Flip Flop ICs

A flip flop IC (integrated circuit) is a semiconductor device used in a flip flop circuit - a type of circuit that has two stable states. Flip flop circuits are mainly used in computers to store and transfer data.RS Components offer an extensive range of high-quality electronic components from leading brands including Nexperia, Texas Instruments, ON Semiconductor and Toshiba.

How do flip flop circuits work?

Flip flop circuits are non-linear circuits, which means that the output from one of its gates (devices which allow an electronic system to decide based on the number of its inputs) is fed 'back' to be processed with the input signal.

Flip flop circuits work on an input signal mixed with this previous output signal so that their own outputs are dependent upon their previous state. Flip flop circuits differ from latches in that they have a control signal (clock) input.

Types of Flip Flop ICs

There are four main types of devices with the following logic functions;

  • SR Flip-Flop - (Set-Reset)
  • D-type Flip-Flop - (Data)
  • T Flip-Flop - (Toggle)
  • JK Flip-Flop

All these devices are available in industry-standard packages, pin counts, pinouts and mounting types.

What are flip flop ICs used for?

A flip flops ICs can store information. By connecting several flip flop ICs together, you can store data that can represent the state of a sequencer, the value of a counter or an ASCII character in a computer's memory.The devices are used in a wide range of electronic applications and digital circuits. Some of the most common are

