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Quad 3-State Buffer IC - 74HC126

Quad 3-State Buffer IC - 74HC126

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  • Quad bus buffers
  • 3-state outputs
  • Separate control for each channel
  • It is commonly used in digital circuits to isolate and amplify signals, and allows multiple devices to share the same data bus

Quad 3-State Buffer IC - 74HC126

The 74HC Series 74HC126 is a 14 Pin Quad 3-State Non-Inverting Buffer IC having 4 independent gates with 4.75V to 5.25V Operating Voltage and 8mA output current. When 3-states are enabled, the outputs exhibit the low impedance characteristics of a standard HC output with additional drive capability to permit the driving of bus lines without external resistors. When disabled, both the output transistors are turned OFF presenting a high-impedance state to the bus line.

check out : Quad Tri-state Buffer IC - 74HC125


Pinout Of 74HC126 IC

Package Includes:

  • 1 x IC - 74HC126


Package Type DIP 
Logic Element Quad 3-State Buffer, Non- Inverting
Voltage Rating 4.75 to 5.25V
Current Rating 8mA Output Current 
Temperature Rating 0 to 70 Deg C
Number of Pins 14

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1.What is the function of the 74HC126 IC?

  • The 74HC126 is a quad buffer gate with three output states. It is frequently used in digital circuits to isolate and amplify signals, and it enables multiple devices to share the same data bus.

2.What is the purpose of the 3-state outputs on the 74HC126 IC? 

  • The 74HC126 IC's 3-state outputs allow the outputs to be placed in a high-impedance state, effectively disconnecting them from the output bus. When multiple devices must share the same bus, this prevents signal conflicts.