SI5338C-B05640-GMR

Overview

Category: Integrated Circuit
Use: Clock Generator and Multiplier
Characteristics: High-performance, low-jitter, programmable clock generator
Package: 56-pin QFN (Quad Flat No-Lead)
Essence: Provides multiple clock outputs with precise frequency and phase control
Packaging/Quantity: Tape and Reel, 250 units per reel

Specifications and Parameters

Frequency Range: 1 MHz to 350 MHz
Output Clocks: Up to 12 independent outputs
Supply Voltage: 2.5V or 3.3V
Operating Temperature Range: -40°C to +85°C
Phase Jitter: <0.3 ps RMS (typical)

Pin Configuration

For a detailed and complete pin configuration diagram, please refer to the datasheet.

Functional Characteristics

Flexible input reference options
Programmable output frequencies and formats
Low phase noise and jitter
Spread Spectrum Clocking (SSC) support
I2C interface for easy configuration

Advantages

High-performance clock generation with precise control
Wide frequency range and multiple output options
Low phase noise and jitter for improved system performance
Easy configuration through I2C interface
Support for Spread Spectrum Clocking (SSC)

Disadvantages

Relatively high cost compared to simpler clock generators
Requires careful design and layout considerations for optimal performance

Applicable Range of Products

Telecommunications equipment
Networking devices
Data storage systems
Industrial automation
Test and measurement instruments

Working Principles

The SI5338C-B05640-GMR is based on a phase-locked loop (PLL) architecture. It takes an input reference clock and generates multiple output clocks with precise frequency and phase control. The PLL uses a voltage-controlled oscillator (VCO) to generate the desired frequencies, which are then divided and shaped to produce the final clock outputs.

Detailed Application Field Plans

Telecommunications: Used in base stations, routers, and switches for clock synchronization and timing.
Networking: Provides clock signals for Ethernet switches, routers, and network interface cards.
Data Storage: Used in storage area networks (SANs), RAID systems, and solid-state drives (SSDs) for clock synchronization.
Industrial Automation: Provides precise timing for programmable logic controllers (PLCs), motion control systems, and robotics.
Test and Measurement: Used in oscilloscopes, spectrum analyzers, and signal generators for accurate timing and synchronization.

Detailed Alternative Models

SI5332C-B05640-GMR: Similar features and specifications but with a different package option (56-pin QFN).
SI5341C-B05640-GMR: Higher-performance clock generator with additional features like integrated jitter cleaning and advanced clock distribution.

5 Common Technical Questions and Answers

Q: Can I use a different supply voltage for this clock generator? A: No, the SI5338C-B05640-GMR is designed to operate with either 2.5V or 3.3V supply voltage only.
Q: How many input reference options does this clock generator support? A: The SI5338C-B05640-GMR supports up to four input reference options, including crystal, LVCMOS, LVDS, and LVPECL.
Q: Can I program the output frequencies on-the-fly? A: Yes, the clock generator can be programmed through the I2C interface to change the output frequencies dynamically.
Q: Does this clock generator support spread spectrum clocking? A: Yes, the SI5338C-B05640-GMR supports Spread Spectrum Clocking (SSC) for reducing electromagnetic interference (EMI).
Q: What is the typical phase jitter of this clock generator? A: The SI5338C-B05640-GMR has a typical phase jitter of less than 0.3 ps RMS, ensuring high-quality clock signals.

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