74HCT9115D,118

Overview

The 74HCT9115D,118 is an octal D-type flip-flop manufactured by NXP Semiconductors. It belongs to the HCT logic family, utilizing CMOS technology with TTL-compatible input levels. The device features eight positive-edge-triggered D-type flip-flops with a common clock and master reset. It is housed in a 20-pin Small Outline Package (SOP), specifically designated as SOT-33-1. The component supports bidirectional data flow for storage applications within digital logic circuits.

Feature Summary

• Octal configuration providing eight independent positive-edge-triggered D-type flip-flops
• TTL-compatible input levels ensuring direct interface with standard logic families
• Common clock and master reset inputs for synchronized operation across all stages

Applications

• Parallel-to-serial data conversion circuits
• Serial-to-parallel data conversion systems
• General-purpose shift register implementations

Procurement Notes

Verify the specific ordering code 74HCT9115D,118 against current NXP product availability lists. Confirm package type matches SOP-20 requirements. Check for RoHS compliance status and lead times through authorized distributors. Ensure design-in compatibility with existing PCB footprints and voltage levels before finalizing procurement decisions.

Selection Notes

Select this component when an octal storage element with TTL-compatible inputs is required. The HCT series ensures compatibility with 5V logic systems while offering CMOS performance characteristics. Consider the SOP-20 package for surface-mount assembly needs. Verify operating temperature range and electrical specifications against system requirements prior to integration into the design.

Part Context

This part is part of the 74HCT9115 family of octal D-type flip-flops. It serves as a fundamental building block for sequential logic designs requiring parallel data storage or serial data shifting. The HCT variant specifically bridges the gap between high-speed CMOS outputs and TTL-compatible inputs, facilitating mixed-logic system designs.

Replacement Considerations

Check for pin-compatible alternatives from NXP or other manufacturers offering identical octal D-flip-flop functionality. Verify that substitute parts maintain the same SOP-20 package dimensions and electrical characteristics. Ensure any replacement supports the required TTL input levels and synchronous operation modes.