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SI53344-B-GMR
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SI53344-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
    • Wide operating frequency range
  • Package: 24-pin QFN
  • Essence: Clock generation and distribution for various applications
  • Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications and Parameters

  • Supply Voltage: 1.8V to 3.3V
  • Operating Temperature Range: -40°C to +85°C
  • Output Frequency Range: 1kHz to 1.4GHz
  • Number of Outputs: 4 differential outputs
  • Output Type: LVPECL, LVDS, HCSL, or CMOS
  • Phase Noise Performance: < -150dBc/Hz at 100kHz offset
  • Programmable Features: Frequency, output format, and skew control

Detailed and Complete 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. VDD
  17. GND
  18. CLKIN
  19. GND
  20. NC
  21. NC
  22. NC
  23. NC
  24. NC

Functional Characteristics

  • Clock multiplication and division
  • Frequency synthesis and distribution
  • Skew control for precise timing alignment
  • Programmable output formats
  • Spread Spectrum Clocking (SSC) support
  • I2C interface for configuration and control

Advantages and Disadvantages

Advantages: - High-performance clock generation - Low jitter and phase noise - Flexible frequency configuration - Wide operating frequency range - Multiple output formats supported

Disadvantages: - Requires external components for proper operation - Complex configuration and programming process

Applicable Range of Products

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

Working Principles

The SI53344-B-GMR is a clock generator IC that utilizes a combination of PLL (Phase-Locked Loop) and VCO (Voltage-Controlled Oscillator) techniques to generate precise clock signals. It takes an input clock signal, typically from a crystal oscillator or another clock source, and generates multiple output clocks with different frequencies and formats. The device allows for flexible frequency configuration and provides various output types to accommodate different system requirements.

Detailed Application Field Plans

  1. Telecommunications Equipment: The SI53344-B-GMR can be used in telecom switches, routers, and base stations to provide accurate timing signals for data transmission and synchronization.
  2. Networking Devices: Ethernet switches, routers, and network interface cards can benefit from the high-performance clock generation capabilities of the SI53344-B-GMR to ensure reliable data transfer.
  3. Data Centers: Clock distribution within data centers is critical for maintaining synchronization across various servers and storage systems. The SI53344-B-GMR can be employed to achieve precise timing alignment.
  4. Industrial Automation Systems: PLCs (Programmable Logic Controllers), motion controllers, and other industrial automation equipment require accurate timing for synchronized operation. The SI53344-B-GMR can provide the necessary clock signals.
  5. Test and Measurement Instruments: Oscilloscopes, spectrum analyzers, and other test equipment rely on precise timing for accurate measurements. The SI53344-B-GMR can generate stable clock signals for these instruments.

Detailed Alternative Models

  1. SI5332A-B-GM: Similar to the SI53344-B-GMR but with 2 differential outputs instead of 4.
  2. SI5338C-B-GM: Offers higher output frequency range and additional features such as integrated voltage regulators.
  3. SI5345B-B-GM: Provides more advanced clock synthesis capabilities, including fractional-N synthesis and improved phase noise performance.

5 Common Technical Questions and Answers

  1. Q: What is the maximum output frequency of the SI53344-B-GMR? A: The device supports an output frequency range of 1kHz to 1.4GHz.

  2. Q: Can I program the output skew of the SI53344-B-GMR? A: Yes, the device allows for skew control to align the timing of multiple output clocks.

  3. Q: Does the SI53344-B-GMR support Spread Spectrum Clocking (SSC)? A: Yes, it provides SSC functionality to reduce electromagnetic interference (EMI).

  4. Q: What