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AT27LV256A-55RC

AT27LV256A-55RC

Product Overview

Category

AT27LV256A-55RC belongs to the category of integrated circuits (ICs).

Use

This product is commonly used in electronic devices for storing and retrieving digital information.

Characteristics

  • High storage capacity: The AT27LV256A-55RC has a storage capacity of 256 kilobits.
  • Fast access time: It operates at a speed of 55 nanoseconds, allowing for quick data retrieval.
  • Low power consumption: This IC is designed to consume minimal power during operation.
  • Reliable performance: The AT27LV256A-55RC offers reliable and stable performance in various applications.

Package

The AT27LV256A-55RC is available in a standard 28-pin plastic dual in-line package (PDIP).

Essence

The essence of this product lies in its ability to store and retrieve digital information efficiently and reliably.

Packaging/Quantity

The AT27LV256A-55RC is typically packaged in reels or tubes, with each containing a specific quantity of ICs. The exact packaging and quantity may vary depending on the supplier.

Specifications

  • Storage Capacity: 256 kilobits
  • Access Time: 55 nanoseconds
  • Operating Voltage: 5V
  • Operating Temperature Range: -40°C to +85°C
  • Package Type: 28-pin PDIP

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. /OE: Output Enable
  17. /CE: Chip Enable
  18. /WE: Write Enable
  19. DQ0: Data Input/Output
  20. DQ1: Data Input/Output
  21. DQ2: Data Input/Output
  22. DQ3: Data Input/Output
  23. DQ4: Data Input/Output
  24. DQ5: Data Input/Output
  25. DQ6: Data Input/Output
  26. DQ7: Data Input/Output
  27. VCC: Power Supply
  28. GND: Ground

Functional Features

  • Read and Write Operations: The AT27LV256A-55RC allows for both read and write operations, enabling data storage and retrieval.
  • Output Enable Control: The /OE pin controls the output enable function, allowing for efficient data transfer.
  • Chip Enable Control: The /CE pin enables or disables the chip, providing flexibility in accessing the IC.
  • Write Enable Control: The /WE pin controls the write enable function, ensuring secure and controlled data writing.

Advantages and Disadvantages

Advantages

  • High storage capacity for various applications
  • Fast access time for quick data retrieval
  • Low power consumption for energy efficiency
  • Reliable performance for stable operation

Disadvantages

  • Limited storage capacity compared to higher-capacity ICs
  • Relatively slower access time compared to faster ICs

Working Principles

The AT27LV256A-55RC operates based on the principles of non-volatile memory technology. It utilizes a combination of address inputs, control signals, and data input/output pins to store and retrieve digital information. The IC's internal circuitry ensures reliable data storage and retrieval, while the control signals enable efficient operation.

Detailed Application Field Plans

The AT27LV256A-55RC finds applications in various electronic devices that require non-volatile memory for data storage. Some of the common application fields include:

  1. Consumer Electronics: Used in digital cameras, MP3 players, and handheld gaming devices for storing user data and firmware.
  2. Automotive Systems: Integrated into automotive electronics for storing critical information such as engine parameters, navigation data, and vehicle settings.
  3. Industrial Control Systems: Employed in industrial automation systems for storing configuration data, program code, and sensor calibration values.
  4. Communication Devices: Utilized in networking equipment, routers, and modems for storing firmware and network configurations.

Detailed and Complete Alternative Models

  1. AT28C256-15PU: A similar IC with a storage capacity of 256 kilobits and an access time of 150 nanoseconds.
  2. AT29C010A-12PC: An alternative IC with a higher storage capacity of 1 megabit and an access time of 120 nanoseconds.
  3. AT49BV1614

Seznam 10 běžných otázek a odpovědí souvisejících s aplikací AT27LV256A-55RC v technických řešeních

Sure! Here are 10 common questions and answers related to the application of AT27LV256A-55RC in technical solutions:

  1. Q: What is the AT27LV256A-55RC? A: The AT27LV256A-55RC is a 256K (32K x 8) low-voltage, high-performance, one-time programmable (OTP) read-only memory (ROM) chip.

  2. Q: What is the operating voltage range for the AT27LV256A-55RC? A: The AT27LV256A-55RC operates within a voltage range of 2.7V to 5.5V.

  3. Q: What is the maximum clock frequency supported by the AT27LV256A-55RC? A: The AT27LV256A-55RC supports a maximum clock frequency of 55 MHz.

  4. Q: Can the AT27LV256A-55RC be reprogrammed after it has been programmed once? A: No, the AT27LV256A-55RC is a one-time programmable ROM chip, meaning it cannot be reprogrammed once it has been programmed.

  5. Q: What is the typical access time of the AT27LV256A-55RC? A: The typical access time of the AT27LV256A-55RC is 55 ns.

  6. Q: What is the package type of the AT27LV256A-55RC? A: The AT27LV256A-55RC comes in a 28-pin PDIP (Plastic Dual In-line Package).

  7. Q: Is the AT27LV256A-55RC compatible with both CMOS and TTL logic levels? A: Yes, the AT27LV256A-55RC is compatible with both CMOS and TTL logic levels.

  8. Q: Can the AT27LV256A-55RC operate in harsh environments? A: The AT27LV256A-55RC has a wide operating temperature range of -40°C to +85°C, making it suitable for use in various environments.

  9. Q: What are some typical applications of the AT27LV256A-55RC? A: The AT27LV256A-55RC is commonly used in embedded systems, automotive electronics, industrial control systems, and other applications that require non-volatile memory.

  10. Q: Is there any special programming equipment required for programming the AT27LV256A-55RC? A: Yes, you will need a device programmer that supports OTP ROM chips like the AT27LV256A-55RC to program it.