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CD4519 - Quad AND/OR Select Gate IC (Original)

CD4519 - Quad AND/OR Select Gate IC (Original)

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  • Very Low quiescent current
  • High noise immunity supply voltage range
  • 3V to 18V single supply voltage
  • Positive or negative logics wingins dependent of fanout
  • Package Type – 16 Pin DIP

CD4519 - Quad AND/OR Select Gate IC

The CD4x Series CD4519 CMOS IC can be configured as 4-bit AND/OR selectors, as quad 2-channel data selectors, or as quad exclusive-NOR gates. This is achieved by setting the control inputs to produce the particular function desired. The single supply voltage of the CD4519 quad IC is 3V to 18V. 


Pinout of CD4519 IC

Package Includes:

Selected qty of IC - CD4519


Quad (x4)
Inputs per Gate 2
Pin Count

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1.What is a CD4519 IC and what is its function? 

  • The CD4519 is a four-bit parallel binary adder and a synchronous presettable binary up/down counter in a CMOS integrated circuit. It can perform a wide range of counting and arithmetic operations, including number addition and subtraction, pulse train generation, and frequency division.

2.How does the CD4519 IC work and what are its features?

  • The CD4519 IC has four inputs (P0-P3) for setting the initial count value, four inputs (A0-A3) for adding a binary number to the count value, and a direction control input (UP/DN) for selecting the counting direction (up or down). The IC also has four outputs (Q0-Q3) that show the current count value, as well as a carry output (CO) that shows when the count has reached its maximum value (15) or minimum value (0) in the respective counting direction. The CD4519 IC's features include low power consumption, a wide supply voltage range (3V to 18V), and high noise immunity. It's common in electronic devices that need digital counting and arithmetic functions, like frequency synthesisers, event counters, and digital clocks.

3.What are some common applications of the CD4519 IC?

  • The CD4519 integrated circuit is widely used in a wide range of electronic applications that require digital counting and arithmetic functions. The CD4519 IC is commonly used for frequency synthesis, event counting, digital clocks, up/down counter circuits, and pulse generation.