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SI5338G-B03961-GMR
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SI5338G-B03961-GMR

Basic Information Overview

  • Category: Integrated Circuit (IC)
  • Use: Clock Generator and Multiplier
  • Characteristics: High-performance, Low-jitter, Programmable
  • Package: 20-QFN (Quad Flat No-Lead)
  • Essence: Clock generation and distribution
  • Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications and Parameters

  • Frequency Range: 1 MHz to 350 MHz
  • Output Clocks: Up to 12 differential or single-ended clocks
  • Supply Voltage: 2.5 V to 3.3 V
  • Operating Temperature Range: -40°C to +85°C
  • Programmability: I2C interface for configuration and control

Detailed and Complete Pin Configuration

  1. VDDO: Output supply voltage
  2. VDD: Core supply voltage
  3. GND: Ground
  4. SDA: I2C data input/output
  5. SCL: I2C clock input
  6. CLKOUTx: Clock output pins (x = 0 to 11)
  7. XAXB: Crystal oscillator input pins
  8. XAXT: Crystal oscillator output pin

Functional Characteristics

  • Flexible clock synthesis and distribution
  • Low phase noise and jitter
  • Spread Spectrum Clocking (SSC) support
  • Integrated crystal oscillator interface
  • Programmable output formats and frequencies
  • Clock redundancy and failover support

Advantages and Disadvantages

Advantages: - High-performance clock generation - Wide frequency range - Programmable features for customization - Compact package size - Support for multiple clock outputs

Disadvantages: - Requires external crystal oscillator - Limited number of clock outputs - Relatively high power consumption

Applicable Range of Products

  • Telecommunications equipment
  • Networking devices
  • Data centers and servers
  • Industrial automation systems
  • Consumer electronics

Working Principles

The SI5338G-B03961-GMR is a clock generator IC that uses a combination of PLL (Phase-Locked Loop) and fractional-N synthesis techniques to generate high-quality clocks. It takes an input reference clock, typically from an external crystal oscillator, and generates multiple output clocks with programmable frequencies and formats. The IC also provides various features for clock redundancy, failover, and synchronization.

Detailed Application Field Plans

  1. Telecommunications Equipment: The SI5338G-B03961-GMR can be used in base stations, routers, and switches to provide precise clock signals for data transmission and synchronization.
  2. Networking Devices: Ethernet switches, routers, and network interface cards can benefit from the accurate clock generation capabilities of this IC, ensuring reliable data transfer.
  3. Data Centers and Servers: Clock synchronization is crucial in large-scale data centers and server farms. This IC can provide synchronized clocks for timing-sensitive applications.
  4. Industrial Automation Systems: Programmable clocks are essential in industrial control systems, PLCs (Programmable Logic Controllers), and motion control applications.
  5. Consumer Electronics: High-performance audio/video equipment, gaming consoles, and set-top boxes can utilize this IC for generating stable clocks for multimedia processing.

Detailed Alternative Models

  1. SI5338A-B03961-GMR: Similar to SI5338G-B03961-GMR but with extended temperature range (-40°C to +105°C).
  2. SI5338B-B03961-GMR: Similar to SI5338G-B03961-GMR but with additional clock outputs (up to 20 differential or single-ended clocks).

5 Common Technical Questions and Answers

  1. Q: Can I use a different crystal oscillator with this IC? A: Yes, as long as it meets the specified requirements for frequency and load capacitance.

  2. Q: How do I program the output frequencies? A: The IC can be programmed through the I2C interface using the provided software or by writing to the appropriate registers.

  3. Q: Can I synchronize multiple SI5338G-B03961-GMR ICs together? A: Yes, the IC supports synchronization through external synchronization inputs and outputs.

  4. Q: What is the typical phase noise performance of this IC? A: The phase noise performance depends on the specific configuration and output frequencies but is generally very low.

  5. Q: Is there any built-in clock redundancy feature? A: Yes, the IC provides clock redundancy and failover support for critical applications.

This encyclopedia entry provides an overview of the SI5338G-B03961-GMR clock generator IC, including its basic information, specifications, pin configuration, functional characteristics, advantages, disadvantages, applicable range of products, working principles, application field plans, alternative models, and common technical questions and answers.