Flip Flops

Flip Flops are electronic circuits equipped with two stable states. They can be utilized for storing binary data or state information. These stored data may be altered through the application of different inputs. Along with latches, flip flops play a significant role in digital electronics systems for communications, computers, and various other systems. In sequential logic, they serve as basic storage elements.

A flip flop can be edge-triggered or clocked/synchronous, or level-triggered/transparent or asynchronous. Changes in an edge-triggered flip flop happen only when they are on a negative going or positive going/single type clock edge.

Level-triggered flip flops immediately turn transparent when they are enabled.

Types of Flip Flop

The common types of flip flop are D flip flop, SR flip flop, T flip flop, and JK flip flop.

  • Aside from Clock input, the D flip flop also has Data input. Once the Clock input is triggered, the Data input and Q output are matched. A high Data input results to a high Q output, while a low Q output produces low Data input.
  • SR flip flop has a Clock input and two others that are known as Set and Reset. When the Clock input is triggered and the Set input is high, then you’ll get a high Q output. A high Reset input will give you a low Q output.
  • A T flip flop can be created through a D flip flop. This happens when the Q-bar output and the D input are directly connected to each other. The process results to an inverted Q output (Q-bar) that is then sent to the D input. So, whenever the clock is triggered, an alternating High and Low output is created.
  • JK flip flop is an SR flip flop variation. It has the J and K inputs, with the J input matching with the Set input and the K input with the Reset input.

Parts from Flip Flops Category

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SN74AUP1G80DCKR from Texas Instruments
Texas Instruments

D FLIP FLOP, SINGLE, INVERTING, SC-70-5; Logic Family / Base Number:74AUP1G80; Flip-Flop Type:D; Propagation Delay:4.2ns; Frequency:280MHz; Output Current:-; Logic Case Style:SC-70; No. of Pins:5Pins; Trigger Type:Positive Edge RoHS Compliant: Yes

MC14027BDR2G. from On Semiconductor
On Semiconductor

Logic Family / Base Number:MC14027B; Flip-Flop Type:JK; Propagation Delay:75ns; Frequency:13MHz; Output Current:-; Logic Case Style:SOIC; No. of Pins:16Pins; Trigger Type:Positive Edge; IC Output Type:Complementary; Product Range:- RoHS Compliant: Yes

MC74HCT74ADR2G. from On Semiconductor
On Semiconductor

Logic Family / Base Number:74HCT74; Flip-Flop Type:D; Propagation Delay:24ns; Frequency:30MHz; Output Current:-; Logic Case Style:NSOIC; No. of Pins:14Pins; Trigger Type:Positive Edge; IC Output Type:Complementary; Product Range:- RoHS Compliant: Yes

MC74HCT273ADWR2G. from On Semiconductor
On Semiconductor

Logic Family / Base Number:74HCT273; Flip-Flop Type:D; Propagation Delay:25ns; Frequency:20MHz; Output Current:25mA; Logic Case Style:WSOIC; No. of Pins:20Pins; Trigger Type:Positive Edge; IC Output Type:Non Inverted; Product Range:-RoHS Compliant: Yes

MC74HC374ADWR2G. from On Semiconductor
On Semiconductor

Logic Family / Base Number:74HC374; Flip-Flop Type:D; Propagation Delay:25ns; Frequency:35MHz; Output Current:-; Logic Case Style:WSOIC; No. of Pins:20Pins; Trigger Type:Positive Edge; IC Output Type:Tri State Non Inverted RoHS Compliant: Yes

MC74HC574ADWR2G. from On Semiconductor
On Semiconductor

Logic Family / Base Number:74HC574; Flip-Flop Type:D; Propagation Delay:240ns; Frequency:24MHz; Output Current:6mA; Logic Case Style:WSOIC; No. of Pins:20Pins; Trigger Type:Positive Edge; IC Output Type:Tri State Non Inverted RoHS Compliant: Yes

MC74LCX574DTR2G. from On Semiconductor
On Semiconductor

Logic Family / Base Number:74LCX574; Flip-Flop Type:D; Propagation Delay:8.5ns; Frequency:150MHz; Output Current:-; Logic Case Style:TSSOP; No. of Pins:20Pins; Trigger Type:Positive Edge; IC Output Type:Tri State Non Inverted RoHS Compliant: Yes

