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AT28HC64B-12JC

AT28HC64B-12JC

Product Overview

Category

AT28HC64B-12JC belongs to the category of high-speed, low-power Electrically Erasable Programmable Read-Only Memory (EEPROM) chips.

Use

This product is primarily used for non-volatile data storage in various electronic devices such as microcontrollers, computers, and consumer electronics.

Characteristics

  • High-speed operation
  • Low power consumption
  • Non-volatile memory
  • Electrically erasable and programmable
  • Reliable data retention
  • Wide temperature range compatibility

Package

AT28HC64B-12JC is available in a 32-pin plastic J-lead chip carrier (PLCC) package.

Essence

The essence of AT28HC64B-12JC lies in its ability to provide reliable and non-volatile data storage with high-speed operation and low power consumption.

Packaging/Quantity

This product is typically packaged in reels or tubes, with a quantity of 1000 units per reel/tube.

Specifications

  • Memory Size: 64 kilobits (8 kilobytes)
  • Organization: 8,192 words × 8 bits
  • Supply Voltage: 2.7V to 5.5V
  • Access Time: 120 ns
  • Operating Temperature Range: -40°C to +85°C
  • Data Retention: 10 years

Detailed Pin Configuration

  1. A14
  2. A12
  3. A7
  4. A6
  5. A5
  6. A4
  7. A3
  8. A2
  9. A1
  10. A0
  11. E
  12. G
  13. VCC
  14. NC
  15. I/O0
  16. I/O1
  17. I/O2
  18. I/O3
  19. I/O4
  20. I/O5
  21. I/O6
  22. I/O7
  23. CE
  24. OE
  25. WE
  26. A8
  27. A9
  28. A11
  29. A10
  30. VSS
  31. NC
  32. NC

Functional Features

  • High-speed read and write operations
  • Byte-wise and page-wise erase and program operations
  • Hardware and software data protection mechanisms
  • Automatic sleep mode for power saving
  • Built-in error detection and correction (EDC) mechanism

Advantages and Disadvantages

Advantages

  • Fast operation allows for efficient data access
  • Low power consumption extends battery life in portable devices
  • Non-volatile memory ensures data retention even during power loss
  • Wide temperature range compatibility enables usage in various environments

Disadvantages

  • Limited storage capacity compared to other memory technologies
  • Relatively higher cost per unit compared to some alternatives

Working Principles

AT28HC64B-12JC utilizes a combination of electrically erasable and programmable memory cells to store and retrieve data. The memory cells are organized into a matrix, with each cell representing a bit of information. The chip's control signals enable reading, writing, erasing, and protecting the stored data.

Detailed Application Field Plans

AT28HC64B-12JC finds applications in various fields, including: 1. Microcontrollers and embedded systems 2. Computer peripherals and storage devices 3. Automotive electronics 4. Industrial automation 5. Consumer electronics

Detailed and Complete Alternative Models

  1. AT28HC256-12JC: 256 kilobits EEPROM with similar characteristics and package.
  2. AT28HC16B-12JC: 16 kilobits EEPROM with similar characteristics and package.
  3. AT28HC256-90JC: 256 kilobits EEPROM with higher access time but similar package.

(Note: This list is not exhaustive and other alternative models may exist.)

In conclusion, AT28HC64B-12JC is a high-speed, low-power EEPROM chip that provides reliable non-volatile data storage. Its characteristics, specifications, pin configuration, functional features, advantages, and disadvantages make it suitable for various applications in different fields.

Liệt kê 10 câu hỏi và câu trả lời thường gặp liên quan đến ứng dụng AT28HC64B-12JC trong giải pháp kỹ thuật

Sure! Here are 10 common questions and answers related to the application of AT28HC64B-12JC in technical solutions:

  1. Q: What is the AT28HC64B-12JC? A: The AT28HC64B-12JC is a high-speed, low-power CMOS 64K (8K x 8) EEPROM memory chip.

  2. Q: What are the key features of the AT28HC64B-12JC? A: Some key features include a 12ns access time, wide operating voltage range (2.7V to 5.5V), and a 100,000 write cycle endurance.

  3. Q: How can I interface the AT28HC64B-12JC with a microcontroller? A: The AT28HC64B-12JC uses a standard parallel interface, making it compatible with most microcontrollers. You can connect it using address, data, and control lines.

  4. Q: Can I use the AT28HC64B-12JC in battery-powered devices? A: Yes, the AT28HC64B-12JC has a low power consumption design, making it suitable for battery-powered applications.

  5. Q: What is the maximum operating frequency of the AT28HC64B-12JC? A: The AT28HC64B-12JC can operate at frequencies up to 83MHz, allowing for fast data transfer.

  6. Q: Can I reprogram the AT28HC64B-12JC multiple times? A: Yes, the AT28HC64B-12JC supports both read and write operations, allowing for multiple reprogramming cycles.

  7. Q: Is the AT28HC64B-12JC compatible with industrial temperature ranges? A: Yes, the AT28HC64B-12JC is designed to operate in a wide temperature range from -40°C to 85°C, making it suitable for industrial applications.

  8. Q: How can I ensure data integrity when using the AT28HC64B-12JC? A: The AT28HC64B-12JC includes built-in error detection and correction (EDC) circuitry, which helps maintain data integrity.

  9. Q: Can I use the AT28HC64B-12JC in automotive applications? A: Yes, the AT28HC64B-12JC meets the requirements for automotive electronics, including extended temperature ranges and reliability.

  10. Q: Are there any development tools available for programming the AT28HC64B-12JC? A: Yes, Atmel provides development tools such as programmers and emulators that can be used to program and test the AT28HC64B-12JC.

Please note that these answers are general and may vary depending on specific application requirements.