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Future Electronics Egypt

74HC147 (10-to-4 Line Priority Encoder)

74HC147 (10-to-4 Line Priority Encoder)

LE 5.00


CD74HC147E provide the 10-line to 4-line priority encoding function by use of the implied decimal “zero”. The “zero” is encoded when all nine data inputs are HIGH, forcing all four outputs HIGH.




FEATURES

  • Encodes 10-line decimal to 4-line BCD
  • Useful for 10-position switch encoding
  • Used in code converters and generators
  • Output capability: standard
  • ICC category: MS

    Specification

    • Propagation Delay Time: 160 ns at 2V / 27 ns at 6V at 25°C             
    • Output Current: 5.2 mA at  6 V 
    • No. of Pins: 16
    • Operating Temperature Range: -40°C to +125°C
    • Supply Voltage Range: 2V to 6V
    • Package: DIP-16 
    Symbol

    PIN

    Description

    Y0 to Y3

    9,7,6,14

    enable input (active LOW)

    A0 to A8

    11,12,13,1,2,3,4,5,10

    address input

    n.c.

    15

    output (active LOW)

    GND

    8

    ground (0 V)

    VCC

    16

    positive supply voltage

     For CD74HC147E Datasheet Click Here

     

     



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