SI5327C-C-GM

Product Overview

• Category: Integrated Circuit (IC)
• Use: Clock Generator and Jitter Attenuator
• Characteristics: High-performance, low-jitter clock synthesis and distribution
• Package: 24-pin QFN (Quad Flat No-Lead) package
• Essence: Provides precise clock signals for various applications
• Packaging/Quantity: Tape and reel packaging, 250 units per reel

Specifications

• Frequency Range: 1 Hz to 710 MHz
• Output Types: LVPECL, LVDS, HCSL, CML, CMOS
• Number of Outputs: 12
• Input Frequency: 8 kHz to 710 MHz
• Supply Voltage: 2.5 V or 3.3 V
• Operating Temperature Range: -40°C to +85°C

Pin Configuration

The SI5327C-C-GM has a total of 24 pins. The pin configuration is as follows:

1. XAXB: Differential input clock pair A
2. XAXN: Differential input clock pair A
3. XBXB: Differential input clock pair B
4. XBXP: Single-ended input clock B
5. XBXN: Differential input clock pair B
6. XAXB: Differential input clock pair A
7. GND: Ground
8. CLKOUT0: Output clock 0
9. CLKOUT1: Output clock 1
10. CLKOUT2: Output clock 2
11. CLKOUT3: Output clock 3
12. CLKOUT4: Output clock 4
13. CLKOUT5: Output clock 5
14. CLKOUT6: Output clock 6
15. CLKOUT7: Output clock 7
16. CLKOUT8: Output clock 8
17. CLKOUT9: Output clock 9
18. CLKOUT10: Output clock 10
19. CLKOUT11: Output clock 11
20. VDD: Power supply
21. GND: Ground
22. GND: Ground
23. GND: Ground
24. GND: Ground

Functional Features

• High-performance clock synthesis and distribution
• Low-jitter output clocks for precise timing requirements
• Flexible input and output options to support various applications
• Integrated loop filter for simplified design and reduced external components
• Programmable output dividers for frequency customization
• Spread Spectrum Clocking (SSC) support for EMI reduction

Advantages and Disadvantages

Advantages: - High-performance clock generation with low jitter - Wide frequency range and flexible output options - Integrated loop filter simplifies design - Programmable dividers allow customization - SSC support reduces electromagnetic interference

Disadvantages: - Limited number of outputs (12) - Requires careful consideration of power supply and grounding for optimal performance

Working Principles

The SI5327C-C-GM is a clock generator and jitter attenuator that uses advanced PLL (Phase-Locked Loop) technology to generate high-quality clock signals. It takes an input clock and processes it through a series of frequency dividers, phase detectors, and voltage-controlled oscillators to produce multiple output clocks with precise frequencies and low jitter.

The device incorporates a programmable loop filter that allows fine-tuning of the PLL response characteristics. This helps in achieving optimal performance for different applications. The integrated spread spectrum clocking feature further reduces electromagnetic interference by modulating the output clock frequency.

Detailed Application Field Plans

The SI5327C-C-GM is widely used in various applications that require precise clock signals. Some of the common application fields include:

1. Telecommunications: Clock synchronization in network equipment, routers, and switches.
2. Data Centers: Timing for servers, storage systems, and high-speed interconnects.
3. Test and Measurement: Clock generation for accurate data acquisition and signal analysis.
4. Broadcast and Video: Synchronization of audio/video signals in broadcasting equipment.
5. Industrial Automation: Timing control in PLCs (Programmable Logic Controllers) and industrial machinery.

Detailed and Complete Alternative Models

• SI5326C-C-GM: Similar to SI5327C-C-GM but with 8 outputs instead of 12.
• SI5338A-C-GM: Clock generator with 8 outputs and integrated voltage regulators.
• SI5341B-C-GM: High-performance clock generator with 14 outputs and advanced features.

These alternative models offer different output configurations and additional features to cater to specific application requirements.

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