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. 483-6459
Mfr. Part No.74HC175D,652
BrandNexperia
TWD13.70
Each (In a Pack of 10)
units
HC D Type Single Ended - Differential Positive Edge Inverting, Non-Inverting Surface Mount SOIC 16 Master Reset 4 175 ns @ 2 V 10 x 4 x 1.45mm
RS Stock No. 791-8816
Mfr. Part No.74LV74D,112
BrandNexperia
TWD12.50
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. 113-0045
Mfr. Part No.74HCT245D,652
BrandNexperia
TWD20.00
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. 510-471
Mfr. Part No.74LVC1G74GM,115
BrandNexperia
TWD4.60
Each (In a Pack of 10)
units
LVC D Type Single Ended - Differential Positive Edge Inverting, Non-Inverting Surface Mount XQFN 8 Yes 1 3.5 ns@ 3.3 V 1.65 x 1.65 x 0.45mm
RS Stock No. 662-9834
Mfr. Part No.CD74AC574M
TWD31.60
Each (In a Pack of 5)
units
AC D Type Single Ended 3 State Single Ended Positive Edge Non-Inverting Surface Mount SOIC 20 - 8 135 ns @ 1.5 V 12.8 x 7.52 x 2.35mm
RS Stock No. 168-4302
Mfr. Part No.SN74ACT574PW
TWD33.60
Each (In a Tube of 70)
units
74AC D Type TTL 3 State Single Ended Positive Edge Non-Inverting Surface Mount TSSOP 20 - 8 12 ns @ 50 pF 6.6 x 4.5 x 1.05mm
RS Stock No. 802-1389
Mfr. Part No.74VHC273MTC
TWD19.20
Each (In a Tube of 73)
units
74VHC D Type TTL CMOS Single Ended Positive Edge Non-Inverting Surface Mount TSSOP 20 Master Reset 8 19.5 ns@ 50 pF 6.5 x 4.4 x 0.9mm
RS Stock No. 781-2790
Mfr. Part No.74HC273PW,112
BrandNexperia
TWD5.90
Each (In a Pack of 25)
units
74HC D Type CMOS Push-Pull Single Ended Positive Edge Non-Inverting Surface Mount TSSOP 20 Yes 8 225ns 6.6 x 4.5 x 0.95mm
RS Stock No. 145-5802
Mfr. Part No.SN74LV175APW
TWD32.00
Each (In a Tube of 90)
units
LV D Type Single Ended - Differential Positive Edge Inverting, Non-Inverting Surface Mount TSSOP 16 Master Reset 4 23.3 ns @ 2.5 V 5 x 4.4 x 1.15mm
RS Stock No. 162-5282
Mfr. Part No.SN74LVC2G74QDCURQ1
TWD8.30
Each (On a Reel of 3000)
units
LVC D Type Single Ended - Differential Positive Edge Inverting, Non-Inverting Surface Mount VSSOP 8 Yes 1 7.2 ns @ 3.3 V 2.3 x 2 x 0.85mm
RS Stock No. 796-8170
Mfr. Part No.SN54LS74AJ
TWD801.00
Each
units
LS D Type TTL TTL Differential Positive Edge Inverting, Non-Inverting Through Hole CDIP 14 - 2 13.5 ns @ 15 pF 19.94 x 7.62 x 3.56mm
RS Stock No. 102-5580
Mfr. Part No.SN74HC574N
TWD17.60
Each (In a Tube of 20)
units
HC D Type Single Ended 3 State Single Ended Positive Edge Non-Inverting Through Hole PDIP 20 - 8 265 ns @ 2 V 24.33 x 6.35 x 4.57mm
RS Stock No. 162-7499
Mfr. Part No.SN74LVC2G74DCUT
TWD17.50
Each (On a Reel of 250)
units
LVC D Type Single Ended - Differential Positive Edge Inverting, Non-Inverting Surface Mount VSSOP 8 Yes 1 6.2 ns @ 3.3 V 2.3 x 2 x 0.85mm
RS Stock No. 162-4290
Mfr. Part No.SN74HC574PWR
TWD4.90
Each (On a Reel of 2000)
units
HC D Type Single Ended 3 State Single Ended Positive Edge Non-Inverting Surface Mount TSSOP 20 - 8 265 ns @ 2 V 6.5 x 4.4 x 1.15mm
RS Stock No. 166-1294
Mfr. Part No.74HCT245D,652
BrandNexperia
TWD16.00
Each (In a Tube of 38)
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. 662-8806
Mfr. Part No.SN74LVC1G79DCKT
TWD28.20
Each (In a Pack of 5)
units
LVC D Type Single Ended - Single Ended Positive Edge Non-Inverting Surface Mount SC-70 5 - 1 5 ns @ 3.3 V 2 x 1.25 x 0.9mm
RS Stock No. 663-2729
Mfr. Part No.SN74LV175APW
TWD35.20
Each (In a Pack of 5)
units
LV D Type Single Ended - Differential Positive Edge Inverting, Non-Inverting Surface Mount TSSOP 16 Master Reset 4 23.3 ns @ 2.5 V 5 x 4.4 x 1.15mm
RS Stock No. 333-3280
Mfr. Part No.SN74HC74N
TWD13.90
Each (In a Tube of 25)
units
HC D Type Single Ended - Differential Positive Edge Inverting, Non-Inverting Through Hole PDIP 14 Yes 2 175 ns @ 2 V 19.3 x 6.35 x 4.57mm
RS Stock No. 162-7477
Mfr. Part No.SN74LVC1G79DCKT
TWD17.50
Each (On a Reel of 250)
units
LVC D Type Single Ended - Single Ended Positive Edge Non-Inverting Surface Mount SC-70 5 - 1 5 ns @ 3.3 V 2 x 1.25 x 0.9mm
RS Stock No. 662-7620
Mfr. Part No.SN74ACT574PWR
TWD35.60
Each (In a Pack of 5)
units
ACT D Type Single Ended 3 State Single Ended Positive Edge Non-Inverting Surface Mount TSSOP 20 - 8 11 ns @ 5 V 6.5 x 4.4 x 1.15mm