Microchip Technology
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AT28HC256F-12SC
বিস্তারিত দেখুন ডেটাশিট

AT28HC256F-12SC

Product Overview

Category

AT28HC256F-12SC belongs to the category of high-speed, high-density 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
  • High-density storage capacity
  • Electrically erasable and programmable
  • Non-volatile memory
  • Reliable and durable

Package

AT28HC256F-12SC is available in a small outline package (SOIC) format. This package provides ease of integration into circuit boards and ensures efficient space utilization.

Essence

The essence of AT28HC256F-12SC lies in its ability to store and retrieve data reliably and quickly, making it an essential component in modern electronic devices.

Packaging/Quantity

AT28HC256F-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.

Specifications

  • Operating Voltage: 2.7V to 5.5V
  • Storage Capacity: 256 kilobits (32 kilobytes)
  • Access Time: 120 nanoseconds
  • Organization: 32K x 8 bits
  • Interface: Serial Peripheral Interface (SPI)
  • Data Retention: 10 years
  • Endurance: 100,000 write cycles

Detailed Pin Configuration

The AT28HC256F-12SC chip has a total of 28 pins. The pin configuration is as follows:

  1. Chip Enable (CE)
  2. Output Enable (OE)
  3. Write Enable (WE)
  4. Address Inputs (A0-A14)
  5. Data Inputs/Outputs (DQ0-DQ7)
  6. Supply Voltage (VCC)
  7. Ground (GND)

Functional Features

  • High-speed data access and transfer
  • Low power consumption
  • Hardware and software write protection
  • Automatic page write and erase capability
  • Software-controlled chip erase function
  • Sector and block-level protection options

Advantages

  • Fast operation allows for efficient data processing
  • High-density storage capacity accommodates large amounts of data
  • Electrically erasable and programmable nature enables flexibility in data management
  • Reliable and durable, ensuring long-term data retention
  • Versatile interface compatibility enhances integration with various systems

Disadvantages

  • Limited storage capacity compared to other memory technologies
  • Higher cost per bit compared to traditional Read-Only Memory (ROM) chips
  • Limited endurance due to the finite number of write cycles

Working Principles

AT28HC256F-12SC utilizes a combination of electronic circuits and memory cells to store and retrieve data. The EEPROM technology employed allows for electrically erasing and programming data, providing non-volatile storage capabilities.

Detailed Application Field Plans

AT28HC256F-12SC finds applications in various fields, including but not limited to:

  1. Microcontroller-based systems
  2. Embedded systems
  3. Automotive electronics
  4. Industrial control systems
  5. Communication devices
  6. Consumer electronics

Detailed and Complete Alternative Models

  1. AT28C256-15PU
  2. AT28BV256-20TU
  3. AT28HC256E-90SU
  4. AT28HC256E-70JU
  5. AT28HC256E-70PU

These alternative models offer similar functionality and specifications to AT28HC256F-12SC, providing users with options based on their specific requirements.

In conclusion, AT28HC256F-12SC is a high-speed, high-density EEPROM chip that offers reliable and flexible data storage capabilities. Its versatile applications and compatibility make it an essential component in various electronic devices.

প্রযুক্তিগত সমাধানে AT28HC256F-12SC এর প্রয়োগ সম্পর্কিত 10টি সাধারণ প্রশ্ন ও উত্তর তালিকাভুক্ত করুন

Sure! Here are 10 common questions and answers related to the application of AT28HC256F-12SC in technical solutions:

  1. Q: What is the AT28HC256F-12SC? A: The AT28HC256F-12SC is a high-speed, low-power CMOS 256K (32K x 8) EEPROM memory chip.

  2. Q: What are the key features of the AT28HC256F-12SC? A: The key features include a 120 ns access time, wide operating voltage range (2.7V to 5.5V), and a high endurance of 100,000 write cycles.

  3. Q: How can I interface the AT28HC256F-12SC with a microcontroller? A: The AT28HC256F-12SC 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 AT28HC256F-12SC in battery-powered applications? A: Yes, the AT28HC256F-12SC has a low power consumption design, making it suitable for battery-powered devices.

  5. Q: What is the maximum operating frequency of the AT28HC256F-12SC? A: The AT28HC256F-12SC can operate at frequencies up to 20 MHz, allowing for fast data transfer.

  6. Q: Does the AT28HC256F-12SC support multiple read and write operations simultaneously? A: No, the AT28HC256F-12SC is a single-access memory, meaning it can perform one read or write operation at a time.

  7. Q: Can I store program code in the AT28HC256F-12SC? A: Yes, the AT28HC256F-12SC can be used to store program code, making it suitable for applications that require non-volatile memory.

  8. Q: What is the data retention period of the AT28HC256F-12SC? A: The AT28HC256F-12SC has a minimum data retention period of 10 years, ensuring long-term reliability.

  9. Q: Can I erase and reprogram the AT28HC256F-12SC multiple times? A: No, the AT28HC256F-12SC is an EEPROM memory, which means it can be electrically erased and reprogrammed but has a limited number of write cycles (100,000).

  10. Q: Are there any specific precautions I should take when handling the AT28HC256F-12SC? A: It is recommended to follow proper ESD (Electrostatic Discharge) precautions while handling the AT28HC256F-12SC to prevent damage to the chip.