SN74AHC14RGYR

Overview

The SN74AHC14RGYR is a hex Schmitt-trigger inverter manufactured by Texas Instruments, belonging to the AHC logic series. It operates within a supply voltage range of 2 V to 5.5 V and features six independent inverting channels. The device utilizes a 14-VQFN package with dimensions of 3.5x3.5 mm. Key electrical specifications include a maximum propagation delay of 12 ns, low-level output current of 8 mA, and high-level output current of -8 mA. It supports an operating temperature range from -40°C to +125°C.

Feature Summary

• Integrates six independent Schmitt-trigger inverters for noise filtering and waveform shaping
• Operates across a wide supply voltage range from 2 V to 5.5 V
• Provides robust output drive capability with symmetrical high and low currents
• Designed for surface-mount assembly in compact 14-VQFN packages

Applications

• Signal conditioning and noise elimination in digital circuits
• Waveform shaping for oscillators and timing applications
• Level shifting between different voltage domains
• Input buffering for microcontrollers and logic interfaces

Procurement Notes

Verify the specific suffix RGYR corresponds to the 14-VQFN (3.5x3.5) package configuration. Confirm RoHS compliance status and moisture sensitivity level requirements for your manufacturing process. Ensure the ordering part number matches the exact Texas Instruments designation to avoid pinout or electrical specification mismatches during integration.

Selection Notes

Select this component when Schmitt trigger hysteresis is required to prevent false triggering from noisy signals. The AHC series offers faster performance than standard HC devices while maintaining CMOS compatibility. Consider the 12 ns propagation delay and 8 mA drive strength against load requirements. The extended temperature range up to 125°C suits industrial environments where standard commercial grade parts may fail.

Part Context

This device is part of the SN74AHC family of high-speed CMOS logic gates. The AHC series bridges the performance gap between legacy HC and advanced HCT technologies. It provides improved switching speeds and lower power consumption compared to older standards. The hex inverter topology allows for versatile use in signal inversion and buffer applications within complex digital systems.

FAQ

What is the function of the Schmitt trigger input?

The Schmitt trigger input provides hysteresis, which eliminates noise and ensures clean transitions even with slowly changing input signals.

Does the SN74AHC14RGYR support 3.3 V operation?

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.