SX3DF156.250B20F30PNN 156.25MHz LVPECL,LVDS ,HCSL 6-SMD Differential Crystal Oscillator

SX3DF156.250B20F30PNN is a high-performance differential crystal oscillator manufactured by SCTF, a recognized leader in passive components. This Surface Mount Device (SMD) is specifically designed to generate a precise 156.25MHz clock signal, crucial for a wide array of digital and communication systems. As a differential crystal oscillator, it produces two output signals that are 180 degrees out of phase, offering superior noise immunity and signal integrity compared to single-ended oscillators. Its versatility is further enhanced by its support for multiple output logic types, including LVPECL, LVDS, and HCSL, making it an ideal timing solution for demanding high-speed applications where stable and accurate clocking is paramount.

Key Specifications

The SX3DF156.250B20F30PNN boasts a comprehensive set of specifications that underscore its robust performance. The Output attribute indicates its compatibility with LVPECL, LVDS, and HCSL logic families. This multi-protocol support is critical for designers working with diverse high-speed interfaces, allowing for seamless integration into various system architectures without requiring external level shifters. The Series, identified as 3Z, denotes a specific product line from SCTF, often indicating a particular set of performance characteristics or packaging options. Its fundamental Frequency of 156.25MHz is a precise and commonly used clock rate in many digital communication and data processing systems. The compact Size (mm) of 3.2×2.5×0.90 makes it suitable for space-constrained applications, reflecting modern miniaturization trends in electronics. A remarkably low Phase Jitter of 0.5pS is a key indicator of signal quality, signifying minimal timing variations in the output signal, which is essential for high-speed data transmission to prevent bit errors. The Mounting Type is Surface Mount, facilitating automated assembly processes and reducing manufacturing costs. As a Component Type, it is explicitly a Differential Crystal Oscillator, highlighting its inherent benefits in noise rejection and signal integrity. The Package / Case is a 6-SMD, a standard form factor for surface-mount components, ensuring compatibility with common PCB footprints. It supports a flexible Supply Voltage of 1.8V, 2.5V, and 3.3V, allowing it to be used in systems with different power rail requirements. The broad Frequency Range of 90 – 200MHz indicates that while its nominal frequency is 156.25MHz, the oscillator series is designed to operate reliably within this wider spectrum. A Frequency Stability of ±50ppm over its operating temperature range ensures consistent performance under varying environmental conditions, while the Frequency Tolerance of ±20ppm specifies the initial accuracy of the output frequency. Finally, the wide Operating Temperature range of -40℃ to +85℃ guarantees reliable operation in challenging industrial and automotive environments.

Features and Benefits

• Multi-Standard Output: Supports LVPECL, LVDS, and HCSL output types, providing exceptional flexibility for integration into diverse high-speed digital systems and reducing the need for multiple component variants.
• Ultra-Low Phase Jitter: With a phase jitter of just 0.5pS, this oscillator delivers extremely clean and stable clock signals, crucial for minimizing bit error rates in high-speed data links and ensuring reliable system operation.
• Compact Form Factor: The 3.2×2.5×0.90mm 6-SMD package allows for significant space savings on printed circuit boards, enabling more compact and portable electronic designs.
• Wide Operating Temperature Range: Guaranteed performance from -40℃ to +85℃ makes it suitable for robust industrial, automotive, and telecommunications applications where extreme temperatures are common.
• Excellent Frequency Stability: A frequency stability of ±50ppm ensures consistent and accurate timing over its entire operating temperature range, critical for maintaining system synchronization and performance.

Typical Applications

The SX3DF156.250B20F30PNN differential crystal oscillator is an indispensable component in numerous high-speed and precision timing applications. In Data Communication Networks, it is widely used as a clock source for Ethernet switches, routers, and fiber optic transceivers, where its low jitter and high frequency stability are vital for maintaining data integrity over long distances and at high bit rates. For Telecommunications Infrastructure, this oscillator provides the precise timing required for base stations, optical transport networks (OTN), and other networking equipment, ensuring reliable synchronization and data flow. In High-Performance Computing (HPC) and server applications, it can serve as a critical clock for CPUs, FPGAs, and ASICs, where accurate and stable clocking directly impacts processing speed and system reliability. Test and Measurement Equipment also benefits significantly from this oscillator’s precision, providing the accurate time bases needed for oscilloscopes, spectrum analyzers, and network analyzers. Furthermore, its robust design and wide temperature range make it suitable for certain Industrial Control Systems and embedded applications that demand reliable timing in harsh environments.

The SX3DF156.250B20F30PNN from SCTF represents a premium choice for designers seeking a high-performance, reliable, and versatile differential crystal oscillator. Its combination of multi-output support, ultra-low jitter, and robust environmental specifications makes it an ideal timing solution for a broad spectrum of advanced electronic systems. This component is readily stocked and shipped across India by Cirkit Electro Components, Mumbai, ensuring prompt availability for your projects.

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