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SI5338C-B06965-GMR
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SI5338C-B06965-GMR

Basic Information Overview

  • Category: Integrated Circuit (IC)
  • Use: Clock Generator and Multiplier
  • Characteristics: High-performance, Low-jitter, Programmable
  • Package: 20-QFN (Quad Flat No-Lead)
  • Essence: Clock synthesis and distribution
  • Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications and Parameters

  • Input Frequency Range: 1 MHz to 710 MHz
  • Output Frequency Range: 1 kHz to 945 MHz
  • Supply Voltage: 2.5 V to 3.3 V
  • Operating Temperature Range: -40°C to +85°C
  • Phase Noise: -150 dBc/Hz at 100 kHz offset
  • Programmable Features: Output frequency, output format, spread spectrum modulation, etc.

Detailed and Complete Pin Configuration

  1. VDDO: Output Power Supply
  2. VDDI: Input Power Supply
  3. GND: Ground
  4. XAXB: Differential Crystal Oscillator Input
  5. XAXT: Single-Ended Crystal Oscillator Input
  6. CLKOUTx: Differential Clock Outputs
  7. SDA: I2C Serial Data Input
  8. SCL: I2C Serial Clock Input
  9. OE: Output Enable
  10. REFCLK: Reference Clock Input
  11. PLLVDD: PLL Power Supply
  12. PLLGND: PLL Ground
  13. VDDA: Analog Power Supply
  14. GNDA: Analog Ground
  15. XTAL_SEL: Crystal Oscillator Selection
  16. NC: No Connect
  17. NC: No Connect
  18. NC: No Connect
  19. NC: No Connect
  20. NC: No Connect

Functional Characteristics

  • Flexible clock synthesis and distribution
  • Wide frequency range with low jitter
  • Programmable output formats (LVPECL, LVDS, HCSL, etc.)
  • Spread spectrum modulation for EMI reduction
  • I2C interface for easy configuration
  • Output enable/disable control

Advantages and Disadvantages

Advantages: - High-performance clock generation - Low phase noise and jitter - Wide operating temperature range - Programmable features for customization - Small package size for space-constrained designs

Disadvantages: - Requires external crystal oscillator or reference clock - Limited output frequency range compared to some alternatives

Applicable Range of Products

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

Working Principles

The SI5338C-B06965-GMR is a clock generator IC that uses a combination of PLL (Phase-Locked Loop) and fractional-N synthesis techniques to generate precise clock signals. It takes an input reference clock or crystal oscillator signal and generates multiple output clocks with programmable frequencies and formats. The device also provides spread spectrum modulation capability to reduce electromagnetic interference (EMI).

Detailed Application Field Plans

  1. Telecommunications Equipment: The SI5338C-B06965-GMR can be used in base stations, routers, and switches to provide accurate clock signals for data transmission and synchronization.
  2. Networking Devices: This IC is suitable for use in network switches, routers, and gateways to ensure precise timing for packet processing and data transfer.
  3. Data Centers: Clock synchronization is critical in data centers for efficient operation and reliable data transmission. The SI5338C-B06965-GMR can be used to generate synchronized clock signals across various equipment.
  4. Industrial Automation Systems: In industrial automation applications, precise timing is essential for coordinating processes and controlling machinery. This IC can provide accurate clock signals for PLCs (Programmable Logic Controllers) and other automation devices.
  5. Test and Measurement Instruments: The SI5338C-B06965-GMR can be used in oscilloscopes, signal generators, and other test equipment to ensure accurate timing and synchronization of measurement signals.

Detailed Alternative Models

  • SI5338A-B06965-GMR: Similar to SI5338C-B06965-GMR but with different specifications and features.
  • SI5341B-B-GM: Clock generator IC with additional features such as integrated voltage regulators and clock distribution capabilities.
  • MAX9279GTM+: High-speed serializer for automotive camera applications with built-in clock generation functionality.

5 Common Technical Questions and Answers

  1. Q: What is the maximum output frequency of the SI5338C-B06965-GMR? A: The maximum output frequency is 945 MHz.

  2. Q: Can I use a single-ended crystal oscillator with this IC? A: Yes, the XAXT pin supports single-ended crystal oscillator input.

  3. Q: How do I program the output frequency of the SI5338C-B06965-GMR?