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Hex Schmitt Inverter
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The M74HC14 is a high speed CMOS hex Schmitt inverter fabricated with silicon gate C2MOS technology. Pin configuration and functions are the same as those of the M74HC04 but all inputs have a 20 % VCC hysteresis level.

This, together with the Schmitt trigger function, allows the device to be used on line receivers with slow rise/fall input signals.

All inputs are equipped with protection circuits against static discharge and transient excess voltage.

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Errata Sheet
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Key Features

  • High speed: tPD = 12 ns (typ.) at VCC = 6 V
  • Low power dissipation: ICC = 1 μA (max.) at TA = 25 °C
  • High noise immunity: VH = 1.2 V (typ.) at VCC = 6 V
  • Symmetrical output impedance: |IOH| = IOL = 4 mA (min.)
  • Balanced propagation delays: tPLH ≅ tPHL
  • Wide operating voltage range: VCC (opr) = 2 to 6 V
  • Pin and function compatible with 74 series 14
  • ESD performance
  • CDM: 1 kV
  • HBM: 2 kV
  • MM: 200 V

Design Resources


Technical Documentation

Product Specifications

Description Version Size
DS0241: Hex Schmitt inverter
4.0 450 KB

Sample & Buy

Part Number Marketing StatusPackagePacking TypeOperating Temperature (min) Operating Temperature (max) Automotive GradeOrder From STUnit Price (US$)*
@ 1000
Distributor AvailabilityRoHS Compliance GradeDownload
Material Declaration**
M74HC14YRM13TRActiveSO-14Tape And ReelYes-.22Distributor reported inventory date: 2015-07-03
Distributor NameRegionStockMin. order
M74HC14YTTRActiveTSSOP 14Tape And ReelYes-Distributor reported inventory date: 2015-07-03
Distributor NameRegionStockMin. order

(*) Suggested Resale Price per unit (USD) for BUDGETARY USE ONLY. For quotes, prices in local currency, please contact your local ST Sales Office or our Distributors
(**) The Material Declaration forms available on may be generic documents based on the most commonly used package within a package family. For this reason, they may not be 100% accurate for a specific device. Please contact our sales support for information on specific devices.
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