Flip Flop ICs

A flip flop IC (integrated chip) is an electronic chip that's 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.

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 make a decision 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.

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.


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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$2.30
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. 163-0575
Mfr. Part No.MC74AC20DR2G
HK$1.06
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. 168-9419
Mfr. Part No.74LVC74AD,112
BrandNexperia
HK$1.126
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. 662-7806
Mfr. Part No.SN74AHC74PWR
HK$2.093
Each (In a Pack of 10)
units
AHC D Type Single Ended - Differential Positive Edge Inverting, Non-Inverting Surface Mount TSSOP 14 Yes 2 15.4 ns @ 3.3 V 5 x 4.4 x 1.15mm
RS Stock No. 761-4388
Mfr. Part No.74VHC74M
HK$3.087
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. 166-1509
Mfr. Part No.74LVC74ABQ,115
BrandNexperia
HK$0.768
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. 178-7597
Mfr. Part No.NC7SZ175P6X
HK$0.59
Each (On a Reel of 3000)
units
TinyLogic UHS D Type - - - Positive Edge - Surface Mount SC-70 6 Reset 1 6.2ns 2 x 1.25 x 0.9mm
RS Stock No. 145-4570
Mfr. Part No.MM74HC74AMTC
HK$1.325
Each (In a Tube of 94)
units
74HC D Type CMOS LSTTL - Positive Edge Non-Inverting Surface Mount TSSOP 14 Yes 2 190ns 5 x 4.4 x 0.9mm
RS Stock No. 145-2969
Mfr. Part No.MC74AC4040DG
HK$8.918
Each (In a Tube of 48)
units
AC Counter Single Ended Single Ended Single Ended Negative Edge - Surface Mount SOIC 16 Reset 1 15 ns @ 50 pF 10 x 4 x 1.5mm
RS Stock No. 145-7573
Mfr. Part No.CD74ACT174M
HK$4.979
Each (In a Tube of 40)
units
ACT D Type Single Ended - Single Ended Positive Edge Non-Inverting Surface Mount SOIC 16 Master Reset 6 14 ns @ 5 V 9.9 x 3.91 x 1.58mm
RS Stock No. 171-3004
Mfr. Part No.74HC574D
BrandToshiba
HK$2.683
Each (On a Reel of 2000)
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. 125-0016
Mfr. Part No.MC100EP51DG
HK$58.714
Each (In a Tube of 98)
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. 808-3983
Mfr. Part No.MC100EP52DG
HK$60.05
Each (In a Pack of 2)
units
EP D Type ECL ECL Differential Positive Edge Inverting, Non-Inverting Surface Mount SOIC 8 - 1 410ps 5 x 4 x 1.5mm
RS Stock No. 865-1580
Mfr. Part No.74HCT174D,652
BrandNexperia
HK$1.487
Each (In a Tube of 50)
units
74HC D Type TTL - Single Ended Positive Edge Non-Inverting Surface Mount SOIC 16 Master Reset 6 250 ns@ 50 pF 10 x 4 x 1.45mm
RS Stock No. 162-7477
Mfr. Part No.SN74LVC1G79DCKT
HK$3.533
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. 144-9991
Mfr. Part No.SN74LVC374ADW
HK$3.196
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. 660-7424
Mfr. Part No.SN74LVC2G74QDCURQ1
HK$3.611
Each (In a Pack of 10)
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. 145-1234
Mfr. Part No.SN74ACT74N
HK$2.906
Each (In a Tube of 25)
units
ACT D Type Single Ended - Differential Positive Edge Inverting, Non-Inverting Through Hole PDIP 14 Yes 2 11 ns @ 4.5 V → 5.5 V 19.3 x 6.35 x 4.57mm
RS Stock No. 165-9892
Mfr. Part No.74HCT112D,652
BrandNexperia
HK$2.542
Each (In a Tube of 50)
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. 663-1105
Mfr. Part No.SN74ACT74N
HK$3.226
Each (In a Pack of 10)
units
ACT D Type Single Ended - Differential Positive Edge Inverting, Non-Inverting Through Hole PDIP 14 Yes 2 11 ns @ 4.5 V → 5.5 V 19.3 x 6.35 x 4.57mm
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