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SN74HC138QDRG4Q1

SN74HC138QDRG4Q1

Manufacturer No:

SN74HC138QDRG4Q1

Manufacturer:

Texas Instruments

Description:

IC DECODER/DEMUX 1X3:8 16SOIC

Datasheet:

Datasheet

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SN74HC138QDRG4Q1 Specifications

  • Type
    Parameter
  • Supplier Device Package
    16-SOIC
  • Package / Case
    16-SOIC (0.154", 3.90mm Width)
  • Mounting Type
    Surface Mount
  • Operating Temperature
    -40°C ~ 125°C
  • Voltage - Supply
    2V ~ 6V
  • Voltage Supply Source
    Single Supply
  • Current - Output High, Low
    5.2mA, 5.2mA
  • Independent Circuits
    1
  • Circuit
    1 x 3:8
  • Type
    Decoder/Demultiplexer
  • Packaging
    Cut Tape (CT)
  • Packaging
    Tape & Reel (TR)
  • Product Status
    Active
  • Series
    Automotive, AEC-Q100, 74HC
The MM74C922N is an integrated circuit (IC) chip that is widely used in keypad scanning or digital data entry applications. Some of the advantages and application scenarios of the MM74C922N IC chip are as follows:Advantages:1. Keypad Scanning: The MM74C922N chip is designed specifically for scanning and decoding the inputs from a matrix keypad. It can scan up to 16 keys arranged in a 4x4 or 4x3 matrix configuration. This makes it a suitable choice for applications requiring user input through keypads.2. Built-in Debouncing: The chip has built-in debouncing circuitry which eliminates the need for additional external components or software to handle debounce. It ensures reliable and accurate key detection by filtering out any noise or bounce generated by keypresses.3. 3-Wire Serial Interface: The MM74C922N chip communicates with a microcontroller or other digital devices using a simple 3-wire serial interface. This makes it easy to interface with a wide range of microcontrollers or other digital systems, reducing complexity and required external components.Application Scenarios:1. Security Systems: The MM74C922N chip can be used in security systems that require a keypad for user authentication. It can scan the keys pressed by the user and provide the corresponding output for further processing or validation. Examples include home security systems, access control panels, or PIN-based door locks.2. Handheld Devices: The chip finds applications in handheld devices where user input is required. It can be used in products like calculators, remote controls, portable gaming consoles, digital organizers, etc., where a matrix keypad is used for data entry.3. Industrial Control Panels: The MM74C922N can be used in industrial control panels or human-machine interfaces where keypad input is needed for data entry or control operations. This includes applications in manufacturing, automation, robotics, machine controls, etc.4. Gaming Consoles: The chip can be utilized in gaming consoles or arcade machines that incorporate a keypad for player input. It decodes the keypresses from the matrix keypad and provides the necessary data to the gaming system for game control or navigation.In conclusion, the MM74C922N IC chip offers advantages like keypad scanning, built-in debouncing, and a simple serial interface. It finds applications in a variety of scenarios such as security systems, handheld devices, industrial control panels, and gaming consoles that require keypad input.
SN74HC138QDRG4Q1 Relevant information