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. 178-5481
Mfr. Part No.SN54LS74AJ
SGD25.665
Each (In a Tube of 10)
units
LS D Type TTL TTL Differential Positive Edge Inverting, Non-Inverting Through Hole CDIP 14 - 2 13.5 ns @ 15 pF 19.94 x 7.62 x 3.56mm
RS Stock No. 162-9123
Mfr. Part No.NL17SZ74USG
SGD0.139
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. 796-8170
Mfr. Part No.SN54LS74AJ
SGD19.86
Each
units
LS D Type TTL TTL Differential Positive Edge Inverting, Non-Inverting Through Hole CDIP 14 - 2 13.5 ns @ 15 pF 19.94 x 7.62 x 3.56mm
RS Stock No. 162-6683
Mfr. Part No.SN74HCT574PWT
SGD0.908
Each (On a Reel of 250)
units
HC D Type Single Ended 3 State Single Ended Positive Edge Non-Inverting Surface Mount TSSOP 20 - 8 66 ns @ 150 pF 6.6 x 4.5 x 1.05mm
RS Stock No. 809-5841
Mfr. Part No.SN74HCT574PWT
SGD1.211
Each (On a Tape of 10)
units
HC D Type Single Ended 3 State Single Ended Positive Edge Non-Inverting Surface Mount TSSOP 20 - 8 66 ns @ 150 pF 6.6 x 4.5 x 1.05mm
RS Stock No. 802-4114
Mfr. Part No.NL17SZ74USG
SGD0.449
Each (In a Pack of 50)
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. 791-8734
Mfr. Part No.74HC374D,652
BrandNexperia
SGD0.612
Each (In a Pack of 19)
units
HC D Type TTL 3 State Single Ended Positive Edge Non-Inverting Surface Mount SOIC 20 - 8 250 ns @ 2 V 13 x 7.6 x 2.45mm
RS Stock No. 662-6267
Mfr. Part No.74ABT16374ADGGR
SGD2.27
Each (In a Pack of 5)
units
ABT D Type Single Ended 3 State Single Ended Positive Edge Non-Inverting Surface Mount TSSOP 48 - 16 5.6 ns @ 5 V 12.5 x 6.1 x 1.15mm
RS Stock No. 541-9566
Mfr. Part No.TC4013BP(F)
BrandToshiba
SGD0.492
Each (In a Pack of 5)
units
4000 D Type Single Ended - Differential Positive Edge Inverting, Non-Inverting Through Hole PDIP 14 Yes 2 300 ns @ 5 V 19.25 x 6.4 x 3.5mm
RS Stock No. 541-9954
Mfr. Part No.TC74AC273F(F)
BrandToshiba
SGD2.518
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. 541-9500
Mfr. Part No.TC74HC74AF(F)
BrandToshiba
SGD0.368
Each (In a Pack of 5)
units
HC D Type Single Ended - Differential Positive Edge Inverting, Non-Inverting Surface Mount SOP 14 Yes 2 150 ns @ 2 V 10.3 x 5.3 x 1.5mm
RS Stock No. 807-2612
Mfr. Part No.SN74AHCT574N
SGD0.765
Each (In a Pack of 20)
units
AHCT D Type TTL 3 State Single Ended Positive Edge Non-Inverting Through Hole PDIP 20 - 8 12 ns @ 50 pF 26.92 x 6.6 x 4.57mm
RS Stock No. 145-7781
Mfr. Part No.74ABT16374ADGGR
SGD1.273
Each (On a Reel of 2000)
units
ABT D Type Single Ended 3 State Single Ended Positive Edge Non-Inverting Surface Mount TSSOP 48 - 16 5.6 ns @ 5 V 12.5 x 6.1 x 1.15mm
RS Stock No. 170-3528
Mfr. Part No.MC14013BDR2G
SGD0.185
Each (On a Reel of 2500)
units
4000 D Type CMOS TTL Differential Positive Edge Inverting, Non-Inverting Surface Mount SOIC 14 Yes 2 450 ns @ 50 pF 8.75 x 4 x 1.45mm
RS Stock No. 178-4791
Mfr. Part No.MC14013BDG
SGD0.599
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
RS Stock No. 308-354
Mfr. Part No.SN74LS273N
SGD1.38
Each
units
LS D Type Single Ended - Single Ended Positive Edge Non-Inverting Through Hole PDIP 20 Master Reset 8 27 ns @ 5 V 24.33 x 6.35 x 4.57mm
RS Stock No. 368-6297
Mfr. Part No.SN74LS273N
SGD1.173
Each (In a Tube of 20)
units
LS D Type Single Ended - Single Ended Positive Edge Non-Inverting Through Hole PDIP 20 Master Reset 8 27 ns @ 5 V 24.33 x 6.35 x 4.57mm
RS Stock No. 791-6081
Mfr. Part No.MC14013BDR2G
SGD0.469
Each (On a Tape of 25)
units
4000 D Type CMOS TTL Differential Positive Edge Inverting, Non-Inverting Surface Mount SOIC 14 Yes 2 450 ns@ 50 pF 8.75 x 4 x 1.45mm
RS Stock No. 518-8701
Mfr. Part No.MC14013BDG
SGD0.79
Each
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
RS Stock No. 663-0225
Mfr. Part No.CD74HC273M
SGD1.173
Each (In a Pack of 10)
units
HC D Type Single Ended - Single Ended Positive Edge Non-Inverting Surface Mount SOIC 20 Master Reset 8 150 ns @ 2 V 12.8 x 7.52 x 2.35mm
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