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J-K Type Flip-Flops

Robust interfacing between asynchronous and synchronous systems

Flip-flops are basic storage elements in digital electronics. By only allowing the output to change on an edge transition, flip-flops provide a robust interface between asynchronous and synchronous systems. With a choice of either positive or negative edge triggered options they provide added design flexibility.

Key features and benefits

  • Mixed 5 V and 3.3 V applications
  • Improved signal integrity with integrated termination resistors
  • High noise immunity
  • Flow through pin out for easy layout
  • Wide supply voltage range
  • Low propagation delay
  • Overvoltage tolerant input options
  • Integrated source termination resistor options
  • Bus hold options

Key applications

  • Frequency division
  • Controlled delays
  • Interface between asynchronous and synchronous systems

Parametric search

Flip-Flops
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Products

Type number Description Status Quick access
74HC107; 74HCT107 Dual JK flip-flop with reset; negative-edge trigger ACT
74HC107D Dual JK flip-flop with reset; negative-edge trigger Production
74HC107DB Dual JK flip-flop with reset; negative-edge trigger Not for design in
74HC107PW Dual JK flip-flop with reset; negative-edge trigger Production
74HCT107D Dual JK flip-flop with reset; negative-edge trigger Production
74HC109; 74HCT109 Dual JK flip-flop with set and reset; positive-edge trigger ACT
74HC109D Dual JK flip-flop with set and reset; positive-edge trigger Production
74HC109DB Dual JK flip-flop with set and reset; positive-edge trigger Not for design in
74HCT109D Dual JK flip-flop with set and reset; positive-edge trigger Production
74HCT109DB Dual JK flip-flop with set and reset; positive-edge trigger Not for design in
74HCT109PW Dual JK flip-flop with set and reset; positive-edge trigger Production
74HC112; 74HCT112 dual JK flip-flop with set and reset; negative-edge trigger ACT
74HC112D dual JK flip-flop with set and reset; negative-edge trigger Production
74HC112PW dual JK flip-flop with set and reset; negative-edge trigger Production
74HCT112D dual JK flip-flop with set and reset; negative-edge trigger Production
74HCT112PW dual JK flip-flop with set and reset; negative-edge trigger Production
74HC73 Dual JK flip-flop with reset; negative-edge trigger ACT
74HC73D Dual JK flip-flop with reset; negative-edge trigger Production
74HC73DB Dual JK flip-flop with reset; negative-edge trigger Not for design in
74HC73PW Dual JK flip-flop with reset; negative-edge trigger Production
HEF4027B Dual JK flip-flop ACT
HEF4027BT Dual JK flip-flop Production

Marcom graphics (1)
File name Title Type Date
TSSOP16_SOT403-1_mk plastic, thin shrink small outline package; 16 leads; 0.65 mm pitch; 5 mm x 4.4 mm x 1.1 mm body Marcom graphics 2017-01-28

Selection guide (1)
File name Title Type Date
nexperia_selection_guide_2019_201901 Selection guide 2019. Discretes, Logic and MOSFETs Selection guide 2018-12-12

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