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AT27BV256-70JU-T

AT27BV256-70JU-T

Product Overview

Category

AT27BV256-70JU-T belongs to the category of non-volatile memory devices.

Use

This product is primarily used for data storage in various electronic devices such as microcontrollers, embedded systems, and consumer electronics.

Characteristics

  • Non-volatile: The AT27BV256-70JU-T retains stored data even when power is removed.
  • High capacity: It offers a storage capacity of 256 kilobits (32 kilobytes).
  • Fast access time: With a speed of 70 nanoseconds, it ensures quick data retrieval.
  • Low power consumption: The device operates at low power levels, making it suitable for battery-powered applications.

Package

The AT27BV256-70JU-T is available in a standard 32-pin PLCC (Plastic Leaded Chip Carrier) package.

Essence

The essence of this product lies in its ability to provide reliable and non-volatile storage for electronic systems, ensuring data integrity even during power interruptions.

Packaging/Quantity

The AT27BV256-70JU-T is typically packaged in reels or tubes, with each reel or tube containing a specific quantity of devices. The exact packaging and quantity may vary depending on the manufacturer's specifications.

Specifications

  • Storage Capacity: 256 kilobits (32 kilobytes)
  • Access Time: 70 nanoseconds
  • Supply Voltage: 2.7V - 3.6V
  • Operating Temperature Range: -40°C to +85°C
  • Package Type: 32-pin PLCC

Detailed Pin Configuration

The AT27BV256-70JU-T has a total of 32 pins, which are assigned specific functions. 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. I/O6 - Data Input/Output
  27. I/O7 - Data Input/Output
  28. VCC - Power Supply
  29. GND - Ground
  30. NC - No Connection
  31. NC - No Connection
  32. NC - No Connection

Functional Features

  • Non-volatile storage: The AT27BV256-70JU-T retains data even when power is removed, ensuring data integrity.
  • High-speed access: With a fast access time of 70 nanoseconds, it allows for quick retrieval of stored data.
  • Low power consumption: The device operates at low power levels, making it suitable for battery-powered applications.
  • Easy integration: The AT27BV256-70JU-T can be easily integrated into various electronic systems due to its standard pin configuration and package.

Advantages and Disadvantages

Advantages

  • Non-volatile storage ensures data integrity.
  • High-speed access allows for quick data retrieval.
  • Low power consumption makes it suitable for battery-powered applications.
  • Easy integration into electronic systems.

Disadvantages

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

Working Principles

The AT27BV256-70JU-T is based on Flash memory technology. It utilizes a grid of memory cells, each capable of storing a single bit of information. These cells can be electrically programmed and erased, allowing for non-volatile storage. The device uses address inputs to select specific memory locations and control inputs to enable reading or writing operations.

Detailed Application Field Plans

The AT27BV256-70JU-T finds applications in various fields, including: 1. Microcontrollers: Used for program storage in microcontroller-based systems. 2. Embedded Systems: Provides non-volatile storage for data and firmware in embedded systems. 3. Consumer Electronics: Used in devices such as digital cameras, MP3 players, and smart appliances for data storage.

Detailed and Complete Alternative Models

Wymień 10 typowych pytań i odpowiedzi związanych z zastosowaniem AT27BV256-70JU-T w rozwiązaniach technicznych

Sure! Here are 10 common questions and answers related to the application of AT27BV256-70JU-T in technical solutions:

  1. Q: What is the AT27BV256-70JU-T? A: The AT27BV256-70JU-T is a 256K (32K x 8) "byte-wide" one-time programmable (OTP) electrically erasable programmable read-only memory (EEPROM) device.

  2. Q: What is the operating voltage range for the AT27BV256-70JU-T? A: The operating voltage range for this device is typically between 4.5V and 5.5V.

  3. Q: What is the maximum clock frequency supported by the AT27BV256-70JU-T? A: The maximum clock frequency supported by this device is 70 MHz.

  4. Q: Can the AT27BV256-70JU-T be reprogrammed after it has been programmed once? A: No, the AT27BV256-70JU-T is a one-time programmable device and cannot be reprogrammed once it has been programmed.

  5. Q: What is the typical programming time for the AT27BV256-70JU-T? A: The typical programming time for this device is around 10ms.

  6. Q: Does the AT27BV256-70JU-T require any external power supply sequencing or voltage level shifting? A: No, the AT27BV256-70JU-T does not require any external power supply sequencing or voltage level shifting.

  7. Q: What is the endurance rating of the AT27BV256-70JU-T? A: The AT27BV256-70JU-T has an endurance rating of at least 100,000 program/erase cycles.

  8. Q: Can the AT27BV256-70JU-T operate in harsh environmental conditions? A: Yes, this device is designed to operate in a wide temperature range (-40°C to +85°C) and can withstand harsh environmental conditions.

  9. Q: What are some typical applications for the AT27BV256-70JU-T? A: The AT27BV256-70JU-T is commonly used in applications such as microcontrollers, industrial control systems, automotive electronics, and communication equipment.

  10. Q: Is the AT27BV256-70JU-T compatible with standard microcontroller interfaces? A: Yes, this device is compatible with standard microcontroller interfaces such as SPI (Serial Peripheral Interface) and I2C (Inter-Integrated Circuit).

Please note that these answers are based on general information about the AT27BV256-70JU-T and may vary depending on specific requirements and datasheet specifications.