The74HC14and74HCT14arehigh-speedSi-gateCMOS devicesandarepincompatiblewithlowpowerSchottky TTL(LSTTL).Theyarespecifiedincompliancewith JEDECstandardno.7A. The74HC14and74HCT14providesixinvertingbuffers withSchmitt-triggeraction.Theyarecapableof transformingslowl