SI5338M-B04368-GMR

Basic Information Overview

Category: Integrated Circuit (IC)
Use: Clock Generator and Multiplier
Characteristics: High-performance, low-jitter, programmable clock generator
Package: 48-pin QFN (Quad Flat No-Lead)
Essence: Provides multiple clock outputs with precise frequency and phase control
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: LVPECL, LVDS, HCSL, CMOS
Programmable Features: Frequency, Phase, Output Format, Spread Spectrum, etc.
Operating Temperature Range: -40°C to +85°C

Detailed and Complete Pin Configuration

VDDO: Output Supply Voltage
VDDI: Input Supply Voltage
GND: Ground
XAXB: Differential Clock Inputs
XAXT: Single-Ended Clock Input
CLKOUT0 to CLKOUT7: Clock Outputs
SDA: I2C Serial Data Input
SCL: I2C Serial Clock Input
OE: Output Enable
RST: Reset Input
NC: No Connection

Functional Characteristics

Flexible clock generation and multiplication
Low jitter and phase noise performance
Wide frequency range with fine resolution
Programmable output formats for compatibility
Spread spectrum modulation for EMI reduction
I2C interface for easy configuration
Power-down mode for energy saving

Advantages and Disadvantages

Advantages: - High-performance clock generation - Precise frequency and phase control - Versatile output formats - Easy configuration through I2C interface

Disadvantages: - Relatively high cost compared to simpler clock generators - Requires knowledge of clocking systems for optimal use

Applicable Range of Products

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

Working Principles

The SI5338M-B04368-GMR is a clock generator IC that utilizes a phase-locked loop (PLL) architecture. It takes an input clock signal and generates multiple output clocks with precise frequency and phase control. The device uses programmable dividers, multipliers, and phase shifters to achieve the desired output frequencies and formats.

Detailed Application Field Plans

Telecommunications Equipment: Provides synchronized clocks for data transmission and reception.
Networking Devices: Generates clock signals for Ethernet switches, routers, and network processors.
Data Centers: Ensures accurate timing for server clusters, storage systems, and network infrastructure.
Industrial Automation Systems: Synchronizes various components in control systems and PLCs.
Test and Measurement Instruments: Offers precise timing references for accurate measurements.

Detailed Alternative Models

SI5332M-B04368-GMR: Similar clock generator with fewer outputs.
SI5341M-B04368-GMR: Clock generator with integrated jitter attenuator for improved performance.
SI5368M-B04368-GMR: Multi-channel clock generator with additional features for specific applications.

5 Common Technical Questions and Answers

Q: Can I program the output frequencies on-the-fly? A: Yes, the SI5338M-B04368-GMR supports dynamic frequency changes through its I2C interface.
Q: What is the typical phase noise performance of this device? A: The phase noise depends on the specific output frequency and format, but it is generally very low.
Q: Can I synchronize multiple SI5338M-B04368-GMR devices together? A: Yes, the devices can be synchronized using external clock references or by sharing the same I2C bus.
Q: Is there a way to reduce electromagnetic interference (EMI) with this IC? A: Yes, the SI5338M-B04368-GMR offers spread spectrum modulation capability for EMI reduction.
Q: What is the power consumption of this clock generator? A: The power consumption depends on the specific configuration and output load, but it is generally low.

This encyclopedia entry provides an overview of the SI5338M-B04368-GMR clock generator IC, including its basic information, specifications, pin configuration, functional characteristics, advantages and disadvantages, applicable range of products, working principles, detailed application field plans, alternative models, and common technical questions and answers.