74AHCT244BQ-Q100,1

Buffers, Drivers, Receivers, Transceivers Overview

The 74AHCT244BQ-Q100,1 is an octal buffer and line driver manufactured by Nexperia USA Inc. It operates within a supply voltage range of 4.5 V to 5.5 V and features three-state outputs. The device contains two non-inverting buffers, each handling four bits, controlled by separate output enable inputs. It utilizes a 20-DHVQFN package with dimensions of 4.5x2.5 mm. The component supports surface mount installation and functions across a temperature range of -40°C to +125°C. It meets AEC-Q100 qualification standards for automotive applications.

Buffers, Drivers, Receivers, Transceivers Feature Summary

• Provides eight three-state outputs configured as two independent four-bit buffers
• Features TTL-compatible input levels for direct interfacing with TTL logic systems
• Includes overvoltage tolerant inputs allowing operation in mixed-voltage environments
• Complies with AEC-Q100 automotive qualification standards for reliability

Buffers, Drivers, Receivers, Transceivers Applications

• Automotive electronic control units requiring robust signal buffering
• Mixed-voltage interface circuits between TTL and CMOS logic domains
• High-noise immunity data bus drivers in industrial environments
• Portable equipment power management signal routing

Buffers, Drivers, Receivers, Transceivers Procurement Notes

Verify the specific suffix Q100 indicates AEC-Q100 automotive qualification status. Confirm the DHVQFN-20 package dimensions match the design footprint requirements. Ensure the operating temperature range extends to +125°C if high-temperature conditions are expected. Check RoHS3 compliance documentation for environmental regulations. Validate that the manufacturer is Nexperia USA Inc. to ensure authenticity.

Buffers, Drivers, Receivers, Transceivers Selection Notes

Select this component when TTL-level compatibility is required alongside CMOS performance characteristics. Choose the DHVQFN package for compact surface-mount designs needing thermal efficiency. Consider the AEC-Q100 rating for automotive or high-reliability industrial deployments. Verify that the 4.5 V to 5.5 V supply range aligns with the system power architecture. Evaluate the three-state capability for bus-sharing applications.

Buffers, Drivers, Receivers, Transceivers Part Context

This part belongs to the 74AHCT series, which combines CMOS speed with TTL input compatibility. The 244 designation identifies it as an octal buffer/line driver with three-state outputs. The BQ suffix denotes the specific DHVQFN package variant. The Q100 suffix signifies automotive grade qualification under AEC-Q100 standards. This family supports wide supply voltage ranges and offers high noise immunity.

Buffers, Drivers, Receivers, Transceivers Replacement Considerations

The 74AHCT244D-Q100,1 serves as a pin-compatible alternative using SOIC-20 packaging. The 74AHCT244PW-Q100,1 offers TSSOP-20 housing for similar functionality. Verify package dimensions and thermal characteristics when substituting. Ensure electrical parameters remain identical for seamless integration.