SN74AHCT00QWBQARQ1

Overview

The SN74AHCT00QWBQARQ1 is an automotive-grade quadruple 2-input positive-NAND gate from Texas Instruments, qualified to AEC-Q100 standards. It operates within a supply voltage range of 4.5V to 5.5V and supports a temperature range of -40°C to +125°C. The device features balanced CMOS push-pull outputs capable of ±8mA drive current at 5V, with TTL-compatible inputs. It includes wettable flank technology in the WQFN-14 package for improved solder joint inspection.

Feature Summary

• AEC-Q100 qualified for automotive applications with specified temperature grades and ESD classifications
• Wettable flank QFN (WBQA) package design facilitates automatic optical inspection of solder joints
• TTL-compatible CMOS inputs allow direct interfacing with standard logic devices
• Balanced CMOS push-pull outputs provide symmetric sourcing and sinking capabilities

Applications

• Enabling or disabling digital signals
• Controlling indicator LEDs
• Translation between communication modules and system controllers

Procurement Notes

Verify the specific ordering suffix matches the required package type and reel configuration. Confirm that the component meets the necessary AEC-Q100 qualification requirements for your specific automotive application environment. Ensure compatibility with your board's thermal management strategy given the junction-to-ambient resistance values provided in the datasheet.

Selection Notes

Select this component when a quadruple NAND gate solution is required for automotive systems operating strictly at 5V logic levels. The AHCT series ensures compatibility with TTL input thresholds while maintaining CMOS low power consumption characteristics. Consider the WQFN package if space constraints and reliable solder joint verification via AOI are critical design factors.

Part Context

This device belongs to the SN74AHCT00Q-Q1 family of automotive logic gates. It provides four independent 2-input NAND functions within a single integrated circuit. The family is designed to replace older discrete logic solutions, offering higher integration density and reliability suitable for harsh automotive environments requiring robust performance across wide temperature ranges.

Replacement Considerations

SN74AHCT00QDRQ1

FAQ

How should unused inputs be handled?

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

What is the maximum capacitive load recommended?

The device can drive a load with a total capacitance less than or equal to 50 pF while still meeting all data sheet specifications.