Microchip Technology
Obrázek může být reprezentace.
Viz Specifikace pro podrobnosti o produktu.
AT28C64-12SC
Zobrazit detail DataSheets

AT28C64-12SC

Product Overview

Category

AT28C64-12SC belongs to the category of electrically erasable programmable read-only memory (EEPROM) chips.

Use

This product is commonly used in electronic devices for storing and retrieving data. It allows for non-volatile storage, meaning that the data remains even when power is removed.

Characteristics

  • Electrically erasable: The AT28C64-12SC can be erased and reprogrammed electronically, making it convenient for updating or modifying stored data.
  • Non-volatile: The data stored in this chip is retained even when power is turned off.
  • High capacity: The AT28C64-12SC has a capacity of 64 kilobits, allowing for the storage of a significant amount of data.
  • Low power consumption: This chip operates on low power, making it suitable for battery-powered devices.

Package

The AT28C64-12SC comes in a small outline integrated circuit (SOIC) package. This package type provides a compact form factor and ease of integration into electronic circuits.

Essence

The essence of the AT28C64-12SC lies in its ability to store and retrieve data reliably and efficiently. It offers a high-capacity solution for non-volatile memory requirements in various electronic applications.

Packaging/Quantity

The AT28C64-12SC is typically packaged in reels or tubes, with each reel or tube containing a specific quantity of chips. The exact packaging and quantity may vary depending on the manufacturer and customer requirements.

Specifications

  • Capacity: 64 kilobits (8 kilobytes)
  • Operating voltage: 5V
  • Access time: 120 nanoseconds
  • Erase/write cycles: 10,000 minimum
  • Data retention: 10 years minimum
  • Package type: SOIC

Detailed Pin Configuration

The AT28C64-12SC has a total of 28 pins. The pin configuration is as follows:

  1. A14
  2. A12
  3. A7
  4. A6
  5. A5
  6. A4
  7. A3
  8. A2
  9. A1
  10. A0
  11. /OE (Output Enable)
  12. /WE (Write Enable)
  13. VCC (Power Supply)
  14. NC (No Connection)
  15. A8
  16. A9
  17. A11
  18. A10
  19. DQ0
  20. DQ1
  21. DQ2
  22. DQ3
  23. DQ4
  24. DQ5
  25. DQ6
  26. DQ7
  27. /CE (Chip Enable)
  28. GND (Ground)

Functional Features

  • High-speed operation: The AT28C64-12SC offers fast access times, allowing for efficient data retrieval and storage.
  • Easy integration: This chip can be easily integrated into existing electronic circuits due to its standard pin configuration and package type.
  • Reliable data retention: The AT28C64-12SC ensures long-term data retention, making it suitable for applications where data integrity is crucial.
  • Low power consumption: With its low power requirements, this chip helps conserve energy in battery-powered devices.

Advantages and Disadvantages

Advantages

  • Electrically erasable and reprogrammable
  • Non-volatile data storage
  • High capacity
  • Compact form factor
  • Low power consumption

Disadvantages

  • Limited erase/write cycles
  • Relatively slower access times compared to some other memory technologies

Working Principles

The AT28C64-12SC utilizes a combination of electronic circuits and memory cells to store and retrieve data. When data needs to be written or erased, specific voltage levels are applied to the appropriate pins, triggering the necessary operations within the chip. The stored data can then be accessed by providing the correct address and control signals.

Detailed Application Field Plans

The AT28C64-12SC finds applications in various electronic devices and systems, including but not limited to: - Microcontrollers - Embedded systems - Communication devices - Automotive electronics - Industrial control systems

In these applications, the AT28C64-12SC serves as a reliable storage medium for critical data such as program code, configuration settings, and user information.

Detailed and Complete Alternative Models

There are several alternative models available in the market that offer similar functionality to the AT28C64-12SC. Some notable alternatives include: - AT28C256: A higher-capacity EEPROM chip with 256 kilobits of storage. - AT29C010A: A flash memory chip with 1 megabit capacity. - 24LC64: An I2C-compatible EEPROM chip with 64 kilobits capacity.

These

Seznam 10 běžných otázek a odpovědí souvisejících s aplikací AT28C64-12SC v technických řešeních

Sure! Here are 10 common questions and answers related to the application of AT28C64-12SC in technical solutions:

  1. Q: What is AT28C64-12SC? A: AT28C64-12SC is a specific model of EEPROM (Electrically Erasable Programmable Read-Only Memory) chip manufactured by Atmel Corporation.

  2. Q: What is the capacity of AT28C64-12SC? A: The AT28C64-12SC has a capacity of 64 kilobits, which is equivalent to 8 kilobytes.

  3. Q: What does the "12SC" in the model number represent? A: The "12SC" indicates that the chip operates with a maximum access time of 120 ns.

  4. Q: What are some common applications of AT28C64-12SC? A: AT28C64-12SC is commonly used in various electronic devices such as microcontrollers, embedded systems, industrial control systems, and automotive electronics.

  5. Q: How is AT28C64-12SC programmed? A: AT28C64-12SC can be programmed using a standard EEPROM programmer or through in-circuit programming using appropriate hardware and software.

  6. Q: Can AT28C64-12SC be reprogrammed multiple times? A: Yes, AT28C64-12SC is an electrically erasable memory, which means it can be erased and reprogrammed multiple times.

  7. Q: What is the operating voltage range for AT28C64-12SC? A: The operating voltage range for AT28C64-12SC is typically between 4.5V and 5.5V.

  8. Q: Does AT28C64-12SC require any special programming voltage or timing requirements? A: No, AT28C64-12SC operates with standard TTL-compatible inputs and does not require any special programming voltage or timing requirements.

  9. Q: Can AT28C64-12SC retain data without power supply? A: Yes, AT28C64-12SC has non-volatile memory, which means it can retain data even when the power supply is disconnected.

  10. Q: Are there any specific precautions to consider while handling AT28C64-12SC? A: It is important to handle AT28C64-12SC chips with proper electrostatic discharge (ESD) precautions to prevent damage. Additionally, care should be taken to avoid exceeding the maximum ratings specified in the datasheet, such as voltage and temperature limits.

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