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74AC109 Datasheet Dual Jk Positive Edge-triggered Flip-flop

Manufacturer: Fairchild (now onsemi)

Overview: 74AC109, 74ACT109 Dual JK Positive Edge-Triggered Flip-Flop March 2007 74AC109, 74ACT109 Dual JK Positive Edge-Triggered.

This datasheet includes multiple variants, all published together in a single manufacturer document.

General Description

The AC/ACT109 consists of two high-speed completely independent transition clocked JK flip-flops.

The clocking operation is independent of rise and fall times of the clock waveform.

The JK design allows operation as a D-Type flip-flop (refer to AC/ACT74 data sheet) by connecting the J and K inputs together.

Key Features

  • ICC reduced by 50%.
  • Outputs source/sink 24mA.
  • ACT109 has TTL-compatible inputs tm General.

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