74AHCT1G14DBVRE4

Overview

The SN74AHCT1G14DBVRE4 is a single Schmitt-trigger inverter gate from Texas Instruments, part of the 74AHCT logic family. It operates within a supply voltage range of 4.5 V to 5.5 V and features an SOT-23-5 surface-mount package. The device supports a wide operating temperature range from -40°C to +125°C. Key electrical characteristics include a maximum propagation delay of 8 ns at 5 V with a 50 pF load, and output drive currents of ±8 mA. Static current consumption is typically 1 µA.

Feature Summary

• Integrates Schmitt-trigger action to provide noise filtering and hysteresis for clean signal transitions.
• Compatible with standard CMOS logic families while accepting TTL-level inputs for versatile interfacing.
• Designed for high-speed applications with low propagation delay characteristics.

Applications

• Signal conditioning for noisy digital environments
• Pulse generation and timing circuits
• Oscillator circuits requiring stable switching thresholds

Procurement Notes

Verify the E4 suffix indicates lead-free status and RoHS compliance per manufacturer standards. Confirm the specific revision level matches design requirements. Ensure the SOT-23-5 footprint aligns with PCB layout constraints. Check for any recent product change notifications affecting pinout or electrical parameters before finalizing procurement.

Selection Notes

Select this component when TTL-compatible input levels are required alongside CMOS output performance. The Schmitt-trigger feature is essential for signals with slow rise times or significant noise. Consider the SOT-23-5 package size for space-constrained designs. Ensure the 5 V supply rail is stable to maintain specified timing parameters across the full industrial temperature range.

Part Context

This device belongs to the 74AHCT series, which bridges CMOS technology with TTL compatibility. The '1G' designation indicates a single-gate configuration in a miniaturized package. The 'E4' suffix typically denotes environmental compliance, specifically lead-free construction. It serves as a compact solution for basic inversion and waveform shaping in modern electronic systems.

Replacement Considerations

SN74AHCT1G14DBVR is a direct functional equivalent without the E4 suffix. SN74AHC1G14 offers similar functionality but lacks TTL input compatibility. SN74LVC1G14 provides lower voltage operation but different input threshold characteristics. Verify pinout and electrical specifications match before substituting.