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MM74C928N
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MM74C928N

Product Overview

Category

MM74C928N belongs to the category of integrated circuits.

Use

It is commonly used as a 4-bit microprocessor-compatible binary-to-BCD converter.

Characteristics

  • Converts binary input to BCD output
  • Microprocessor compatible
  • Low power consumption

Package

MM74C928N is available in a 14-pin dual in-line package (DIP).

Essence

The essence of MM74C928N lies in its ability to efficiently convert binary data to binary-coded decimal (BCD) format, making it suitable for various digital applications.

Packaging/Quantity

The product is typically sold in reels or tubes containing multiple units, with specific quantities varying by manufacturer.

Specifications

  • Supply Voltage: 5V
  • Input Voltage: 0V to 5V
  • Operating Temperature: -55°C to 125°C
  • Output Current: 8mA

Detailed Pin Configuration

  1. A0 (Input)
  2. A1 (Input)
  3. A2 (Input)
  4. A3 (Input)
  5. BCD Output 0
  6. BCD Output 1
  7. BCD Output 2
  8. BCD Output 3
  9. GND
  10. Enable (Input)
  11. Binary Input 0
  12. Binary Input 1
  13. Binary Input 2
  14. VCC

Functional Features

  • Conversion of binary input to BCD output
  • Compatibility with microprocessors
  • Low power consumption

Advantages and Disadvantages

Advantages

  • Efficient binary-to-BCD conversion
  • Microprocessor compatibility
  • Low power consumption

Disadvantages

  • Limited to 4-bit conversion
  • Requires external enable signal for operation

Working Principles

MM74C928N operates by accepting 4-bit binary input and converting it into corresponding BCD output. The internal logic circuitry processes the input signals to produce the desired BCD representation.

Detailed Application Field Plans

Digital Systems

MM74C928N finds application in digital systems where binary-to-BCD conversion is required, such as digital clocks, calculators, and digital displays.

Embedded Systems

In embedded systems, MM74C928N can be utilized for converting binary data from sensors or other sources into BCD format for further processing.

Detailed and Complete Alternative Models

  • CD4028
  • SN54LS85
  • 74HC85
  • MC14528B

In conclusion, MM74C928N is a versatile integrated circuit that excels in binary-to-BCD conversion, making it an essential component in various digital and embedded systems.

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Listen Sie 10 häufige Fragen und Antworten im Zusammenhang mit der Anwendung von MM74C928N in technischen Lösungen auf

Sure, here are 10 common questions and answers related to the application of MM74C928N:

  1. What is MM74C928N?

    • MM74C928N is a 16-key encoder designed for use in human interface applications.

  2. What is the operating voltage range of MM74C928N?

    • The operating voltage range of MM74C928N is typically between 4.5V to 6V.

  3. What is the maximum frequency at which MM74C928N can operate?

    • MM74C928N can typically operate at a maximum frequency of 100kHz.

  4. What are the typical applications of MM74C928N?

    • MM74C928N is commonly used in applications such as keypads, keyboards, and other human interface devices.

  5. How many keys can MM74C928N encode?

    • MM74C928N can encode up to 16 keys.

  6. What type of output does MM74C928N provide?

    • MM74C928N provides a 4-bit binary or BCD (Binary Coded Decimal) output.

  7. Is MM74C928N compatible with microcontrollers?

    • Yes, MM74C928N is compatible with most microcontrollers and can be easily interfaced with them.

  8. What is the typical power consumption of MM74C928N?

    • The typical power consumption of MM74C928N is low, making it suitable for battery-powered devices.

  9. Can MM74C928N handle debounce for key inputs?

    • Yes, MM74C928N includes debounce circuitry to eliminate contact bounce in key switches.

  10. Are there any specific layout considerations when using MM74C928N in a design?

    • It's important to follow the recommended layout guidelines provided in the datasheet to ensure proper operation and minimize noise susceptibility.

These questions and answers should provide a good overview of the application of MM74C928N in technical solutions.