Clock Generators & Support Products I2C control, 4-output, any frequency (< 710 MHz), any output, clock generator

SI5338A-B-GM – Skyworks MultiSynth™ Clock Generator IC for High-Speed Interfaces

Optimize timing synchronization in demanding applications with the SI5338A-B-GM clock generator IC from Skyworks Solutions. This programmable MultiSynth™ device delivers precise clock signals for high-speed data interfaces, featuring flexible input/output options and a wide operating voltage range. Engineered for reliability, it simplifies clock tree design while ensuring signal integrity in complex systems. PCX supplies genuine Skyworks components with guaranteed quality and rapid shipping.

Key Features

• Advanced PLL Technology: Integrated phase-locked loop for jitter reduction
• Multi-Protocol Support: Input: CML, CMOS, HCSL, LVDS, LVPECL, SSTL | Output: HCSL, HSTL, LVCMOS, LVDS, LVPECL, SSTL
• High-Frequency Operation: Up to 710MHz output frequency
• Wide Voltage Range: Operates at 1.71V to 3.63V
• Industrial Temperature Rating: -40°C to +85°C operating range
• Compact Design: 24-QFN (4x4mm) surface-mount package

Technical Specifications

• Circuit Configuration: Single circuit with 3:4 input/output ratio
• Signal Interface: Differential inputs and outputs (Yes/Yes)
• Mounting: Surface Mount (SMD)
• Package: 24-VFQFN Exposed Pad
• Status: Active production
• Base Part: SI5338 series

Primary Applications

• Ethernet switches and routers
• Fibre Channel storage systems
• PCI Express (PCIe) interfaces
• Telecom infrastructure equipment
• Industrial automation controllers

About Skyworks Solutions

Skyworks Solutions Inc. is a global leader in high-performance analog semiconductors, renowned for pushing technological boundaries in RF and timing solutions. With decades of innovation, Skyworks designs components that meet stringent industry standards for signal integrity and power efficiency, serving mission-critical applications across telecommunications, aerospace, and enterprise computing sectors.

The company’s MultiSynth™ clock generator series exemplifies its commitment to solving complex timing challenges. Skyworks maintains rigorous quality control and environmental compliance, making their ICs preferred solutions for designers requiring reliable synchronization in high-speed digital systems. Their continuous R&D investment ensures cutting-edge performance in next-generation hardware platforms.

About Clock Generator ICs

Clock generator integrated circuits are essential timing components that synthesize and distribute reference clock signals across electronic systems. Unlike standard oscillators, these programmable devices generate multiple synchronized frequencies from a single reference, replacing entire clock trees with one chip. This consolidation reduces component count, board space, and signal integrity challenges in complex designs.

Advanced clock ICs like the SI5338 series provide critical support for high-speed serial protocols by generating ultra-low-jitter clock signals. Their flexible input/output configurations allow designers to interface with various logic families without additional signal converters. These devices are indispensable in applications where precise timing determines system performance, including data centers, networking gear, and test equipment.

Packaging Information

This product ships in standard manufacturer trays for automated assembly. Contact PCX for reel packaging options and tape specifications.

Frequently Asked Questions

Question: What communication protocols does this clock generator support?
Answer: It’s designed for Ethernet, Fibre Channel, PCIe, and telecom applications, supporting CML, LVDS, LVPECL, HSTL, and other I/O standards.

Question: Can I use a crystal oscillator as input?
Answer: Yes, the SI5338A-B-GM accepts direct crystal input alongside other signal types like LVDS and HCSL.

Question: What is the jitter performance?
Answer: While exact specifications vary by configuration, Skyworks MultiSynth™ devices deliver industry-leading low jitter. Consult the datasheet for measurement conditions.

Question: Is this IC programmable?
Answer: Yes, it requires configuration via I²C interface using Skyworks’ ClockBuilder Pro software to set output frequencies and formats.

Question: Does PCX provide technical documentation?
Answer: Absolutely. Download the full SI5338A-B-GM datasheet directly from PCXCo.com for design guidelines and register maps.

Question: How does this differ from standard oscillators?
Answer: Unlike fixed-frequency oscillators, this IC generates multiple synchronized clocks with programmable frequencies, formats, and voltage levels from one reference.

Product images are representational. Refer to datasheets for exact specifications.

Order Your Skyworks Clock Solution Today!

Design with confidence using genuine Skyworks ICs from PCX. Our in-stock SI5338A-B-GM ensures quick shipment, backed by technical support and quality guarantees. Streamline your clock architecture—order now for reliable next-day delivery!