74LVQ174TTR

Overview

The STMicroelectronics 74LVQ174TTR is a low-voltage CMOS HEX D-type flip-flop with clear, non-inverting outputs. Fabricated using sub-micron silicon gate and double-layer metal wiring C2MOS technology, it operates within a supply voltage range of 2V to 3.6V. The device features six bits per element with positive edge triggering and a maximum propagation delay of 8ns at 3.3V with 50pF load. It supports clock frequencies up to 150 MHz and functions reliably across an operating temperature range from -55°C to +125°C.

Feature Summary

• Hex D-type flip-flop configuration with non-inverting outputs
• Positive edge triggering mechanism for data synchronization
• Integrated clear function for immediate state reset
• Low-voltage CMOS construction utilizing sub-micron silicon gate technology

Applications

• Digital signal processing systems requiring parallel data storage
• DSP applications involving high-speed data latching
• General-purpose shift register implementations in low-voltage logic circuits

Procurement Notes

Verify component authenticity through authorized distribution channels due to the prevalence of counterfeit integrated circuits in the market. Confirm that the specific TTR suffix corresponds to the required tape-and-reel packaging format for automated assembly processes. Ensure compatibility with existing PCB footprint designs before finalizing procurement decisions.

Selection Notes

Select this component when designing systems requiring multiple synchronized D-type flip-flops in a single package. Consider its low-voltage operation suitable for modern portable electronics. Evaluate the 8ns propagation delay against system timing requirements. Verify that the 16-TSSOP package dimensions fit within the available board space constraints.

Part Context

This part belongs to the 74LVQ series of low-voltage CMOS logic devices manufactured by STMicroelectronics. The series utilizes advanced C2MOS fabrication processes to achieve high performance at reduced supply voltages. The 74LVQ174 specifically provides hex D-type flip-flop functionality, distinguishing it from other series members that may offer different logic gates or memory configurations.

Replacement Considerations

The 74LVQ174SC is a documented alternative variant offered by Fairchild Semiconductor. Verify pinout compatibility and electrical specifications before substituting. Ensure the replacement meets the same voltage and temperature operating ranges required by the original design.