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74HC574 - Octal D-type flip-flop

General Description

The 74HC574; 74HCT574 is an 8-bit positive-edge triggered D-type flip-flop with 3-state outputs.

Key Features

  • Input levels:.
  • For 74HC574: CMOS level.
  • For 74HCT574: TTL level.
  • 3-state non-inverting outputs for bus oriented.

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📁 Similar Datasheet

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Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

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74HC574; 74HCT574 Octal D-type flip-flop; positive edge-trigger; 3-state Rev. 7 — 4 March 2016 Product data sheet 1. General description The 74HC574; 74HCT574 is an 8-bit positive-edge triggered D-type flip-flop with 3-state outputs. The device features a clock (CP) and output enable (OE) inputs. The flip-flops will store the state of their individual D-inputs that meet the set-up and hold time requirements on the LOW-to-HIGH clock (CP) transition. A HIGH on OE causes the outputs to assume a high-impedance OFF-state. Operation of the OE input does not affect the state of the flip-flops. Inputs include clamp diodes. This enables the use of current limiting resistors to interface inputs to voltages in excess of VCC. 2.