74125 (Quad 3-State Buffer)


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74LS125N contains four independent gates each of which performs a non-inverting buffer function. 

The outputs have the 3-STATE feature. When enabled, the outputs exhibit the low impedance characteristics of a standard LS output with additional drive capability to permit the driving of buslines without external resistors. 

When disabled, both the output transistors are turned off presenting a high-impedance state to the bus line. Thus the output will act neither as a significant load nor as a driver. 


  • Propagation Delay Time: 100 ns at 2V / 17 ns at 6V at 25°C
  • No. of Gates:4
  • Output Current: 5.2 mA at  6 V
  • No. of Inputs: 1X4
  • No. of Pins: 14
  • Operating Temperature Range: -40°C to +125°C
  • Supply Voltage Range: 2V to 6V
  • Package: DIP-14

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74125 (Quad 3-State Buffer)


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