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. 171-3402
Mfr. Part No.74VHC174FT
BrandToshiba
SGD0.426
Each (In a Pack of 50)
units
74VHC D Type CMOS CMOS Single Ended Positive Edge Non-Inverting Surface Mount TSSOP 16 - 6 19 ns @ 50 pF 5 x 4.4 x 1mm
RS Stock No. 145-0015
Mfr. Part No.SN74F74N
SGD0.773
Each (In a Tube of 25)
units
F D Type Single Ended - Differential Positive Edge Inverting, Non-Inverting Through Hole PDIP 14 Yes 2 8 ns @ 5 V 19.3 x 6.35 x 4.57mm
RS Stock No. 662-9593
Mfr. Part No.CD4027BM
SGD0.906
Each (In a Pack of 5)
units
4000 JK Type Single Ended - Differential Positive Edge Inverting, Non-Inverting Surface Mount SOIC 16 Yes 2 300 ns @ 5 V 9.9 x 3.91 x 1.58mm
RS Stock No. 663-0644
Mfr. Part No.CD74HCT564M
SGD2.53
Each (In a Pack of 5)
units
HCT D Type Single Ended 3 State Single Ended Positive Edge Inverting Surface Mount SOIC 20 - 8 35 ns @ 4.5 V 12.8 x 7.52 x 2.35mm
RS Stock No. 806-3012
Mfr. Part No.MM74HCT374WM
SGD1.153
Each (In a Tube of 36)
units
74HC D Type CMOS LSTTL Single Ended Positive Edge Non-Inverting Surface Mount SOIC 20 - 8 28 ns @ 45 pF 13 x 7.5 x 2.34mm
RS Stock No. 171-3046
Mfr. Part No.TC7WH74FK
BrandToshiba
SGD0.164
Each (On a Reel of 3000)
units
- D Type CMOS, TTL CMOS Differential Positive Edge Non-Inverting Surface Mount SOT-765 8 Preset 1 20 ns @ 50 pF 2 x 2.3 x 0.7mm
RS Stock No. 526-559
Mfr. Part No.SN74HC74D
SGD0.602
Each (In a Tube of 50)
units
HC D Type Single Ended - Differential Positive Edge Inverting, Non-Inverting Surface Mount SOIC 14 Yes 2 175 ns @ 2 V 8.65 x 3.91 x 1.58mm
New
RS Stock No. 219-4263
Mfr. Part No.74HC273D,652
BrandNexperia
SGD0.689
Each (In a Tube of 38)
units
74HC D Type CMOS D Type Flip-Flop Single Ended - - - SO20 20 - 8 - -
RS Stock No. 171-3006
Mfr. Part No.74HC74D
BrandToshiba
SGD0.321
Each (On a Reel of 2500)
units
74HC D Type - CMOS Differential Positive Edge Inverting Surface Mount SOIC 14 Preset 2 190 ns @ 50 pF 8.95 x 3.9 x 1.38mm
RS Stock No. 178-9059
Mfr. Part No.SN74HCT574DW
SGD0.764
Each (In a Tube of 25)
units
HCT D Type Single Ended 3 State Single Ended Positive Edge Non-Inverting Surface Mount SOIC 20 - 8 53 ns @ 4.5 V 12.8 x 7.52 x 2.35mm
RS Stock No. 145-0772
Mfr. Part No.CD74HC112PW
SGD0.879
Each (In a Tube of 90)
units
74HC JK Type CMOS LSTTL Differential Negative Edge Inverting, Non-Inverting Surface Mount TSSOP 16 Reset 2 270 ns @ 50 pF 5.1 x 4.5 x 1.05mm
RS Stock No. 169-8583
Mfr. Part No.74LCX74MTCX
SGD0.232
Each (On a Reel of 2500)
units
LCX D Type - 3 State - Positive Edge Inverting, Non-Inverting Surface Mount TSSOP 14 Yes 2 8ns 5 x 4.4 x 0.9mm
RS Stock No. 634-007
Mfr. Part No.CD74HCT107E
SGD1.84
Each
units
HCT JK Type Single Ended - Differential Negative Edge Inverting, Non-Inverting Through Hole PDIP 14 Reset 2 43 ns @ 4.5 V 19.3 x 6.35 x 4.57mm
RS Stock No. 178-7000
Mfr. Part No.74HC73D,652
BrandNexperia
SGD0.712
Each (In a Tube of 57)
units
HC JK Type Single Ended - Differential Negative Edge Inverting, Non-Inverting Surface Mount SOIC 14 Reset 2 160 ns @ 2 V 8.75 x 4 x 1.45mm
RS Stock No. 806-3797
Mfr. Part No.MC74LCX74DTR2G
SGD0.613
Each (In a Pack of 50)
units
LCX D Type TTL TTL Differential Positive Edge Inverting, Non-Inverting Surface Mount TSSOP 14 Yes 2 8 ns@ 50 pF 5.1 x 4.5 x 1.05mm
RS Stock No. 663-2329
Mfr. Part No.SN74HCT574DW
SGD0.95
Each (In a Pack of 5)
units
HCT D Type Single Ended 3 State Single Ended Positive Edge Non-Inverting Surface Mount SOIC 20 - 8 53 ns @ 4.5 V 12.8 x 7.52 x 2.35mm
RS Stock No. 171-3116
Mfr. Part No.74HC574D
BrandToshiba
SGD1.065
Each (In a Pack of 10)
units
74HC D Type - - Single Ended Positive Edge Non-Inverting Surface Mount SOIC 20 - 8 240 ns @ 150 pF 13.1 x 7.5 x 2.25mm
RS Stock No. 806-2245
Mfr. Part No.MC74AC74DG
SGD0.577
Each (In a Pack of 55)
units
AC D Type TTL Complementary Differential Positive Edge Inverting, Non-Inverting Surface Mount SOIC 14 - 2 13.5 ns@ 50 pF 8.75 x 4 x 1.5mm
RS Stock No. 163-0575
Mfr. Part No.MC74AC20DR2G
SGD0.182
Each (On a Reel of 2500)
units
AC D Type TTL TTL Single Ended - Inverting Surface Mount SOIC 14 - 2 10 ns @ 50 pF 8.75 x 4 x 1.5mm
RS Stock No. 510-471
Mfr. Part No.74LVC1G74GM,115
BrandNexperia
SGD0.183
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