74LVC377PW 112. from Nexperia
Nexperia

Flip-Flop Type:D; Propagation Delay:15.5ns; Frequency:120MHz; Output Current:50mA; Logic Case Style:TSSOP; No. of Pins:20Pins; Trigger Type:Positive Edge; IC Output Type:-; Supply Voltage Min:1.65V; Supply Voltage Max:3.6V RoHS Compliant: Yes

74LVC74AD 118. from Nexperia
Nexperia

Logic Family / Base Number:74LVC74; Flip-Flop Type:D; Propagation Delay:-; Frequency:120MHz; Output Current:50mA; Logic Case Style:SOIC; No. of Pins:14Pins; Trigger Type:Positive Edge; IC Output Type:Complementary; Product Range:- RoHS Compliant: Yes

74HC74BQ 115. from Nexperia
Nexperia

Logic Family / Base Number:74HC74; Flip-Flop Type:D; Propagation Delay:-; Frequency:82MHz; Output Current:-; Logic Case Style:DHVQFN; No. of Pins:14Pins; Trigger Type:Positive Edge; IC Output Type:Complementary; Supply Voltage Min:2VRoHS Compliant: Yes

74LVC74APW 112. from Nexperia
Nexperia

Logic Family / Base Number:74LVC74; Flip-Flop Type:D; Propagation Delay:11.9ns; Frequency:120MHz; Output Current:50mA; Logic Case Style:TSSOP; No. of Pins:14Pins; Trigger Type:Positive Edge; IC Output Type:Complementary RoHS Compliant: Yes

74LVC1G74GT 115. from Nexperia
Nexperia

Logic Family / Base Number:74LVC1G74; Flip-Flop Type:D; Propagation Delay:13.4ns; Frequency:200MHz; Output Current:50mA; Logic Case Style:XSON; No. of Pins:8Pins; Trigger Type:Positive Edge; IC Output Type:Complementary RoHS Compliant: Yes

HEF4013BT,653 from Nexperia
Nexperia

D-TYPE FLIP FLOP, DUAL, 30NS, SOIC-14; Logic Family / Base Number:HEF4013; Flip-Flop Type:D; Propagation Delay:30ns; Frequency:40MHz; Output Current:2.4mA; Logic Case Style:SOIC; No. of Pins:14Pins; Trigger Type:Positive Edge RoHS Compliant: Yes

MC74HC574ADWG. from On Semiconductor
On Semiconductor

LOG CMOS D FLIP FLOP OCTL ROHS COMPLIANT: YES

MC74HC74ADG. from On Semiconductor
On Semiconductor

LOG CMOS D FLIP FLOP DUAL ROHS COMPLIANT: YES

MC74HC74ADR2G. from On Semiconductor
On Semiconductor

LOG CMOS D FLIP FLOP DUAL ROHS COMPLIANT: YES

MC74HC273ADWR2G. from On Semiconductor
On Semiconductor

Logic Family / Base Number:74HC273; Flip-Flop Type:D; Propagation Delay:29ns; Frequency:35MHz; Output Current:-; Logic Case Style:WSOIC; No. of Pins:20Pins; Trigger Type:Positive Edge; IC Output Type:Non Inverted; Product Range:- RoHS Compliant: Yes

MC74HC74ADTR2G. from On Semiconductor
On Semiconductor

Logic Family / Base Number:74HC74; Flip-Flop Type:D; Propagation Delay:20ns; Frequency:35MHz; Output Current:5.2mA; Logic Case Style:TSSOP; No. of Pins:14Pins; Trigger Type:Positive Edge; IC Output Type:Complementary, Differential RoHS Compliant: Yes

NL17SZ74USG. from On Semiconductor
On Semiconductor

LOG D FLIP FLOP ROHS COMPLIANT: YES

74HC73D,652. from Nexperia
Nexperia

Logic Family / Base Number:74HC73; Flip-Flop Type:JK; Propagation Delay:-; Frequency:77MHz; Output Current:25mA; Logic Case Style:SOIC; No. of Pins:14Pins; Trigger Type:Negative Edge; IC Output Type:Complementary; Product Range:- RoHS Compliant: Yes

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