Schmitt Trigger Inverters

Schmitt trigger inverters are a type of active circuit that convert an analog input signal to a digital output signal.

How do Schmitt trigger inverters work?

A Schmitt Trigger is a type of circuit which generates an output waveform (alternating current) to convert an analog input to a digital output signal.

Types of Schmitt trigger inverters

There are many integrated circuits (ICs) that have built-in Schmitt Triggers on their inputs. They can also be built using a type of transistor or by using an operational amplifier (an amplifier with a high input) or comparator.

Operational amplifier

An operational amplifier is an electronic amplifier with an inverting input that is connected to a voltage so that the circuit can convert signal successfully.

Non-symmetrical Schmitt trigger

A non-symmetrical Schmitt trigger is a type of circuit used to invert a Schmitt trigger in order to achieve two different non-symmetrical thresholds. These help to convert analog signal into digital.


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Description Price Logic Function Input Type Output Type Number of Elements per Chip Schmitt Trigger Input Maximum Propagation Delay Time @ Maximum CL Maximum High Level Output Current Maximum Low Level Output Current Mounting Type Package Type Pin Count Logic Family Dimensions Automotive Standard
RS Stock No. 179-2058
Mfr. Part No.SN74LVC14ADR
HK$1.499
Each (In a Tube of 50)
units
Inverter Schmitt Trigger - 6 Yes 6.2 ns @ 3.3 V, 7.3 ns @ 2.7 V -24mA 24mA Surface Mount SOIC 14 LVC 8.65 x 3.91 x 1.58mm -
RS Stock No. 179-2187
Mfr. Part No.SN74LVC14AD
HK$2.593
Each (In a Tube of 50)
units
Inverter Schmitt Trigger - 6 Yes 6.2 ns @ 3.3 V, 7.3 ns @ 2.7 V -24mA 24mA Surface Mount SOIC 14 LVC 8.65 x 3.91 x 1.58mm -
RS Stock No. 663-2820
Mfr. Part No.SN74LVC14AD
HK$3.116
Each (In a Pack of 10)
units
Inverter Schmitt Trigger - 6 Yes 6.2 ns @ 3.3 V, 7.3 ns @ 2.7 V -24mA 24mA Surface Mount SOIC 14 LVC 8.65 x 3.91 x 1.58mm -
RS Stock No. 528-117
Mfr. Part No.SN74LVC14ADR
HK$1.954
Each (In a Pack of 25)
units
Inverter Schmitt Trigger - 6 Yes 6.2 ns @ 3.3 V, 7.3 ns @ 2.7 V -24mA 24mA Surface Mount SOIC 14 LVC 8.65 x 3.91 x 1.58mm -
RS Stock No. 527-839
Mfr. Part No.CD74HC14E
HK$4.564
Each (In a Tube of 25)
units
Inverter Schmitt Trigger - 6 Yes 23 ns @ 6 V, 27 ns @ 4.5 V, 135 ns @ 2 V -5.2mA 5.2mA Through Hole PDIP 14 HC 19.3 x 6.35 x 4.57mm -
RS Stock No. 145-6539
Mfr. Part No.TISSN74AHC1G14DCKR
HK$0.626
Each (On a Reel of 3000)
units
Inverter Schmitt Trigger - 1 Yes 10.6 ns @ 5 V, 16.3 ns @ 3.3 V -8mA 8mA Surface Mount SC-70 5 AHC 2 x 1.25 x 0.9mm -
RS Stock No. 652-5044
Mfr. Part No.TISSN74AHC1G14DCKR
HK$1.46
Each (In a Pack of 10)
units
