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. 662-7639
Mfr. Part No.SN74ACT74DR
HK$3.562
Each (In a Pack of 10)
units
ACT D Type Single Ended - Differential Positive Edge Inverting, Non-Inverting Surface Mount SOIC 14 Yes 2 11 ns @ 4.5 V → 5.5 V 8.65 x 3.91 x 1.58mm
RS Stock No. 806-2188
Mfr. Part No.MC74AC20DR2G
HK$1.915
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. 739-0082
Mfr. Part No.NC7SZ74K8X
HK$3.246
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. 166-1520
Mfr. Part No.74LVC1G74DC,125
BrandNexperia
HK$2.239
Each (On a Reel of 3000)
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. 663-1209
Mfr. Part No.SN74AHC74D
HK$2.168
Each (In a Pack of 10)
units
AHC D Type Single Ended - Differential Positive Edge Inverting, Non-Inverting Surface Mount SOIC 14 Yes 2 15.4 ns @ 3.3 V 8.65 x 3.91 x 1.58mm
RS Stock No. 162-7450
Mfr. Part No.SN74LVC112APWR
HK$2.196
Each (On a Reel of 2000)
units
LVC JK Type Single Ended - Differential Negative Edge Inverting, Non-Inverting Surface Mount TSSOP 16 Yes 2 7.1 ns @ 2.7 V 5 x 4.4 x 1.15mm
RS Stock No. 526-357
Mfr. Part No.SN74HC574PWR
HK$2.616
Each (In a Pack of 25)
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. 162-7318
Mfr. Part No.SN74AHCT16374DL
HK$14.016
Each (In a Tube of 25)
units
AHCT D Type Single Ended 3 State Single Ended Positive Edge Non-Inverting Surface Mount SSOP 48 - 16 10.4 ns @ 5 V 15.88 x 7.49 x 2.59mm
RS Stock No. 162-7244
Mfr. Part No.CD74HC107E
HK$3.853
Each (In a Tube of 25)
units
HC JK Type Single Ended - Differential Negative Edge Inverting, Non-Inverting Through Hole PDIP 14 Reset 2 170 ns @ 2 V 19.3 x 6.35 x 4.57mm
RS Stock No. 526-751
Mfr. Part No.SN74HC175DR
HK$3.22
Each (In a Pack of 25)
units
HC D Type Single Ended - Differential Positive Edge Inverting, Non-Inverting Surface Mount SOIC 16 Master Reset 4 150 ns @ 2 V 9.9 x 3.91 x 1.58mm
RS Stock No. 169-8583
Mfr. Part No.74LCX74MTCX
HK$1.24
Each (On a Reel of 2500)
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. 162-7503
Mfr. Part No.SN74LVC374ANSR
HK$1.321
Each (On a Reel of 2000)
units
LVC D Type Single Ended 3 State Single Ended Positive Edge Non-Inverting Surface Mount SOP 20 - 8 8.1 ns @ 2.7 V 12.6 x 5.3 x 1.95mm
RS Stock No. 663-3031
Mfr. Part No.SN74LVTH273PW
HK$6.346
Each (In a Pack of 5)
units
LVT D Type Single Ended - Single Ended Positive Edge Non-Inverting Surface Mount TSSOP 20 Master Reset 8 3.2 ns @ 3.3 V 6.5 x 4.4 x 1.15mm
RS Stock No. 165-9937
Mfr. Part No.74HC74BQ,115
BrandNexperia
HK$0.801
Each (On a Reel of 3000)
units
HC D Type CMOS Single Ended - - - Surface Mount DHVQFN 14 - 1 265 ns @ 50 pF 3.1 x 2.6 x 0.95mm
RS Stock No. 796-8170
Mfr. Part No.SN54LS74AJ
HK$91.33
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. 145-6752
Mfr. Part No.CD40175BPWR
HK$1.394
Each (On a Reel of 2000)
units
4000 D Type Single Ended - Differential Positive Edge Inverting, Non-Inverting Surface Mount TSSOP 16 Master Reset 4 400 ns @ 5 V 5 x 4.4 x 1.15mm
RS Stock No. 178-9062
Mfr. Part No.SN74LS374DW
HK$8.425
Each (In a Tube of 25)
units
LS D Type Single Ended 3 State Single Ended Positive Edge Non-Inverting Surface Mount SOIC 20 - 8 28 ns @ 5 V 12.8 x 7.52 x 2.35mm
RS Stock No. 136-4818
Mfr. Part No.74HCT273D,653
BrandNexperia
HK$1.62
Each (On a Reel of 2000)
units
74HCT D Type TTL D Type Flip-Flop Single Ended Positive Edge Inverting Surface Mount SO 20 Master Reset 8 225 ns @ 15 pF 13 x 7.6 x 2.45mm
RS Stock No. 145-6131
Mfr. Part No.SN74AC374DW
HK$4.008
Each (In a Tube of 25)
units
AC D Type Single Ended 3 State Single Ended Positive Edge Non-Inverting Surface Mount SOIC 20 - 8 13.5 ns @ 3.3 V 12.8 x 7.52 x 2.35mm
RS Stock No. 756-3117
Mfr. Part No.TC74VHC574F(K,F)
BrandToshiba
HK$5.482
Each (In a Pack of 5)
units
74VHC D Type Single Ended 3 State Single Ended Positive Edge Inverting Surface Mount SOP 20 - 8 19ns 13.3 x 5.3 x 1.5mm