74AHCT1G14DBVTG4

Overview

The SN74AHCT1G14DBVTG4 is a single Schmitt-trigger inverter gate from the Texas Instruments 74AHCT logic family. It operates within a supply voltage range of 4.5 V to 5.5 V and features TTL-compatible input thresholds. The device provides noise filtering via hysteresis and delivers an output current capability of 8 mA at both high and low states. It is housed in a compact SOT-23-5 surface-mount package and supports operation across an extended industrial temperature range of -40°C to +125°C.

Feature Summary

• Integrates Schmitt-trigger action to filter noisy signals and ensure clean transitions.
• Maintains TTL-compatible input logic levels for direct interfacing with standard digital systems.
• Provides robust drive capability with symmetrical 8 mA output currents.

Applications

• Signal conditioning for noisy digital environments
• Waveform shaping and pulse generation
• Oscillator circuits requiring stable threshold voltages

Procurement Notes

Verify the specific suffix 'TG4' against the manufacturer's latest documentation to confirm RoHS compliance and lead-free status. Ensure the ordering part number matches the required tape-and-reel packaging configuration. Cross-reference the datasheet revision date to confirm the technical specifications align with your design requirements before finalizing procurement.

Selection Notes

Select this component when TTL-level compatibility is required alongside noise immunity provided by Schmitt-trigger inputs. It serves as a suitable replacement for standard inverters in applications where signal integrity is compromised by slow rise times or electrical noise. Verify that the 5.5 V maximum supply voltage constraint fits within the system power budget.

Part Context

This device belongs to the 74AHCT series, which bridges the performance gap between older TTL logic and modern CMOS technology. The AHCT series is specifically designed to accept TTL-level inputs while offering the lower power consumption and higher speed characteristics typical of advanced CMOS processes. This particular variant integrates the inverting function with Schmitt-trigger inputs for enhanced reliability.

Replacement Considerations

Publicly confirmed substitute part numbers are not available in the provided source material.