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SI5338C-B01803-GMR
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SI5338C-B01803-GMR

Basic Information Overview

  • Category: Integrated Circuit
  • Use: Clock Generator and Multiplier
  • Characteristics: Low jitter, high frequency accuracy, programmable output frequencies
  • Package: 20-QFN (3x3 mm)
  • Essence: Clock generation and multiplication for various applications
  • Packaging/Quantity: Tape and Reel, 3000 units per reel

Specifications and Parameters

  • Input Voltage Range: 2.375V to 3.63V
  • Output Frequency Range: 1kHz to 808MHz
  • Output Format: LVCMOS, LVDS, HCSL, CML
  • Programmable Features: Output frequency, output format, spread spectrum modulation, phase offset, etc.

Detailed and Complete Pin Configuration

The SI5338C-B01803-GMR has a total of 20 pins. The pin configuration is as follows:

  1. VDDO - Power supply voltage for outputs
  2. VDDI - Power supply voltage for inputs
  3. GND - Ground
  4. XAXB - Differential input pair A
  5. XAXN - Differential input pair A
  6. XBXB - Differential input pair B
  7. XBXP - Differential input pair B
  8. XBXN - Differential input pair B
  9. CLKIN - Reference clock input
  10. SDA - I2C serial data input
  11. SCL - I2C serial clock input
  12. VDD - Power supply voltage
  13. VDDO - Power supply voltage for outputs
  14. OUT0 - Output 0
  15. OUT1 - Output 1
  16. OUT2 - Output 2
  17. OUT3 - Output 3
  18. OUT4 - Output 4
  19. OUT5 - Output 5
  20. GND - Ground

Functional Characteristics

  • Clock generation and multiplication with low jitter and high frequency accuracy
  • Programmable output frequencies and formats
  • Spread spectrum modulation for EMI reduction
  • Phase offset adjustment for synchronization purposes
  • I2C interface for configuration and control

Advantages and Disadvantages

Advantages: - High precision and accuracy in generating clock signals - Flexible programmability for various applications - Low jitter for improved system performance - Wide range of output frequencies and formats

Disadvantages: - Requires external reference clock input - Limited number of outputs (6 in total) - Relatively small package size may limit heat dissipation

Applicable Range of Products

The SI5338C-B01803-GMR is suitable for a wide range of applications that require precise clock generation and multiplication. Some common areas of application include: - Telecommunications equipment - Networking devices - Data centers - Industrial automation systems - Test and measurement instruments

Working Principles

The SI5338C-B01803-GMR operates by taking an external reference clock input and generating multiple output clocks with programmable frequencies and formats. It utilizes advanced PLL (Phase-Locked Loop) technology to achieve low jitter and high frequency accuracy. The device can be configured and controlled through the I2C interface, allowing for easy integration into various systems.

Detailed Application Field Plans

  1. Telecommunications Equipment: The SI5338C-B01803-GMR can be used in telecommunications equipment such as routers and switches to provide accurate clock signals for data transmission and synchronization.
  2. Networking Devices: In networking devices like switches and gateways, the device can generate multiple clock signals with different frequencies to synchronize data transfer between different components.
  3. Data Centers: The device can be utilized in data centers to ensure precise timing for server clusters, storage systems, and network infrastructure, improving overall system performance.
  4. Industrial Automation Systems: Industrial automation systems often require precise timing for synchronized operation of various components. The SI5338C-B01803-GMR can provide accurate clock signals for PLCs, motor drives, and other control devices.
  5. Test and Measurement Instruments: In test and measurement instruments like oscilloscopes and signal generators, the device can generate stable and accurate clock signals for precise measurements and waveform generation.

Detailed Alternative Models

  1. SI5338A-B01803-GMR: Similar to SI5338C-B01803-GMR but with different package options (QFN-24, TSSOP-20).
  2. SI5339C-B01803-GMR: A higher-performance version with additional features such as integrated voltage regulators and improved jitter performance.
  3. SI5341B-B01803-GMR: A more advanced clock generator with a wider frequency range and more output channels.

5 Common Technical Questions and Answers

  1. Q: Can the SI5338C-B01803-GMR generate non-integer output frequencies? A: Yes, the device supports fractional-N synthesis, allowing