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. 121-8351
Mfr. Part No.SN74HC14DR
R 1.402
Each (On a Reel of 2500)
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. 922-2934
Mfr. Part No.SN74HC14D
R 4.898
Each (In a Tube of 50)
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. 526-577
Mfr. Part No.SN74HC14DR
R 4.39
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. 663-1938
Mfr. Part No.SN74HC14D
R 5.843
Each (In a Pack of 10)
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. 333-2899
Mfr. Part No.SN74HC14N
R 10.209
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. 166-1614
Mfr. Part No.MM74HC14MX
R 3.136
Each (On a Reel of 2500)
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 8.75 x 4 x 1.5mm -
RS stock no. 671-1835
Mfr. Part No.MM74HCT14MX
R 8.767
Each (In a Pack of 10)
units
Inverter Schmitt Trigger - 6 Yes 20 ns @ 5 V -4.8mA 4.8mA Surface Mount SOIC 14 HCT 8.75 x 4 x 1.5mm -
RS stock no. 670-9747
Mfr. Part No.MM74HC14MX
R 7.884
Each (In a Pack of 10)
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 8.75 x 4 x 1.5mm -
RS stock no. 510-352
Mfr. Part No.74AHC1G14GW,125
BrandNexperia
R 2.502
Each (In a Pack of 50)
units
Inverter Schmitt Trigger - 1 Yes 10.6 ns @ 4.5 V → 5.5 V, 16.3 ns @ 3 V → 3.6 V -8mA 8mA Surface Mount TSSOP 5 AHC 2.25 x 1.35 x 1mm -
RS stock no. 166-1616
Mfr. Part No.MM74HCT14MX
R 3.448
Each (On a Reel of 2500)
units
Inverter Schmitt Trigger - 6 Yes 20 ns @ 5 V -4.8mA 4.8mA Surface Mount SOIC 14 HCT 8.75 x 4 x 1.5mm -
RS stock no. 166-1443
Mfr. Part No.74AHC1G14GW,125
BrandNexperia
R 0.547
Each (On a Reel of 3000)
units
Inverter Schmitt Trigger - 1 Yes 10.6 ns @ 4.5 V to 5.5 V, 16.3 ns @ 3 V to 3.6 V -8mA 8mA Surface Mount TSSOP 5 AHC 2.25 x 1.35 x 1mm -
RS stock no. 103-2929
Mfr. Part No.MC14584BDG
R 5.90
Each (In a Tube of 55)
units
Inverter Schmitt Trigger - 6 Yes 80 ns @ 15 V, 100 ns @ 10 V, 250 ns @ 5 V -4.2mA 4.2mA Surface Mount SOIC 14 4000 8.75 x 4 x 1.5mm -
RS stock no. 662-8733
Mfr. Part No.SN74LVC1G14DBVT
R 11.818
Each (In a Pack of 5)
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. 179-2137
Mfr. Part No.CD40106BM
R 6.954
Each (In a Tube of 50)
units
- - - - - - - - - - - - - -
RS stock no. 307-547
Mfr. Part No.SN74LS14N
R 12.20
Each
units
Inverter Schmitt Trigger - 6 Yes 22 ns @ 5 V -0.4mA 8mA Through Hole PDIP 14 LS 19.3 x 6.35 x 4.57mm -
RS stock no. 662-9509
Mfr. Part No.CD40106BM
R 8.462
Each (In a Pack of 5)
units
Inverter Schmitt Trigger - 6 Yes 120 ns @ 15 V, 140 ns @ 10 V, 280 ns @ 5 V -4.2mA 4.2mA Surface Mount SOIC 14 4000 8.65 x 3.91 x 1.58mm -
RS stock no. 688-1552
Mfr. Part No.MC14584BDR2G
R 7.246
Each (In a Pack of 5)
units
Inverter Schmitt Trigger - 6 Yes 80 ns @ 15 V, 100 ns @ 10 V, 250 ns @ 5 V -4.2mA 4.2mA Surface Mount SOIC 14 4000 8.75 x 4 x 1.5mm -
RS stock no. 162-7466
Mfr. Part No.SN74LVC1G14DBVT
R 7.418
Each (On a Reel of 250)
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. 662-6807
Mfr. Part No.CD40106BM96
R 6.299
Each (In a Pack of 10)
units
Inverter Schmitt Trigger - 6 Yes 120 ns @ 15 V, 140 ns @ 10 V, 280 ns @ 5 V -4.2mA 4.2mA Surface Mount SOIC 14 4000 8.65 x 3.91 x 1.58mm -
RS stock no. 922-2791
Mfr. Part No.CD40106BM96
R 2.287
Each (On a Reel of 2500)
units
Inverter Schmitt Trigger - 6 Yes 120 ns @ 15 V, 140 ns @ 10 V, 280 ns @ 5 V -4.2mA 4.2mA Surface Mount SOIC 14 4000 8.65 x 3.91 x 1.58mm -