74HCT7731D,118

Shift Registers Overview

The 74HCT7731D,118 is a quad 64-bit static shift register manufactured by NXP Semiconductors. It operates within the HCT logic family, utilizing CMOS technology with TTL-compatible inputs. The device features four independent shift registers, each capable of storing 64 bits of data. It supports serial input and parallel output configurations, facilitating efficient data transfer in digital systems. The component is designed for robust performance across standard operating conditions.

Shift Registers Feature Summary

• Quad configuration providing four independent 64-bit shift registers
• Static operation ensuring stable data retention during shifting
• TTL-compatible input levels for seamless integration with logic families

Shift Registers Applications

• Serial-to-parallel data conversion circuits
• Parallel-to-serial data transmission interfaces
• Digital signal processing delay lines

Shift Registers Procurement Notes

Verify the complete part number including the suffix to ensure correct packaging and tape-and-reel specifications. Confirm that the HCT voltage compatibility matches the system design requirements. Check for RoHS compliance status as per current manufacturing standards. Ensure the supplier provides valid traceability documentation for quality assurance purposes.

Shift Registers Selection Notes

Select this component when multiple independent shift registers are required in a single package. The HCT series offers superior noise immunity compared to older logic families. Consider the pin count and package type relative to board space constraints. Evaluate power consumption requirements against other available logic families for optimal efficiency.

Shift Registers Part Context

This part belongs to the 74HC/HCT series of logic integrated circuits, widely used in general-purpose digital applications. The 74HCT variant specifically bridges the gap between HC speed and TTL voltage compatibility. NXP continues to support this legacy family for cost-sensitive designs requiring reliable shift register functionality without complex microcontroller overhead.

Shift Registers Replacement Considerations

Direct replacements include other manufacturers' 74HCT7731 equivalents. Verify pinout compatibility before substitution. Ensure voltage levels and propagation delays meet the original design specifications. Cross-reference datasheets for any minor functional differences in clocking or reset behaviors.