Inverter Schmitt Trigger - 1 Yes 10.6 ns @ 5 V, 16.3 ns @ 3.3 V -8mA 8mA Surface Mount SC-70 5 AHC 2 x 1.25 x 0.9mm -
RS Stock No. 526-533
Mfr. Part No.CD40106BE
HK$3.465
Each (In a Tube of 25)
units
Inverter Schmitt Trigger - 6 Yes 120 ns @ 15 V, 140 ns @ 10 V, 280 ns @ 5 V -4.2mA 4.2mA Through Hole PDIP 14 4000 19.3 x 6.35 x 4.57mm -
RS Stock No. 528-050
Mfr. Part No.SN74HCT14DR
HK$2.764
Each (In a Pack of 25)
units
Inverter Schmitt Trigger - 6 Yes 30 ns @ 5.5 V, 32 ns @ 4.5 V -4mA 4mA Surface Mount SOIC 14 HCT 8.65 x 3.91 x 1.58mm -
RS Stock No. 662-9032
Mfr. Part No.SN74LVC3G14DCTR
HK$4.466
Each (In a Pack of 5)
units
Inverter Schmitt Trigger - 3 Yes 4.3 ns @ 5 V, 5.4 ns @ 3.3 V -32mA 32mA Surface Mount SSOP 8 LVC 2.95 x 2.8 x 1.29mm -
RS Stock No. 162-7509
Mfr. Part No.SN74LVC3G14DCTR
HK$3.842
Each (On a Reel of 3000)
units
Inverter Schmitt Trigger - 3 Yes 4.3 ns @ 5 V, 5.4 ns @ 3.3 V -32mA 32mA Surface Mount SSOP 8 LVC 2.95 x 2.8 x 1.29mm -
RS Stock No. 528-056
Mfr. Part No.SN74HCT14D
HK$1.856
Each (In a Tube of 50)
units
Inverter Schmitt Trigger - 6 Yes 30 ns @ 5.5 V, 32 ns @ 4.5 V -4mA 4mA Surface Mount SOIC 14 HCT 8.65 x 3.91 x 1.58mm -
RS Stock No. 526-331
Mfr. Part No.SN74HCT14N
HK$3.191
Each (In a Tube of 25)
units
Inverter Schmitt Trigger - 6 Yes 30 ns @ 5.5 V, 32 ns @ 4.5 V -4mA 4mA Through Hole PDIP 14 HCT 19.3 x 6.35 x 4.57mm -
RS Stock No. 663-1262
Mfr. Part No.SN74AHCT14D
HK$2.168
Each (In a Pack of 10)
units
Inverter Schmitt Trigger - 6 Yes 8 ns @ 5 V -8mA 8mA Surface Mount SOIC 14 AHCT 8.65 x 3.91 x 1.58mm -
RS Stock No. 662-8935
Mfr. Part No.SN74LVC2G14DBVT
HK$8.192
Each (In a Pack of 5)
units
Inverter Schmitt Trigger - 2 Yes 4.3 ns @ 5 V, 5.4 ns @ 3.3 V -32mA 32mA Surface Mount SOT-23 6 LVC 2.9 x 1.6 x 1.15mm -
RS Stock No. 333-2899
Mfr. Part No.SN74HC14N
HK$3.773
Each (In a Tube of 25)
units
Inverter Schmitt Trigger - 6 Yes 21 ns @ 6 V, 25 ns @ 4.5 V, 125 ns @ 2 V -5.2mA 5.2mA Through Hole PDIP 14 HC 19.3 x 6.35 x 4.57mm -
RS Stock No. 526-577
Mfr. Part No.SN74HC14DR
HK$2.58
Each (In a Pack of 25)
units
Inverter Schmitt Trigger - 6 Yes 21 ns @ 6 V, 25 ns @ 4.5 V, 125 ns @ 2 V -5.2mA 5.2mA Surface Mount SOIC 14 HC 8.65 x 3.91 x 1.58mm -
RS Stock No. 179-2164
Mfr. Part No.SN74AHCT14D
HK$2.192
Each (In a Tube of 50)
units
Inverter Schmitt Trigger - 6 Yes 8 ns @ 5 V -8mA 8mA Surface Mount SOIC 14 AHCT 8.65 x 3.91 x 1.58mm -
RS Stock No. 121-8341
Mfr. Part No.SN74LVC1G14DBVRE4
HK$0.664
Each (On a Reel of 3000)
units
Inverter Schmitt Trigger - 1 Yes 5 ns @ 5 V, 5.5 ns @ 3.3 V -32mA 32mA Surface Mount SOT-23 5 LVC 2.9 x 1.6 x 1.15mm -
RS Stock No. 121-9218
Mfr. Part No.SN74LVC1G14MDBVREP
HK$5.812
Each (On a Reel of 3000)
units
Inverter Schmitt Trigger - 1 Yes 5 ns @ 5 V, 6 ns @ 3.3 V -32mA 32mA Surface Mount SOT-23 5 LVC 2.9 x 1.6 x 1.15mm -