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Future Electronics Egypt

74HC574N (Octal D Flip Flop 3-State)

74HC574N (Octal D Flip Flop 3-State)

LE 24.00

Product Description

The 74HC574 are octal D-type flip-flops featuring separate D-type inputs for each flip-flop and 3-state outputs for bus-oriented applications. 

A clock (CP) and an output enable (OE) input are common to all flip-flops. The 8 flip-flops will store the state of their individual D-inputs that meet the set-up and hold times requirements on the LOW-to-HIGH CP transition. 

When OE is LOW the contents of the 8 flip-flops are available at the outputs. When OE is HIGH, the outputs go to the high-impedance OFF-state. Operation of the OE input does not affect the state of the flip-flops.

The 74HC574; 74HCT574 is functionally identical to:

  • 74HC564: but has non-inverting outputs
  • 74HC374; 74HCT374: but has a different pin arrangement

74HC574 datasheet



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