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SI53345-B-GMR
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SI53345-B-GMR

Basic Information Overview

  • Category: Integrated Circuit (IC)
  • Use: Clock Generator and Multiplier
  • Characteristics:
    • High-performance clock synthesis and distribution
    • Low jitter and phase noise
    • Flexible frequency configuration
  • Package: 24-pin QFN
  • Essence: Clock generation and multiplication
  • Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications and Parameters

  • Input Voltage Range: 1.8V to 3.3V
  • Output Frequency Range: 1kHz to 710MHz
  • Number of Outputs: 4 differential or 8 single-ended
  • Output Format: LVPECL, LVDS, HCSL, or CMOS
  • Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

  1. VDDO
  2. GND
  3. OUT0_N
  4. OUT0_P
  5. OUT1_N
  6. OUT1_P
  7. OUT2_N
  8. OUT2_P
  9. OUT3_N
  10. OUT3_P
  11. VDD
  12. GND
  13. SDA
  14. SCL
  15. OE#
  16. CLKIN
  17. VDDI
  18. GND
  19. NC
  20. NC
  21. NC
  22. NC
  23. NC
  24. NC

Functional Characteristics

  • High-frequency clock synthesis and distribution
  • Programmable output frequencies and formats
  • Low jitter and phase noise for precise timing applications
  • Integrated EEPROM for storing configuration settings
  • I2C interface for easy control and configuration

Advantages and Disadvantages

Advantages: - Wide input voltage range allows compatibility with various systems - Flexible output formats cater to different interface requirements - Low jitter and phase noise ensure accurate timing - Integrated EEPROM simplifies configuration management

Disadvantages: - Limited number of outputs may not be sufficient for complex systems - Requires external components for proper operation - Relatively high power consumption compared to some alternatives

Applicable Range of Products

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

Working Principles

The SI53345-B-GMR is a clock generator and multiplier IC that generates multiple output clocks from a single input reference clock. It utilizes a PLL (Phase-Locked Loop) architecture to synthesize and distribute high-frequency clocks with low jitter and phase noise. The device can be programmed through the I2C interface to generate different output frequencies and formats, making it suitable for various applications.

Detailed Application Field Plans

  1. Telecommunications Equipment: The SI53345-B-GMR can be used in base stations, routers, and switches to provide precise clock signals for data transmission and synchronization.
  2. Networking Devices: This IC can be employed in network switches, routers, and gateways to ensure accurate timing for packet processing and data transfer.
  3. Data Centers: The device is suitable for use in data centers to synchronize servers, storage systems, and networking equipment, ensuring reliable data transmission.
  4. Industrial Automation Systems: The SI53345-B-GMR can be utilized in industrial control systems, PLCs, and robotics to maintain precise timing for synchronized operations.
  5. Test and Measurement Instruments: This IC can be integrated into oscilloscopes, signal generators, and spectrum analyzers to provide accurate timing references for precise measurements.

Detailed Alternative Models

  1. SI5338A-B-GM: Similar clock generator and multiplier IC with additional features like spread spectrum modulation and improved phase noise performance.
  2. Si5341B-B-GM: Clock generator and jitter attenuator IC with enhanced phase noise performance and support for multiple input references.
  3. Si5345A-B-GM: Clock generator and multiplier IC with similar features but optimized for lower power consumption.
  4. Si53302-B-GM: Dual-output clock generator IC with integrated EEPROM and I2C interface, suitable for applications requiring fewer outputs.
  5. Si5347B-B-GM: High-performance clock generator and jitter attenuator IC with advanced features like fractional-N synthesis and ultra-low phase noise.

5 Common Technical Questions and Answers

  1. Q: What is the maximum output frequency of the SI53345-B-GMR? A: The maximum output frequency is 710MHz.

  2. Q: Can I use a single-ended output instead of a differential output? A: Yes, the device supports both single-ended and differential output formats.

  3. Q: What is the typical jitter performance of this IC? A: The SI53345-B-GMR offers low jitter performance suitable for high-speed data communication and synchronization applications.

  4. Q: How can I configure the output frequencies? A: The device can be programmed through the