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. 541-9954
Mfr. Part No.TC74AC273F(F)
BrandToshiba
HK$10.024
Each (In a Pack of 5)
units
AC D Type Single Ended - Single Ended Positive Edge Non-Inverting Surface Mount SOP 20 Master Reset 8 15.8 ns @ 3.3 V 12.8 x 5.3 x 1.5mm
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
RS Stock No. 171-3565
Mfr. Part No.74LCX574FT
BrandToshiba
HK$3.018
Each (In a Pack of 20)
units
74LCX D Type CMOS CMOS Single Ended Positive Edge Non-Inverting Surface Mount TSSOP 20 - 8 30 ns @ 50 pF 6.5 x 4.4 x 1mm
RS Stock No. 162-6667
Mfr. Part No.SN74AUP1G74DQER
HK$1.573
Each (On a Reel of 5000)
units
AUP D Type Single Ended - Single Ended Positive Edge Inverting, Non-Inverting Surface Mount X2SON 8 Yes 1 27 ns @ 30 pF 1.45 x 1.05 x 0.35mm
RS Stock No. 170-7986
Mfr. Part No.74HCT245D,653
BrandNexperia
HK$1.36
Each (On a Reel of 2000)
units
74HCT Bus Transceiver - - - - Non-Inverting Surface Mount SO 20 - 18 33 ns @ 50 pF 13 x 7.6 x 2.45mm
RS Stock No. 162-7058
Mfr. Part No.SN74AHC574PWR
HK$1.254
Each (On a Reel of 2000)
units
AHC D Type Single Ended 3 State Single Ended Positive Edge Non-Inverting Surface Mount TSSOP 20 - 8 16.7 ns @ 3.3 V 6.5 x 4.4 x 1.15mm
RS Stock No. 170-7974
Mfr. Part No.74HC74D,653
BrandNexperia
HK$0.698
Each (On a Reel of 2500)
units
74HC D Type CMOS D Type Flip-Flop Differential Positive Edge - Surface Mount SO 14 Reset, Set 2 300 ns @ 50 pF 8.75 x 4 x 1.45mm
RS Stock No. 791-8816
Mfr. Part No.74LV74D,112
BrandNexperia
HK$1.741
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. 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. 145-0022
Mfr. Part No.CD4076BEE4
HK$1.876
Each (In a Tube of 25)
units
4000 D Type Single Ended 3 State Single Ended Positive Edge Non-Inverting Through Hole PDIP 16 Master Reset 4 600 ns @ 5 V 19.3 x 6.35 x 4.57mm
RS Stock No. 162-7499
Mfr. Part No.SN74LVC2G74DCUT
HK$4.256
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. 663-1470
Mfr. Part No.SN74ALS374ADW
HK$8.828
Each (In a Pack of 5)
units
ALS D Type Single Ended 3 State Single Ended Positive Edge Non-Inverting Surface Mount SOIC 20 - 8 16 ns @ 5 V 12.8 x 7.52 x 2.35mm
RS Stock No. 166-1294
Mfr. Part No.74HCT245D,652
BrandNexperia
HK$2.188
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. 663-1499
Mfr. Part No.SN74ALS576BN
HK$7.324
Each (In a Pack of 5)
units
ALS D Type Single Ended 3 State Single Ended Positive Edge Inverting Through Hole PDIP 20 - 8 14 ns @ 4.5 V → 5.5 V 24.33 x 6.35 x 4.57mm
RS Stock No. 178-6962
Mfr. Part No.74HCT574D,652
BrandNexperia
HK$3.586
Each (In a Tube of 38)
units
HCT D Type Single Ended 3 State Single Ended Positive Edge Non-Inverting Surface Mount SOIC 20 - 8 33 ns @ 4.5 V 13 x 7.6 x 2.45mm
RS Stock No. 540-8184
Mfr. Part No.TC74HC374AF(F)
BrandToshiba
HK$7.214
Each (In a Pack of 5)
units
HC D Type Single Ended 3 State Single Ended Positive Edge Non-Inverting Surface Mount SOP 20 - 8 190 ns @ 2 V 12.8 x 5.3 x 1.5mm
RS Stock No. 910-1856
Mfr. Part No.SY55852UKG
BrandMicrochip
HK$48.70
Each
units
ECL D Type - - Differential Positive Edge Inverting, Non-Inverting Surface Mount MSOP 10 Reset 1 0.4 ns @ 2.3 V → 5.7 V 3 x 3 x 0.92mm
RS Stock No. 662-6998
Mfr. Part No.CD74HC112PWR
HK$5.206
Each (In a Pack of 5)
units
HC JK Type Single Ended - Differential Negative Edge Inverting, Non-Inverting Surface Mount TSSOP 16 Yes 2 175 ns @ 2 V 5 x 4.4 x 1.15mm
RS Stock No. 662-8134
Mfr. Part No.SN74HC174DR
HK$2.652
Each (In a Pack of 10)
units
HC D Type Single Ended - Single Ended Positive Edge Non-Inverting Surface Mount SOIC 16 Master Reset 6 160 ns @ 2 V 9.9 x 3.91 x 1.58mm
RS Stock No. 662-8522
Mfr. Part No.SN74LV574APWR
HK$3.348
Each (In a Pack of 5)
units
LV D Type Single Ended 3 State Single Ended Positive Edge Non-Inverting Surface Mount TSSOP 20 - 8 19.6 ns @ 2.5 V 6.5 x 4.4 x 1.15mm
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