SN74AHC14DE4

Overview

The SN74AHC14DE4 is a hex Schmitt-trigger inverter manufactured by Texas Instruments. It features six independent inverters with Schmitt-trigger inputs to ensure clean signal transitions. The device operates within a supply voltage range of 2 V to 5.5 V and supports an operating temperature range from -40°C to +85°C. It is housed in a 14-pin SOIC package.

Feature Summary

• Hex Schmitt-trigger inverter configuration
• Clean signal transition capability via hysteresis
• Wide supply voltage operation

Applications

• Signal conditioning for noisy environments
• Waveform shaping
• Pulse generation circuits

Procurement Notes

Verify the specific suffix DE4 indicates the lead-free, RoHS-compliant variant in the official Texas Instruments datasheet. Confirm the package type matches the design requirements. Check for any recent product change notifications regarding availability or pinout modifications before finalizing procurement.

Selection Notes

Select this component when hex inverter functionality with Schmitt-trigger input characteristics is required. Ensure the application voltage falls within the specified 2 V to 5.5 V range. Verify that the SOIC-14 package fits the PCB layout constraints and thermal requirements.

Part Context

This part belongs to the SN74AHC series of high-speed CMOS logic devices. It provides similar functionality to other hex inverters but includes Schmitt-trigger inputs for improved noise immunity compared to standard inverters without hysteresis.

Replacement Considerations

SN74AHC14DR

FAQ

What is the primary function of the Schmitt-trigger inputs?

The Schmitt-trigger inputs provide hysteresis, which helps eliminate noise and ensures clean output transitions even with slowly changing or noisy input signals.

Does the SN74AHC14DE4 support 3.3 V logic levels?

Yes, the device operates within a supply voltage range of 2 V to 5.5 V, making it compatible with 3.3 V logic systems.