The SN74LS297N is a versatile digital phase-locked loop system designed and manufactured by Texas Instruments, a leader in the semiconductor industry. This integrated circuit is part of the 74LS series and is commonly utilized in a wide range of digital and mixed-signal applications, including frequency synthesis, clock recovery, and data synchronization.

Key Features

• Supply Voltage: Operates on a single 5V power supply, making it compatible with other TTL logic families.
• Frequency Range: Designed to work effectively over a broad frequency range, providing flexibility in various applications.
• Lock Time: Features fast lock times, ensuring quick synchronization with input signals.
• Power Consumption: Low power dissipation, which is a critical factor in power-sensitive designs.
• Package: Enclosed in a standard 16-pin DIP (Dual In-line Package), which is suitable for through-hole mounting on printed circuit boards.

Applications

The SN74LS297N is ideal for applications that require precise control and manipulation of signal frequencies. It is commonly found in:

• Communication systems for clock generation and synchronization.
• Signal processing equipment where frequency modulation or demodulation is needed.
• Consumer electronics that require stable timing solutions.
• Industrial controls where precise timing is crucial for system operation.

Technical Specifications

Parameter Value Operating Temperature 0°C to 70°C Function Phase-Locked Loop (PLL) Number of Circuits 1 Package / Case 16-DIP (0.300", 7.62mm)

With its robust design and proven reliability, the SN74LS297N from Texas Instruments stands out as a top choice for designers and engineers looking to implement a phase-locked loop system in their electronic projects.