JK Flip-Flop

Official

Digital

·

Generic

·

Curated by CircuitSim

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Used in 1 public circuit

JK Flip-Flop schematic symbol
Details

Manufacturer

Generic


Part number


Pins

7


Used in

1 circuit


Added

Jun 2026

About this component

JK flip-flop with set, reset, clock polarity, initial state, and propagation delay parameters.

Parameters

Logic options
5 parameters
ParameterNameDescriptionDefault

ACTIVELOWSETRESET

Active-low set/reset

Set to 1 to invert the SET and RESET inputs.

0

NEGATIVEEDGECLOCK

Negative-edge clock

Set to 1 to trigger on the falling clock edge.

0

INITIALSTATE

Initial state

Initial Q state.

0

VTH

Input threshold

Analog threshold used to interpret logic inputs.

2.5 V

VHIGH

High output voltage

Analog voltage driven for logic high outputs.

5 V

Timing
5 parameters
ParameterNameDescriptionDefault

CLOCKDELAY

Clock delay

Clock-to-output delay.

1e-9 s

SETDELAY

Set delay

Set-to-output delay.

1e-9 s

RESETDELAY

Reset delay

Reset-to-output delay.

1e-9 s

RISEDELAY

Rise delay

Output low-to-high propagation delay.

1e-9 s

FALLDELAY

Fall delay

Output high-to-low propagation delay.

1e-9 s

Pins

Pins
7 pins
NumberNameDescription

1

J

J input.

2

K

K input.

3

CLK

Clock input.

4

SET

Set input.

5

RESET

Reset input.

6

Q

Q output.

7

~Q

Complementary Q output.

Public circuits using this component

Circuits
1 circuit
Circuit nameCreated byLast updated
See all public circuits using this component

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