CD74HC194NSR

Shift Registers Overview

The CD74HC194NSR is a high-speed CMOS logic device functioning as a 4-bit bidirectional universal shift register. Manufactured by Texas Instruments, it operates within a supply voltage range of 2 V to 6 V and supports serial or parallel data access modes. The component utilizes a 16-SOIC surface-mount package and is designed for robust performance across an extended temperature range from -55 °C to +125 °C. It features balanced propagation delays and significant power reduction compared to LSTTL technologies, making it suitable for various digital logic applications requiring versatile data shifting capabilities.

Shift Registers Feature Summary

• Supports bidirectional shifting with both serial and parallel loading options
• Operates on a wide voltage range from 2 V to 6 V
• Provides balanced propagation delay and transition times
• Delivers significant power reduction compared to LSTTL equivalents

Shift Registers Applications

• Data storage and transfer in computing systems
• Serial-to-parallel and parallel-to-serial conversion interfaces
• Digital signal processing circuits requiring bidirectional data movement

Shift Registers Procurement Notes

Verify the specific revision level against the manufacturer's datasheet before integration, as documentation revisions may impact pinout or electrical characteristics. Confirm that the 16-SOIC package dimensions align with your PCB footprint requirements. Ensure thermal management strategies account for the specified operating temperature range of -55 °C to +125 °C during system design validation.

Shift Registers Selection Notes

Select this component when a bidirectional shift register with parallel load capability is required within a CMOS logic family. It is appropriate for designs needing operation between 2 V and 6 V. Consider the 16-SOIC package for surface-mount assembly. Verify compatibility with existing clock speeds and input voltage levels to ensure proper signal integrity across the full operating temperature range.

Shift Registers Part Context

This part belongs to the Texas Instruments CD74HC194 series of high-speed CMOS logic devices. It is functionally related to other shift registers like the CD74HC195 but offers bidirectional capabilities. The NSR suffix indicates a tape-and-reel packaging format suitable for automated surface-mount assembly processes.

Shift Registers Replacement Considerations

Check for direct substitutes such as the SN74HC194NSR or equivalent parts from other manufacturers offering identical 4-bit bidirectional shift register functionality in a 16-SOIC package. Ensure voltage ranges and pin configurations match before substitution.