CD74HCT297E

Overview

The CD74HCT297E is a high-speed CMOS digital phase-locked loop (PLL) manufactured by Texas Instruments. It operates within an operating supply voltage range of 4.5 V to 5.5 V and features a CMOS output level. The device is housed in a 16-pin PDIP package with a width of 0.300 inches (7.62 mm). Designed for robust performance, it supports an operating temperature range from -55°C to +125°C. This component belongs to the CD74HCT297 series and is classified under PLLs - Phase Locked Loops.

Feature Summary

• High-speed CMOS logic construction ensures reliable digital phase-locked loop operation.
• Capable of easy cascading to support higher order control loops.
• Provides useful frequency range capabilities for diverse digital design applications.

Applications

• Digital designs requiring analog compensation error avoidance
• Cascaded systems for higher order loop configurations

Procurement Notes

Verify the specific package type and pin count against your PCB footprint requirements before ordering. Confirm that the operating supply voltage range aligns with your system's power rails. Ensure the industrial temperature rating meets your environmental constraints. Cross-reference the manufacturer part number with official datasheets to confirm current production status and availability.

Selection Notes

Select this component when a high-speed CMOS PLL is required for digital signal processing tasks. Consider the 16-pin DIP package for through-hole mounting needs. Evaluate the wide temperature range suitability for harsh environments. Compare against other HCT series devices if logic compatibility or speed variations are critical factors in your circuit design.

Part Context

This device is part of the Texas Instruments CD74HCT297 series, which focuses on high-speed CMOS logic solutions. The series is designed for applications demanding precise phase-locked loop functionality. It complements other logic family components by offering robust performance in digital communication and timing circuits.

Replacement Considerations

Consult official substitution lists for compatible phase-locked loop alternatives. Verify electrical characteristics and pinout compatibility before replacing the CD74HCT297E with similar devices from other manufacturers or different product lines.