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. 178-4798
Mfr. Part No.74VHC74M
HK$4.452
Each (In a Tube of 55)
units
VHC D Type CMOS Bipolar Schottky TTL - Positive Edge Non-Inverting Surface Mount SOIC 14 Yes 2 18ns 8.75 x 4 x 1.5mm
RS Stock No. 166-2495
Mfr. Part No.NC7SZ74K8X
HK$1.155
Each (On a Reel of 3000)
units
TinyLogic UHS D Type - 3 State - Positive Edge - Surface Mount US 8 Yes 1 7.5ns 2.1 x 2.4 x 0.8mm
RS Stock No. 761-4388
Mfr. Part No.74VHC74M
HK$4.452
Each (In a Pack of 25)
units
VHC D Type CMOS Bipolar Schottky TTL - Positive Edge Non-Inverting Surface Mount SOIC 14 Yes 2 18ns 8.75 x 4 x 1.5mm
RS Stock No. 806-2185
Mfr. Part No.MC74AC20DG
HK$3.368
Each (In a Pack of 55)
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. 739-0082
Mfr. Part No.NC7SZ74K8X
HK$3.79
Each (In a Pack of 5)
units
TinyLogic UHS D Type - 3 State - Positive Edge - Surface Mount US 8 Yes 1 7.5ns 2.1 x 2.4 x 0.8mm
RS Stock No. 806-2188
Mfr. Part No.MC74AC20DR2G
HK$3.028
Each (On a Tape of 50)
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. 163-0575
Mfr. Part No.MC74AC20DR2G
HK$1.082
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. 806-3797
Mfr. Part No.MC74LCX74DTR2G
HK$2.657
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. 808-4053
Mfr. Part No.MC100EP51DG
HK$73.325
Each (In a Pack of 2)
units
EP D Type ECL ECL Differential Positive Edge Inverting, Non-Inverting Surface Mount SOIC 8 Reset 1 500ps 5 x 4 x 1.5mm
RS Stock No. 166-3181
Mfr. Part No.NC7SZ374P6X
HK$0.706
Each (On a Reel of 3000)
units
TinyLogic UHS D Type Power Down High Impedance 3 State Single Ended Positive Edge Non-Inverting Surface Mount SC-70 6 - 1 6.2 ns @ 50 pF 2 x 1.25 x 0.9mm
RS Stock No. 761-4356
Mfr. Part No.74LCX74MTCX
HK$3.327
Each (On a Tape of 25)
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. 162-9123
Mfr. Part No.NL17SZ74USG
HK$0.881
Each (On a Reel of 3000)
units
LCX D Type - - Differential Positive Edge Inverting, Non-Inverting Surface Mount US 8 - 1 14.5 ns @ 15 pF 2.1 x 2.4 x 0.8mm
RS Stock No. 186-9174
Mfr. Part No.MC74ACT377DWG
HK$6.454
Each (In a Pack of 10)
units
ACT D Type Single Ended D Type Flip-Flop Differential Positive Edge Non-Inverting Surface Mount SOIC 20 - 1 11 ns @ 50 pF 12.95 x 7.6 x 2.4mm
RS Stock No. 802-1323
Mfr. Part No.74LVX74M
HK$4.553
Each (In a Tube of 55)
units
74LVX D Type Differential - Differential Positive Edge Inverting, Non-Inverting Surface Mount SOIC 14 Yes 2 22 ns@ 50 pF 8.75 x 4 x 1.5mm
RS Stock No. 162-9376
Mfr. Part No.MC100EP51DTG
HK$39.13
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. 162-9985
Mfr. Part No.MC100EP29MNG
HK$130.357
Each (In a Tube of 92)
units
ECL D Type ECL ECL Differential Negative Edge, Positive Edge Inverting, Non-Inverting Surface Mount QFN 20 Yes 2 575ps 4 x 4 x 0.95mm
RS Stock No. 806-3065
Mfr. Part No.MC10EP51DG
HK$75.38
Each
units
ECL D Type Single Ended Differential Differential Negative Edge, Positive Edge - Surface Mount SOIC 8 Reset 1 420ps 5 x 4 x 1.5mm
RS Stock No. 806-3153
Mfr. Part No.MC14027BDG
HK$3.644
Each (In a Pack of 50)
units
CMOS JK Type - High/Low - Positive Edge - Surface Mount SOIC 16 Yes 2 350ns 10 x 4 x 1.5mm
RS Stock No. 186-8865
Mfr. Part No.MC74AC377DWG
HK$6.283
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. 178-4791
Mfr. Part No.MC14013BDG
HK$3.559
Each (In a Tube of 55)
units
4000 D Type Single Ended - Differential Positive Edge Inverting, Non-Inverting Surface Mount SOIC 14 Yes 2 350 ns @ 5 V 8.75 x 4 x 1.5mm