637L7775C2T

Oscillators Overview

The CTS-Frequency Controls 637L7775C2T is a standard crystal oscillator (XO) designed for surface-mount applications. It operates at a fixed frequency of 77.760000 MHz with an LVDS output format. The device requires a supply voltage ranging from 2.37 V to 2.62 V, typically centered at 2.5 V. It features a maximum phase jitter of 500 fs and a frequency stability of ±25 ppm. The component supports an enable/disable function via Pin 1 and functions within a temperature range of -20°C to +70°C. It is housed in a 6-SMD, no-lead package measuring 7.0 mm x 5.0 mm.

Oscillators Feature Summary

• Generates a precise 77.76 MHz clock signal using LVDS output technology for high-speed data transmission.
• Incorporates an enable/disable control mechanism accessible through Pin 1 for power management flexibility.
• Delivers low phase jitter performance of up to 500 fs to maintain signal integrity in sensitive circuits.

Oscillators Applications

• High-speed serial communication interfaces requiring stable clock sources
• Data acquisition systems needing precise timing synchronization
• Telecommunications equipment utilizing LVDS signaling standards

Oscillators Procurement Notes

Verify the specific ordering suffix to ensure compatibility with required voltage levels and output formats. Confirm that the selected variant matches the necessary frequency stability and operating temperature range for the intended environment. Cross-reference the datasheet specifications against system requirements to validate electrical parameters before finalizing procurement decisions.

Oscillators Selection Notes

Select this component when a 77.76 MHz clock source with LVDS outputs is required for surface-mount designs. Ensure the design accommodates the 2.5 V supply voltage constraints and the 7x5 mm footprint dimensions. Consider the enable pin functionality if power cycling or clock gating is necessary for the application architecture.

Oscillators Part Context

This part belongs to the CTS 637 series of standard oscillators, which are characterized by their compact SMD packaging and robust performance across industrial temperature ranges. The series offers various frequencies and output types, with the L-series specifically denoting LVDS outputs. This model provides a specialized solution for applications demanding low jitter and reliable timing at 77.76 MHz.

Oscillators Replacement Considerations

Direct substitutes within the same series include models like 637V7775C2T, which shares similar electrical characteristics but may differ in specific manufacturing revisions or minor parameter tolerances. Always verify pinout compatibility and voltage specifications when considering alternative part numbers from the same manufacturer family.