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. 510-550
Mfr. Part No.74LVC1G74DC,125
BrandNexperia
HK$2.894
Each (In a Pack of 10)
units
LVC D Type Single Ended - Differential Positive Edge Inverting, Non-Inverting Surface Mount VSSOP 8 Yes 1 3.5 ns @ 3.3 V 2.1 x 2.4 x 0.85mm
RS Stock No. 166-1520
Mfr. Part No.74LVC1G74DC,125
BrandNexperia
HK$2.575
Each (On a Reel of 3000)
units
LVC D Type Single Ended - Differential Positive Edge Inverting, Non-Inverting Surface Mount VSSOP 8 Yes 1 3.5 ns @ 3.3 V 2.1 x 2.4 x 0.85mm
RS Stock No. 166-1509
Mfr. Part No.74LVC74ABQ,115
BrandNexperia
HK$0.785
Each (On a Reel of 3000)
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. 510-166
Mfr. Part No.74LVC74ABQ,115
BrandNexperia
HK$2.565
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. 510-055
Mfr. Part No.74LVC74AD,112
BrandNexperia
HK$2.053
Each (In a Pack of 50)
units
LVC D Type Single Ended - Differential Positive Edge Inverting, Non-Inverting Surface Mount SOIC 14 Yes 2 15 ns@ 1.2 V 8.75 x 4 x 1.45mm
RS Stock No. 168-9419
Mfr. Part No.74LVC74AD,112
BrandNexperia
HK$2.657
Each (In a Tube of 57)
units
LVC D Type Single Ended - Differential Positive Edge Inverting, Non-Inverting Surface Mount SOIC 14 Yes 2 15 ns @ 1.2 V 8.75 x 4 x 1.45mm
RS Stock No. 368-7313
Mfr. Part No.HEF4027BT,652
BrandNexperia
HK$2.95
Each (In a Tube of 50)
units
4000 JK Type Single Ended - Differential Positive Edge Inverting, Non-Inverting Surface Mount SOIC 16 Yes 2 210 ns@ 5 V 10 x 4 x 1.45mm
RS Stock No. 170-5409
Mfr. Part No.74HC574PW,118
BrandNexperia
HK$3.049
Each (In a Pack of 50)
units
74HC D Type CMOS 3 State Single Ended Positive Edge Non-Inverting Surface Mount TSSOP 20 Yes 1 225 ns @ 50 pF 6.6 x 4.5 x 0.95mm
RS Stock No. 124-2263
Mfr. Part No.74HC574D,652
BrandNexperia
HK$4.182
Each (In a Tube of 38)
units
HC D Type Single Ended 3 State Single Ended Positive Edge Non-Inverting Surface Mount SOIC 20 - 8 150 ns @ 2 V 13 x 7.6 x 2.45mm
RS Stock No. 510-443
Mfr. Part No.74LVC273D,112
BrandNexperia
HK$4.305
Each (In a Pack of 10)
units
LVC D Type Single Ended - Single Ended Positive Edge Non-Inverting Surface Mount SOIC 20 Master Reset 8 18 ns @ 1.8 V 13 x 7.6 x 2.45mm
RS Stock No. 165-9937
Mfr. Part No.74HC74BQ,115
BrandNexperia
HK$0.828
Each (On a Reel of 3000)
units
HC D Type CMOS Single Ended - - - Surface Mount DHVQFN 14 - 1 265 ns @ 50 pF 3.1 x 2.6 x 0.95mm
RS Stock No. 166-1291
Mfr. Part No.74HCT74D
BrandNexperia
HK$2.668
Each (In a Tube of 57)
units
HCT D Type Single Ended - Differential Positive Edge Inverting, Non-Inverting Surface Mount SOIC 14 Yes 2 53 ns @ 4.5 V 8.75 x 4 x 1.45mm
RS Stock No. 791-8816
Mfr. Part No.74LV74D,112
BrandNexperia
HK$3.255
Each (In a Pack of 38)
units
LV D Type TTL - Differential Positive Edge Inverting, Non-Inverting Surface Mount SOIC 14 Yes 2 58 ns@ 2 V 8.75 x 4 x 1.45mm
RS Stock No. 165-8633
Mfr. Part No.74LVC2G74DP,125
BrandNexperia
HK$1.327
Each (On a Reel of 3000)
units
74LVC D Type TTL CMOS Single Ended Positive Edge Inverting Surface Mount TSSOP 8 - 1 7.1 ns @ 50 pF 3.1 x 3.1 x 0.95mm
RS Stock No. 791-8771
Mfr. Part No.74HCT112D,652
BrandNexperia
HK$1.851
Each (In a Pack of 20)
units
HCT JK Type TTL LSTTL Differential Negative Edge Inverting, Non-Inverting Surface Mount SOIC 16 Yes 2 60 ns@ 4.5 V 10 x 4 x 1.45mm
RS Stock No. 113-0512
Mfr. Part No.74HC123D,652
BrandNexperia
HK$3.31
Each
units
HC Monostable Multivibrator - - - - - Surface Mount SOIC 16 - 2 255 ns@ 2 V 10 x 4 x 1.45mm
RS Stock No. 483-7878
Mfr. Part No.74HCT74D,652
BrandNexperia
HK$2.668
Each (In a Pack of 20)
units
HCT D Type Single Ended - Differential Positive Edge Inverting, Non-Inverting Surface Mount SOIC 14 Yes 2 53 ns@ 4.5 V 8.75 x 4 x 1.45mm
RS Stock No. 813-9317
Mfr. Part No.74HC74BQ,115
BrandNexperia
HK$2.596
Each (In a Pack of 50)
units
HC D Type CMOS Single Ended - - - Surface Mount DHVQFN 14 - 1 265 ns @ 50 pF 3.1 x 2.6 x 0.95mm
RS Stock No. 146-0515
Mfr. Part No.74AHC1G79GW,125
BrandNexperia
HK$0.476
Each (On a Reel of 3000)
units
AHC D Type CMOS Single Ended - - - Surface Mount TSSOP 5 - 1 15.5 ns @ 50 pF 2.25 x 1.35 x 1mm
RS Stock No. 146-0537
Mfr. Part No.74HCT377PW,112
BrandNexperia
HK$3.10
Each (On a Reel of 1875)
units
74HCT D Type TTL - Single Ended Positive Edge Inverting Surface Mount TSSOP 20 Master Reset 8 48 ns @ 50 pF 6.6 x 4.5 x 0.95mm