Texas Instruments

SN74AHC74QDRQ1

SN74AHC74QDRQ1 Description

The SN74AHC74QDRQ1 is a high-performance, dual D-type flip-flop from Texas Instruments' 74AHC series, designed for automotive-grade applications. Housed in a 14-SOIC package and supplied via Tape & Reel (TR), this IC features dual 1-bit flip-flops with set (preset) and reset functionality. Operating within a 2V to 5.5V supply range, it supports a clock frequency of 115 MHz and delivers complementary outputs with a max propagation delay of 9.3ns @ 5V, 50pF. Its low quiescent current (2 µA) and RoHS3 compliance make it suitable for power-sensitive and environmentally regulated designs.

SN74AHC74QDRQ1 Features

• Automotive Qualified: Meets stringent AEC-Q100 standards for reliability in harsh environments.
• High-Speed Operation: 115 MHz clock frequency with positive-edge triggering for precise timing.
• Low Power Consumption: 2 µA quiescent current and 8mA output drive (high/low) ensure efficiency.
• Robust Design: REACH unaffected and MSL 1 (Unlimited) moisture sensitivity for extended shelf life.
• Enhanced Noise Immunity: 2 pF input capacitance minimizes signal distortion.
• Wide Voltage Range: 2V–5.5V compatibility for versatile integration.

SN74AHC74QDRQ1 Applications

• Automotive Systems: Engine control units (ECUs), infotainment, and ADAS due to AEC-Q100 compliance.
• Industrial Control: PLCs and motor drivers leveraging high noise immunity and wide voltage range.
• Consumer Electronics: Smart home devices requiring low-power flip-flops with fast switching.
• Communication Infrastructure: Clock synchronization and data buffering in 5G/Wi-Fi 6 modules.

Conclusion of SN74AHC74QDRQ1

The SN74AHC74QDRQ1 stands out for its automotive-grade robustness, high-speed performance, and low-power operation, making it ideal for mission-critical applications. Its dual flip-flop design with preset/reset capabilities offers flexibility, while TI’s 74AHC series ensures compatibility with legacy systems. A top choice for engineers prioritizing reliability, speed, and energy efficiency in automotive and industrial designs.