SN74HCS30QPWRQ1

Inverter Gates Overview

The SN74HCS30QPWRQ1 is an automotive-grade single 8-input NAND gate with Schmitt-trigger inputs manufactured by Texas Instruments. It operates within a supply voltage range of 2 V to 6 V and supports an ambient temperature range from -40°C to +125°C. The device features balanced CMOS push-pull outputs capable of ±7.8 mA drive current at 5 V. Propagation delay ranges from 8 ns to 46 ns depending on the supply voltage. It is housed in a 14-pin TSSOP package.

Inverter Gates Feature Summary

• AEC-Q100 qualified for automotive applications with specified temperature grades and ESD classification levels.
• Schmitt-trigger inputs provide hysteresis to support slow or noisy input signals without requiring strict transition rate limits.
• Low power consumption characteristics include typical supply current of 100 nA and low input leakage current.

Inverter Gates Applications

• Alarm and tamper detect circuits
• S-R latch configurations

Inverter Gates Procurement Notes

Verify the specific ordering suffix 'PWRQ1' corresponds to the TSSOP-14 package variant when sourcing. Confirm that the component meets AEC-Q100 Grade 1 requirements for your target operating environment. Ensure design implementation accounts for the absolute maximum ratings regarding clamp currents and junction temperatures to maintain reliability.

Inverter Gates Selection Notes

Select this component when an 8-input logic function is required in space-constrained designs utilizing the TSSOP-14 footprint. The wide 2 V to 6 V supply range allows compatibility with various system voltages. Consider the propagation delay specifications relative to your system clock speeds and ensure adequate decoupling capacitors are placed near the VCC pin to prevent power disturbances.

Inverter Gates Part Context

This part belongs to the SN74HCS30-Q1 family, which includes variants such as SN74HCS30QDRQ1 in SOIC packages. The HCS series is characterized by high-speed CMOS technology combined with Schmitt-trigger functionality. This specific Q1 designation indicates qualification for automotive use under stringent reliability standards defined by the Automotive Electronics Council.

Inverter Gates FAQ

How does the Schmitt-trigger architecture affect signal integrity?

The Schmitt-trigger inputs provide hysteresis (ΔVT), making the device tolerant to slow or noisy input signals. This prevents multiple output transitions caused by noise near the switching threshold.

What is the recommended handling for unused inputs?

Unused inputs must not be left floating. They should be terminated to either VCC or ground using pull-up or pull-down resistors to prevent undefined operational states and excessive power consumption.