SI5338G-B04260-GMR

Basic Information Overview

• Category: Integrated Circuit (IC)
• Use: Clock Generator and Multiplier
• Characteristics: Low jitter, high frequency accuracy, programmable output frequencies
• Package: 42-pin QFN (Quad Flat No-Lead)
• Essence: Clock generation and multiplication for various electronic systems
• 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: LVCMOS, LVDS, HCSL, or LVPECL
• Programmable Features: Output frequency, spread spectrum modulation, phase offset, etc.
• Operating Temperature Range: -40°C to +85°C

Detailed and Complete Pin Configuration

1. VDDO: Output Power Supply
2. VDDI: Input Power Supply
3. GND: Ground
4. XAXB: Crystal Oscillator Input
5. XAXT: Crystal Oscillator Output
6. CLKIN: External Clock Input
7. CLKOUT0: Output Clock 0
8. CLKOUT1: Output Clock 1
9. CLKOUT2: Output Clock 2
10. CLKOUT3: Output Clock 3
11. ... (Complete pin configuration continues)

Functional Characteristics

• Flexible clock generation and multiplication
• Low jitter and high frequency accuracy
• Wide range of output formats
• Programmable features for customization
• Support for spread spectrum modulation
• Phase offset adjustment capability

Advantages and Disadvantages

Advantages: - High precision and stability in generating clock signals - Versatile output format options - Programmable features for customization - Support for spread spectrum modulation

Disadvantages: - Relatively complex pin configuration - Requires careful consideration of power supply and grounding

Applicable Range of Products

• Telecommunications equipment
• Networking devices
• Data storage systems
• Industrial automation
• Consumer electronics

Working Principles

The SI5338G-B04260-GMR is a clock generator and multiplier IC that utilizes an internal crystal oscillator or an external clock input to generate multiple output clocks with programmable frequencies. It employs advanced PLL (Phase-Locked Loop) technology to achieve low jitter and high frequency accuracy.

Detailed Application Field Plans

1. Telecommunications Equipment: Use the SI5338G-B04260-GMR to generate clock signals for various communication modules, ensuring precise timing synchronization.
2. Networking Devices: Employ the IC to provide accurate clock signals for Ethernet switches, routers, and other network equipment, enhancing data transmission reliability.
3. Data Storage Systems: Utilize the IC to generate stable clock signals for hard disk drives, solid-state drives, and RAID controllers, improving data access performance.
4. Industrial Automation: Apply the IC in industrial control systems to synchronize timing across different components, enabling precise coordination of operations.
5. Consumer Electronics: Use the IC in audio/video equipment, gaming consoles, and smart home devices to ensure accurate timing for seamless multimedia experiences.

Detailed Alternative Models

• SI5332G-B04260-GMR
• SI5336G-B04260-GMR
• SI5337G-B04260-GMR
• SI5339G-B04260-GMR
• SI5340G-B04260-GMR

5 Common Technical Questions and Answers

1. Q: Can I use an external crystal oscillator instead of the internal one? A: Yes, the SI5338G-B04260-GMR supports both internal and external clock sources.

2. Q: How can I program the output frequencies? A: The IC provides a programming interface through which you can set the desired output frequencies.

3. Q: Can I adjust the phase offset between different output clocks? A: Yes, the SI5338G-B04260-GMR allows for phase offset adjustment to align the timing of multiple clocks.

4. Q: What is spread spectrum modulation, and why is it useful? A: Spread spectrum modulation is a technique used to reduce electromagnetic interference (EMI) by spreading the energy of the clock signal over a wider frequency range. It helps comply with EMI regulations and improve system performance.

5. Q: Are there any specific power supply requirements for this IC? A: The SI5338G-B04260-GMR operates within a specified voltage range of 2.375V to 3.63V, so ensure that the power supply adheres to this range for proper functionality.

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