74AHC157BQ-Q100X

Signal Switches, Multiplexers, Decoders Overview

The Nexperia 74AHC157BQ-Q100X is a quad 2-input multiplexer in the AHC logic series, housed in a DHVQFN-16 package. It operates within a supply voltage range of 2.0 V to 5.5 V and supports an ambient temperature range from -40 °C to +125 °C. The device features balanced propagation delays with maximum values of 13.2 ns at 3.3 V and 8.4 ns at 5 V under a 50 pF load. It includes Schmitt-trigger inputs, ESD protection exceeding 2000 V (HBM), and is qualified to AEC-Q100 Grade 1 standards for automotive use.

Signal Switches, Multiplexers, Decoders Feature Summary

• Automotive qualification compliant with AEC-Q100 Grade 1 standards
• Quad 2-input multiplexing functionality with common data select input
• Schmitt-trigger action on all inputs for noise immunity
• DHVQFN package with side-wettable flanks enabling automatic optical inspection

Signal Switches, Multiplexers, Decoders Applications

• Moving data between two groups of registers to four common output buses
• Memory chip select decoding
• Function generator implementation for irregular logic
• Logic implementation of a 4-pole, 2-position switch

Signal Switches, Multiplexers, Decoders Procurement Notes

Verify the specific ordering suffix against the manufacturer's current documentation to confirm the exact tape-and-reel quantity and packaging variant. Confirm that the DHVQFN-16 package version matches the required footprint dimensions and thermal pad specifications for the target PCB layout. Ensure the selected component meets the specific AEC-Q100 Grade 1 requirements for the intended automotive application environment.

Signal Switches, Multiplexers, Decoders Selection Notes

Select this component when high-speed multiplexing is required in space-constrained designs utilizing the DHVQFN-16 package. The AHC series offers CMOS input levels suitable for modern digital interfaces, while the AHCT variant provides TTL compatibility if needed. Consider the wide operating temperature range and robust ESD protection for environments requiring high reliability and noise tolerance.

Signal Switches, Multiplexers, Decoders Part Context

This part belongs to the Nexperia 74AHC/AHCT157-Q100 family of quad 2-input multiplexers. It is pin-compatible with Low Power Schottky TTL (LSTTL) devices. The BQ suffix specifically denotes the DHVQFN-16 package type, which is a leadless, thermal-enhanced very thin quad flat package designed for surface-mount applications requiring small form factors.

Signal Switches, Multiplexers, Decoders Replacement Considerations

Direct replacements include other variants within the same family such as the 74AHC157D-Q100 or 74AHC157PW-Q100, provided the package type change is accommodated by the design.