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SI53340-B-GM
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SI53340-B-GM

Overview

  • Category: Integrated Circuit
  • Use: Clock Generator and Multiplier
  • Characteristics: High-performance, low-jitter, programmable clock generator
  • Package: 24-pin QFN
  • Essence: Provides multiple clock outputs with precise frequency control
  • Packaging/Quantity: Tape and Reel, 250 units per reel

Specifications and Parameters

  • Input Voltage Range: 2.375V to 3.63V
  • Output Frequency Range: 1kHz to 945MHz
  • Output Format: LVPECL, LVDS, HCSL, CMOS
  • Programmable Features: Frequency, Output Format, Output Enable, Spread Spectrum Modulation
  • Operating Temperature Range: -40°C to +85°C

Pin Configuration

The SI53340-B-GM has a total of 24 pins. The pin configuration is as follows:

  1. VDDO
  2. GND
  3. XAXB
  4. XAXA
  5. VDDI
  6. GND
  7. CLKIN
  8. GND
  9. CLKOUT0
  10. GND
  11. CLKOUT1
  12. GND
  13. CLKOUT2
  14. GND
  15. CLKOUT3
  16. GND
  17. CLKOUT4
  18. GND
  19. CLKOUT5
  20. GND
  21. CLKOUT6
  22. GND
  23. CLKOUT7
  24. GND

Functional Characteristics

  • Flexible clock synthesis and distribution
  • Low phase noise and jitter
  • Wide frequency range
  • High-frequency accuracy and stability
  • Programmable output formats
  • Spread spectrum modulation support
  • Output enable/disable control

Advantages and Disadvantages

Advantages: - High-performance clock generation - Precise frequency control - Programmable features for customization - Low jitter and phase noise

Disadvantages: - Limited output frequency range compared to some specialized clock generators - Requires external power supply and decoupling capacitors

Applicable Range of Products

The SI53340-B-GM is suitable for various applications that require precise clock generation and distribution. It can be used in telecommunications, networking equipment, data centers, industrial automation, and other electronic systems.

Working Principles

The SI53340-B-GM utilizes a combination of PLL (Phase-Locked Loop) and VCO (Voltage-Controlled Oscillator) techniques to generate and multiply input clock signals. The programmable features allow users to customize the output frequencies and formats according to their specific requirements.

Detailed Application Field Plans

  1. Telecommunications: Clock synchronization in communication networks.
  2. Networking Equipment: Clock distribution in routers, switches, and network servers.
  3. Data Centers: Timing solutions for server farms and storage systems.
  4. Industrial Automation: Synchronization of control systems and sensors.
  5. Electronic Systems: Clock generation for audio/video equipment, test and measurement instruments, etc.

Detailed Alternative Models

  1. SI5338A-B-GM: Similar clock generator with additional features.
  2. SI5341C-B-GM: Clock generator with higher output frequency range.
  3. SI5368B-B-GM: Clock generator with integrated jitter attenuator.

5 Common Technical Questions and Answers

  1. Q: Can I use the SI53340-B-GM with a 3.3V power supply? A: Yes, the SI53340-B-GM supports an input voltage range of 2.375V to 3.63V, including 3.3V.

  2. Q: What is the maximum output frequency of the SI53340-B-GM? A: The SI53340-B-GM can generate clock signals with frequencies up to 945MHz.

  3. Q: Can I disable specific output clocks? A: Yes, the SI53340-B-GM provides output enable/disable control for each clock output.

  4. Q: Does the SI53340-B-GM support spread spectrum modulation? A: Yes, the SI53340-B-GM has built-in support for spread spectrum modulation.

  5. Q: What is the operating temperature range of the SI53340-B-GM? A: The SI53340-B-GM can operate in temperatures ranging from -40°C to +85°C.

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