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. 806-1674
Mfr. Part No.MC74HCT374ADWR2G
HK$3.252
Each (In a Pack of 25)
units
74HCT D Type CMOS LSTTL Single Ended Negative Edge Non-Inverting Surface Mount SOIC 20 - 8 47 ns @ 50 pF 12.95 x 7.6 x 2.4mm
RS Stock No. 662-8547
Mfr. Part No.SN74LV74APWR
HK$2.027
Each (In a Pack of 10)
units
LV D Type Single Ended - Differential Positive Edge Inverting, Non-Inverting Surface Mount TSSOP 14 Yes 2 20 ns @ 2.5 V 5 x 4.4 x 1.15mm
RS Stock No. 806-3153
Mfr. Part No.MC14027BDG
HK$2.422
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. 650-150
Mfr. Part No.CD74HCT574E
HK$6.32
Each
units
HCT D Type Single Ended 3 State Single Ended Positive Edge Non-Inverting Through Hole PDIP 20 - 8 33 ns @ 4.5 V 24.33 x 6.35 x 4.57mm
RS Stock No. 539-8532
Mfr. Part No.TC74AC74P(F)
BrandToshiba
HK$4.708
Each (In a Pack of 5)
units
AC D Type Single Ended - Differential Positive Edge Inverting, Non-Inverting Through Hole PDIP 14 Yes 2 13.9 ns @ 3.3 V 19.25 x 6.4 x 3.5mm
RS Stock No. 186-8868
Mfr. Part No.MC74ACT377DWG
HK$6.305
Each (In a Tube of 38)
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. 162-7504
Mfr. Part No.SN74LVC374APWR
HK$1.268
Each (On a Reel of 2000)
units
LVC D Type Single Ended 3 State Single Ended Positive Edge Non-Inverting Surface Mount TSSOP 20 - 8 8.1 ns @ 2.7 V 6.5 x 4.4 x 1.15mm
RS Stock No. 307-682
Mfr. Part No.SN74LS174N
HK$7.61
Each
units
LS D Type Single Ended - Single Ended Positive Edge Non-Inverting Through Hole PDIP 16 Master Reset 6 30 ns @ 5 V 19.3 x 6.35 x 4.57mm
RS Stock No. 663-1082
Mfr. Part No.SN74ACT564DW
HK$8.34
Each (In a Pack of 5)
units
ACT D Type Single Ended 3 State Single Ended Positive Edge Inverting Surface Mount SOIC 20 - 8 10.5 ns @ 5 V 12.8 x 7.52 x 2.35mm
RS Stock No. 809-6163
Mfr. Part No.CD40175BMT
HK$5.234
Each (In a Pack of 10)
units
CMOS D Type CMOS - Differential Negative Edge, Positive Edge Inverting, Non-Inverting Surface Mount SOIC 16 - 4 400 ns@ 50 pF 10 x 4 x 1.5mm
RS Stock No. 121-7898
Mfr. Part No.MC74HC374ADTR2G
HK$1.269
Each (On a Reel of 2500)
units
74HC D Type CMOS LSTTL Single Ended Negative Edge Non-Inverting Surface Mount TSSOP 20 - 8 225 ns @ 50 pF 6.6 x 4.5 x 1.05mm
RS Stock No. 806-2359
Mfr. Part No.MC74ACT74DG
HK$2.394
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. 145-0896
Mfr. Part No.SN74LS273DW
HK$4.583
Each (In a Tube of 25)
units
LS D Type Single Ended - Single Ended Positive Edge Non-Inverting Surface Mount SOIC 20 Master Reset 8 27 ns @ 5 V 12.8 x 7.52 x 2.35mm
RS Stock No. 663-2307
Mfr. Part No.SN74HCT377N
HK$3.167
Each (In a Pack of 10)
units
HCT D Type Single Ended - Single Ended Positive Edge Non-Inverting Through Hole PDIP 20 - 8 30 ns @ 4.5 V 24.33 x 6.35 x 4.57mm
RS Stock No. 162-4290
Mfr. Part No.SN74HC574PWR
HK$1.32
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. 923-2348
Mfr. Part No.SN74LS74AN
HK$3.722
Each (In a Tube of 25)
units
LS D Type Single Ended - Differential Positive Edge Inverting, Non-Inverting Through Hole PDIP 14 Yes 2 40 ns @ 5 V 19.3 x 6.35 x 4.57mm
RS Stock No. 662-7620
Mfr. Part No.SN74ACT574PWR
HK$6.406
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
RS Stock No. 526-505
Mfr. Part No.SN74HC374DW
HK$3.94
Each (In a Tube of 25)
units
HC D Type Single Ended 3 State Single Ended Positive Edge Non-Inverting Surface Mount SOIC 20 - 8 230 ns @ 2 V 12.8 x 7.52 x 2.35mm
RS Stock No. 178-5502
Mfr. Part No.SN74ALS374AN
HK$10.755
Each (In a Tube of 20)
units
ALS D Type Single Ended 3 State Single Ended Positive Edge Non-Inverting Through Hole PDIP 20 - 8 16 ns @ 5 V 24.33 x 6.35 x 4.57mm
RS Stock No. 165-8633
Mfr. Part No.74LVC2G74DP,125
BrandNexperia
HK$1.581
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
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