronics, it can store user settings, preferences, or small data files. In industrial automation, it can be utilized for storing critical system parameters or log data. In automotive electronics, it can be employed for storing calibration data or firmware updates. In medical devices, it can store patient data or device configurations.

Detailed and Complete Alternative Models

  • AT27C256R-90RI: Similar to the AT27BV256-90RI, but with a one-time programmable (OTP) memory technology.
  • AT28C256-15PU: A parallel EEPROM alternative with a capacity of 256 kilobits and an access time of 150 nanoseconds.
  • AT45DB256E-SH:

Seznam 10 běžných otázek a odpovědí souvisejících s aplikací AT27BV256-90RI v technických řešeních

Sure! Here are 10 common questions and answers related to the application of AT27BV256-90RI in technical solutions:

  1. Q: What is the AT27BV256-90RI? A: The AT27BV256-90RI is a 256K (32K x 8) low-power CMOS EPROM (Electrically Programmable Read-Only Memory) with a 90ns access time.

  2. Q: What are some typical applications for the AT27BV256-90RI? A: The AT27BV256-90RI is commonly used in embedded systems, microcontrollers, industrial control systems, automotive electronics, and other applications that require non-volatile memory storage.

  3. Q: How is the AT27BV256-90RI programmed? A: The AT27BV256-90RI is programmed using a programming algorithm that applies specific voltage levels to the device's pins. This can be done using a dedicated programmer or through in-circuit programming methods.

  4. Q: Can the AT27BV256-90RI be reprogrammed? A: No, the AT27BV256-90RI is a one-time programmable EPROM and cannot be electrically erased or reprogrammed after it has been programmed.

  5. Q: What is the operating voltage range for the AT27BV256-90RI? A: The AT27BV256-90RI operates within a voltage range of 4.5V to 5.5V.

  6. Q: What is the maximum frequency at which data can be read from the AT27BV256-90RI? A: The AT27BV256-90RI supports a maximum read frequency of 20MHz.

  7. Q: Does the AT27BV256-90RI have any security features? A: No, the AT27BV256-90RI does not have built-in security features such as write protection or encryption.

  8. Q: Can the AT27BV256-90RI withstand high temperatures? A: Yes, the AT27BV256-90RI is designed to operate within a temperature range of -40°C to +85°C, making it suitable for various environments.

  9. Q: What is the package type for the AT27BV256-90RI? A: The AT27BV256-90RI is available in a 28-pin PDIP (Plastic Dual In-Line Package) or a 32-lead TSOP (Thin Small Outline Package).

  10. Q: Are there any specific precautions to consider when handling the AT27BV256-90RI? A: It is important to follow proper ESD (Electrostatic Discharge) precautions when handling the AT27BV256-90RI to prevent damage to the device. Additionally, care should be taken to avoid exposing the device to excessive heat or moisture.

Please note that these answers are general and may vary depending on the specific requirements and datasheet of the AT27BV256-90RI.