  • Frequency Dividers
  • Counters
  • Shift Registers
  • Storage Registers

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Description Price Logic Family Logic Function Input Type Output Type Output Signal Type Triggering Type Polarity Mounting Type Package Type Pin Count Set/Reset Number of Elements per Chip Maximum Propagation Delay Time @ Maximum CL Dimensions
RS Stock No. 145-0830
Mfr. Part No.CD74HCT574E
SGD0.91
Each (In a Tube of 20)
units
HCT D Type Single Ended 3 State Single Ended Positive Edge Non-Inverting Through Hole PDIP 20 - 8 33 ns @ 4.5 V 24.33 x 6.35 x 4.57mm
RS Stock No. 807-2356
Mfr. Part No.CD40175BE
SGD0.787
Each (In a Pack of 25)
units
4000 D Type CMOS CMOS Differential Positive Edge Inverting, Non-Inverting Through Hole PDIP 16 Reset 4 500 ns @ 50 pF 19.69 x 6.6 x 4.57mm
RS Stock No. 186-8864
Mfr. Part No.MC74AC273DWG
SGD0.839
Each (In a Tube of 38)
units
AC D Type TTL - - - - Surface Mount SOIC 20 Master Reset 1 14 ns @ 50 pF 12.95 x 7.6 x 2.4mm
RS Stock No. 542-0229
Mfr. Part No.TC74ACT574F(F)
BrandToshiba
SGD1.748
Each (In a Pack of 5)
units
ACT D Type Single Ended 3 State Single Ended Positive Edge Non-Inverting Surface Mount SOP 20 - 8 10.1 ns @ 5 V 12.8 x 5.3 x 1.5mm
RS Stock No. 787-6740
Mfr. Part No.MC100EP51DTG
SGD9.81
Each
units
ECL D Type Differential, Single Ended ECL Differential Negative Edge, Positive Edge - Surface Mount TSSOP 8 Yes 1 500ps 3.1 x 3.1 x 0.95mm
RS Stock No. 510-166
Mfr. Part No.74LVC74ABQ,115
BrandNexperia
SGD0.453
Each (In a Pack of 20)
units
LVC D Type Single Ended - Differential Positive Edge Inverting, Non-Inverting Surface Mount DHVQFN 14 Yes 2 15 ns@ 1.2 V 3.1 x 2.6 x 0.95mm
RS Stock No. 178-6962
Mfr. Part No.74HCT574D,652
BrandNexperia
SGD0.748
Each (In a Tube of 38)
units
HCT D Type Single Ended 3 State Single Ended Positive Edge Non-Inverting Surface Mount SOIC 20 - 8 33 ns @ 4.5 V 13 x 7.6 x 2.45mm
RS Stock No. 186-9263
Mfr. Part No.MC74AC273DWG
SGD0.839
Each (In a Pack of 25)
units
AC D Type TTL - - - - Surface Mount SOIC 20 Master Reset 1 14 ns @ 50 pF 12.95 x 7.6 x 2.4mm
RS Stock No. 662-6825
Mfr. Part No.CD4013BM96
SGD0.582
Each (In a Pack of 10)
units
4000 D Type Single Ended - Differential Positive Edge Inverting, Non-Inverting Surface Mount SOIC 14 Yes 2 300 ns @ 5 V 8.65 x 3.91 x 1.58mm
RS Stock No. 162-9376
Mfr. Part No.MC100EP51DTG
SGD6.57
Each (In a Tube of 100)
units
ECL D Type Differential, Single Ended ECL Differential Negative Edge, Positive Edge - Surface Mount TSSOP 8 Yes 1 500ps 3.1 x 3.1 x 0.95mm
RS Stock No. 165-4212
Mfr. Part No.SY55852UKG
BrandMicrochip
SGD6.232
Each (In a Tube of 100)
units
ECL D Type - - Differential Positive Edge Inverting, Non-Inverting Surface Mount MSOP 10 Reset 1 0.4 ns @ 2.3 V → 5.7 V 3 x 3 x 0.92mm
RS Stock No. 113-0045
Mfr. Part No.74HCT245D,652
BrandNexperia
SGD0.82
Each
units
HCT Bus Transceiver - - - - Non-Inverting Surface Mount SOIC 20 - 1 22 ns@ 4.5 V 13 x 7.6 x 2.45mm
RS Stock No. 663-2524
Mfr. Part No.SN74LS374DW
SGD1.138
Each (In a Pack of 5)
units
LS D Type Single Ended 3 State Single Ended Positive Edge Non-Inverting Surface Mount SOIC 20 - 8 28 ns @ 5 V 12.8 x 7.52 x 2.35mm
RS Stock No. 806-2621
Mfr. Part No.MC100EP31DG
SGD12.55
Each
units
ECL D Type Single Ended ECL Differential Positive Edge Inverting, Non-Inverting Surface Mount SOIC 8 - 1 500ps 5 x 4 x 1.5mm
RS Stock No. 526-397
Mfr. Part No.SN74LVC74APWR
SGD0.574
Each (In a Pack of 20)
units
LVC D Type Single Ended - Differential Positive Edge Inverting, Non-Inverting Surface Mount TSSOP 14 Yes 2 6 ns @ 2.7 V 5 x 4.4 x 1.15mm
RS Stock No. 170-7986
Mfr. Part No.74HCT245D,653
BrandNexperia
SGD0.249
Each (On a Reel of 2000)
units
74HCT Bus Transceiver - - - - Non-Inverting Surface Mount SO 20 - 18 33 ns @ 50 pF 13 x 7.6 x 2.45mm
RS Stock No. 787-6744
Mfr. Part No.MC100EP52DTG
SGD10.76
Each
units
ECL D Type Differential, Single Ended ECL Differential Negative Edge, Positive Edge - Surface Mount TSSOP 8 Yes 1 410ps 3.1 x 3.1 x 0.95mm
RS Stock No. 144-9991
Mfr. Part No.SN74LVC374ADW
SGD0.871
Each (In a Tube of 25)
units
LVC D Type Single Ended 3 State Single Ended Positive Edge Non-Inverting Surface Mount SOIC 20 - 8 8.1 ns @ 2.7 V 12.8 x 7.52 x 2.35mm
RS Stock No. 121-9253
Mfr. Part No.SN74LS73AN
SGD3.003
Each (In a Tube of 25)
units
LS JK Type Single Ended - Differential Negative Edge Inverting, Non-Inverting Through Hole PDIP 14 Reset 2 20 ns @ 5 V 19.3 x 6.35 x 4.57mm
RS Stock No. 662-7973
Mfr. Part No.SN74AUP1G74DCUR
SGD0.716
Each (In a Pack of 5)
units
AUP D Type Single Ended - Differential Positive Edge Inverting, Non-Inverting Surface Mount VSSOP 8 Yes 1 27 ns @ 1.2 V 2.3 x 2 x 0.85mm