74HCT670D,653

Signal Switches, Multiplexers, Decoders Overview

The 74HCT670D,653 is a high-speed CMOS register file manufactured by NXP USA Inc. It features a 4x4 configuration with three-state outputs in a 16-SO package. The device operates within a supply voltage range of 4.5 V to 5.5 V. Key electrical parameters include a maximum propagation delay of 25 ns at 4.5 V and a static current of 8 uA. High-level output current is -6 mA, while low-level output current is 6 mA. The component supports surface mount installation and functions across an operating temperature range from -40°C to +125°C.

Signal Switches, Multiplexers, Decoders Feature Summary

• Provides a 4x4 register file architecture for data storage and retrieval
• Features three-state outputs for bus-oriented applications
• Compatible with HCT logic families for TTL compatibility

Signal Switches, Multiplexers, Decoders Applications

• High-speed data buffering systems
• Industrial automation control circuits
• Electronic systems requiring temporary data storage

Signal Switches, Multiplexers, Decoders Procurement Notes

Verify the exact manufacturer designation as sources list both Nexperia and NXP USA Inc. for this part number. Confirm RoHS compliance status through official documentation. Check for end-of-life or obsolescence notices before procurement planning. Ensure the 16-SO package type matches your PCB footprint requirements. Validate that the HCT logic family aligns with your system's voltage levels.

Signal Switches, Multiplexers, Decoders Selection Notes

Select this component when a compact 4x4 register file with three-state outputs is required. Ensure the design supports the 4.5 V to 5.5 V supply voltage range. Verify that the HCT input compatibility meets interface needs. Consider the -40°C to +125°C operating temperature range for environmental suitability. Confirm that the 25 ns propagation delay satisfies timing constraints.

Signal Switches, Multiplexers, Decoders Part Context

This integrated circuit belongs to the 74HCT series of logic devices. It serves as a specialized buffer and line driver variant configured as a register file. The component is designed for digital logic applications requiring reliable data handling. It utilizes CMOS technology for low power consumption and high noise immunity.

Signal Switches, Multiplexers, Decoders Replacement Considerations

Public confirmed substitute part numbers are not available in the provided source material.