Clock Buffer

SI53307-B-GMR – Skyworks Solutions Fanout Buffer & Multiplexer – 725 MHz, 1.71-3.63V

Optimize timing synchronization in advanced electronics with the SI53307-B-GMR clock buffer and multiplexer from Skyworks Solutions. This high-performance IC ensures precise clock signal distribution across multiple outputs while supporting flexible input configurations, making it ideal for space-constrained designs requiring low jitter and wide voltage compatibility.

Key Features

• 725 MHz Max Frequency for high-speed applications
• Multi-Standard I/O Support: CML, HCSL, LVCMOS, LVDS, LVPECL
• Ultra-Wide Voltage Range: 1.71V – 3.63V
• Industrial Temperature Range: -40°C to 85°C
• 2:4 Input/Output Ratio with differential signaling
• Compact 16-QFN Package (3×3 mm) for dense PCB layouts

Technical Specifications

This single-circuit fanout buffer/multiplexer features fully differential inputs and outputs with programmable signal formats. The 16-VFQFN exposed pad package enables efficient thermal management in surface-mount applications. Skyworks’ advanced silicon technology guarantees signal integrity with <0.5 ps RMS additive jitter. Device organization supports clock distribution to four independent outputs from two selectable inputs.

Typical Applications

• Network switches and routers
• 5G base station equipment
• Data center server timing circuits
• Industrial automation controllers
• Test & measurement instrumentation

About Skyworks Solutions

Skyworks Solutions Inc. is a global leader in high-reliability analog semiconductors, serving aerospace, automotive, and communications industries for over 40 years. Their clock management solutions are renowned for precision engineering and exceptional signal quality, with rigorous testing protocols ensuring performance consistency across extreme environmental conditions.

Skyworks invests heavily in R&D to maintain technological leadership, holding over 3,000 patents for signal conditioning innovations. Their components meet stringent international quality standards (ISO/TS 16949, ISO 14001), making them the preferred choice for mission-critical timing applications where component failure is not an option.

About Clock Buffers & Drivers

Clock buffers and drivers are essential for distributing timing signals across complex digital systems without signal degradation. They regenerate and amplify clock sources to drive multiple ICs while maintaining phase alignment and minimizing jitter. In multi-board systems or high-speed designs, these components prevent clock skew that could cause data errors or system instability.

Modern clock buffers like the SI53307 series incorporate multiplexing capabilities to switch between reference clocks dynamically. This flexibility is crucial in redundant systems or applications requiring multiple operating modes. Advanced features include programmable output enable/disable, voltage translation between logic families, and spread spectrum clocking support for EMI reduction.

Packaging Options

Available in industry-standard formats for automated assembly: Tape & Reel (TR), Cut Tape (CT), and Digi-Reel®. Specify your preferred packaging at checkout for seamless integration into production workflows.

Frequently Asked Questions

Question: What’s the difference between fanout buffers and clock generators?
Answer: Fanout buffers distribute existing clock signals, while generators create new clocks from reference oscillators. The SI53307-B-GMR does both distribution and input multiplexing.

Question: Can this IC translate between different I/O standards?
Answer: Yes, it independently converts between any supported input (CML/HCSL/LVDS etc.) and output standards without external components.

Question: Is the device RoHS compliant?
Answer: All Skyworks solutions meet RoHS 3 and REACH environmental standards.

Question: What’s the typical power consumption?
Answer: Power varies by configuration but remains below 120mW at 3.3V with all outputs active.

Question: How do I configure output parameters?
Answer: Configuration is hardware-based via pin strapping – no software programming required. Refer to the datasheet for pin assignment details.

Question: Does PCX provide design support for this component?
Answer: Yes! Our engineering team offers schematic review assistance and application notes – contact support for customization guidance.

Note: Product images are representational. Refer to datasheets for exact dimensions and specifications. Download full documentation from the product page at PCXCo.com.

Ready to Ship Today!

Eliminate clock distribution challenges with this industry-proven solution. PCX guarantees authentic Skyworks components with same-day shipping and dedicated technical support. Order your SI53307-B-GMR now for reliable delivery and seamless integration into your next project!