SN74LS297N

Specialty Logic Overview

The SN74LS297N is a digital Phase-Locked Loop (PLL) filter manufactured by Texas Instruments. It operates within a supply voltage range of 4.75 V to 5.25 V and supports TTL output levels. The device functions as a single-circuit PLL component utilizing Silicon technology. It is designed for through-hole installation in a 16-pin PDIP package. The operational temperature range spans from 0°C to +70°C, ensuring reliability in standard commercial environments.

Specialty Logic Feature Summary

• Integrates digital phase-locked loop filtering capabilities within a single circuit configuration.
• Provides TTL-compatible output signal levels for direct interfacing with standard logic systems.
• Supports through-hole mounting via a 16-pin PDIP package for robust physical integration.

Specialty Logic Applications

• Digital phase-locked loop filter circuits
• Frequency synthesis applications
• Clock recovery systems

Specialty Logic Procurement Notes

Verify the specific datasheet revision and RoHS compliance status before procurement. Confirm that the PDIP-16 through-hole package aligns with the target PCB layout requirements. Ensure the operating environment remains within the specified 0°C to +70°C temperature range to maintain performance specifications.

Specialty Logic Selection Notes

Select this component when a dedicated digital PLL filter is required for frequency control or synchronization tasks. The LS logic family offers specific power and speed characteristics suitable for general-purpose digital applications. Verify compatibility with existing TTL logic interfaces and ensure the 16-pin footprint matches the design constraints.

Specialty Logic Part Context

This component belongs to the SN74LS297 series, which focuses on digital phase-locked loop functionalities. It serves as a specialized integrated circuit within the broader Texas Instruments logic portfolio, distinct from standard logic gates or memory devices. The part is categorized under wireless and RF integrated circuits due to its application in signal processing and frequency management.

Specialty Logic Replacement Considerations

Consult official discontinuance notifications for potential end-of-life status. Identify equivalent parts within the same logic family or compatible PLL filters from other manufacturers only if pinout and electrical specifications match exactly.