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SI5335D-B03793-GMR
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SI5335D-B03793-GMR

Basic Information Overview

  • Category: Integrated Circuit (IC)
  • Use: Clock Generator and Multiplier
  • Characteristics: High-performance, low-jitter, programmable clock generator
  • Package: 20-QFN (Quad Flat No-Lead)
  • Essence: Provides multiple clock outputs with precise frequency and phase control
  • Packaging/Quantity: Tape and Reel, 2500 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, Phase, Output Format, Spread Spectrum Modulation
  • Operating Temperature Range: -40°C to +85°C

Detailed and Complete Pin Configuration

  1. VDDO: Power supply for output drivers
  2. VDDI: Power supply for internal logic
  3. GND: Ground
  4. XIN: Crystal oscillator input
  5. XOUT: Crystal oscillator output
  6. SDA: I2C serial data input/output
  7. SCL: I2C serial clock input
  8. VDD: Power supply for I2C interface
  9. CLKOUTx: Clock output pins (x = 0 to 11)
  10. OE: Output enable pin
  11. PLL_REF: Reference clock input for the phase-locked loop
  12. VDDPLL: Power supply for the phase-locked loop
  13. VDDOSC: Power supply for the oscillator
  14. XTAL_SEL: Crystal oscillator selection pin
  15. NC: No connection
  16. NC: No connection
  17. NC: No connection
  18. NC: No connection
  19. NC: No connection
  20. NC: No connection

Functional Characteristics

  • Flexible clock synthesis and distribution
  • Low phase noise and jitter performance
  • Integrated phase-locked loop (PLL) for precise frequency control
  • I2C interface for easy configuration and control
  • Spread spectrum modulation for EMI reduction
  • Output enable/disable feature for power management

Advantages and Disadvantages

Advantages: - High-performance clock generation with precise control - Wide range of output frequencies and formats - Programmable features for customization - Low phase noise and jitter for improved system performance

Disadvantages: - Requires external crystal oscillator for operation - Limited number of clock outputs (12 in total)

Applicable Range of Products

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

Working Principles

The SI5335D-B03793-GMR is a clock generator IC that uses a combination of a crystal oscillator and a phase-locked loop (PLL) to generate multiple clock signals with precise frequency and phase control. The input reference clock is fed into the PLL, which locks onto the desired frequency and generates the output clocks accordingly. The programmable features allow users to customize the output frequencies, phases, and formats according to their specific requirements.

Detailed Application Field Plans

  1. Telecommunications Equipment: The SI5335D-B03793-GMR can be used in telecommunications equipment such as routers, switches, and base stations to provide synchronized clock signals for data transmission and processing.
  2. Networking Devices: It can be utilized in networking devices like switches, gateways, and access points to ensure accurate timing for data packet synchronization and network synchronization protocols.
  3. Data Centers: The IC can be employed in data centers to generate clock signals for server racks, storage systems, and network switches, ensuring reliable and synchronized data processing.
  4. Industrial Automation Systems: It can be integrated into industrial automation systems to provide precise timing for control and monitoring devices, ensuring accurate synchronization of processes.
  5. Test and Measurement Instruments: The IC can be used in test and measurement instruments such as oscilloscopes, signal generators, and spectrum analyzers to generate stable and synchronized clock signals for accurate measurements.

Detailed Alternative Models

  1. SI5338D-B03793-GMR: Similar to SI5335D-B03793-GMR but with additional features like frequency margining and output skew adjustment.
  2. SI5341B-B-GM: Clock generator IC with higher output frequency range and more clock outputs.
  3. SI5368A-B-GM: Clock generator IC with integrated jitter attenuator and clock multiplier for improved phase noise performance.
  4. SI570B-B-GM: Programmable oscillator IC with wide frequency range and low phase noise performance.
  5. SI514: Low-jitter clock generator IC with a single clock output.

5 Common Technical Questions and Answers

  1. Q: Can I use the SI5335D-B03793-GMR without an external crystal oscillator?