SN74AHC1G14DRLRG4

Overview

The SN74AHC1G14DRLRG4 is a single-channel Schmitt-trigger inverter from Texas Instruments' AHC logic family. It operates within a supply voltage range of 2V to 5.5V and features push-pull outputs with balanced drive capabilities. The device provides over-voltage tolerant inputs, ensuring robust performance in mixed-voltage systems. Designed for high-speed applications, it exhibits an average propagation delay between 5ns and 10ns. The component is housed in a compact SOT-553 (SC-70-5) surface-mount package, suitable for space-constrained designs.

Feature Summary

• Schmitt-trigger input action eliminates noise sensitivity and ensures clean signal transitions.
• Over-voltage tolerant inputs allow safe operation when interfacing with higher voltage signals.
• Balanced output drive strength supports reliable driving of capacitive loads.

Applications

• Signal conditioning for noisy digital environments
• Waveform shaping and pulse generation circuits
• Oscillator timing networks requiring precise threshold control

Procurement Notes

Verify the specific suffix 'G4' indicates lead-free compliance and RoHS status as per manufacturer documentation. Confirm the SOT-553 package marking codes match the intended revision. Ensure the operating temperature range aligns with system requirements before finalizing procurement specifications.

Selection Notes

Select this component when noise immunity is critical due to its Schmitt-trigger architecture. It serves as a direct replacement for standard inverters where hysteresis prevents false triggering. Consider the 2V to 5.5V supply range compatibility with existing system rails during circuit design.

Part Context

This part belongs to the SN74AHC1Gxx series of single-gate logic devices. These components are designed for low-power CMOS applications requiring high switching speeds. The AHC family offers performance comparable to older LS-TTL technologies while maintaining modern CMOS power efficiency levels.

Replacement Considerations

The SN74AHC1G14DR is a compatible alternative without the G4 suffix. Verify that the base device functions remain identical across these variations before substitution.