SI5327B-C-GM

Overview

Category: Integrated Circuit
Use: Clock Generator and Jitter Attenuator
Characteristics: High-performance, low-jitter clock synthesis and distribution
Package: 24-pin QFN
Essence: Provides precise clock signals for various applications
Packaging/Quantity: Tape and Reel, 250 units per reel

Specifications and Parameters

Input Frequency Range: 1 kHz to 710 MHz
Output Frequency Range: 1 kHz to 945 MHz
RMS Phase Jitter: <0.3 ps (typical)
Supply Voltage: 2.5 V to 3.3 V
Operating Temperature Range: -40°C to +85°C

Pin Configuration

The SI5327B-C-GM has a total of 24 pins. The pin configuration is as follows:

VDDO
VDDI
GND
XAXB
XAXT
XBXB
XBXT
CLKIN
CLKOUT0
CLKOUT1
CLKOUT2
CLKOUT3
CLKOUT4
CLKOUT5
CLKOUT6
CLKOUT7
CLKOUT8
CLKOUT9
CLKOUT10
CLKOUT11
CLKOUT12
CLKOUT13
CLKOUT14
CLKOUT15

Functional Characteristics

High-frequency clock synthesis and distribution
Low phase noise and jitter attenuation
Programmable output frequencies and formats
Flexible input and output options
Integrated voltage regulators for improved power supply noise rejection

Advantages and Disadvantages

Advantages: - High-performance clock generation - Low jitter and phase noise - Wide frequency range - Flexible configuration options

Disadvantages: - Relatively high power consumption - Requires careful PCB layout for optimal performance

Applicable Range of Products

The SI5327B-C-GM is suitable for a wide range of applications that require precise clock signals, such as: - Telecommunications equipment - Networking devices - Data centers - Test and measurement instruments - Industrial automation systems

Working Principles

The SI5327B-C-GM utilizes advanced PLL (Phase-Locked Loop) technology to generate and distribute accurate clock signals. It incorporates multiple frequency dividers, phase detectors, and voltage-controlled oscillators to achieve precise frequency synthesis and jitter attenuation.

Detailed Application Field Plans

Telecommunications Equipment: The SI5327B-C-GM can be used in base stations, routers, and switches to provide stable clock signals for data transmission and synchronization.
Networking Devices: It ensures accurate timing for Ethernet switches, routers, and network interface cards, improving overall network performance.
Data Centers: The IC helps synchronize servers, storage systems, and network equipment, reducing data transmission errors and improving system reliability.
Test and Measurement Instruments: Precise timing is crucial in test and measurement applications. The SI5327B-C-GM ensures accurate clock signals for oscilloscopes, signal generators, and other instruments.
Industrial Automation Systems: The IC provides reliable clock signals for PLCs (Programmable Logic Controllers), motion controllers, and other automation devices, ensuring precise control and synchronization.

Detailed Alternative Models

SI5326A-C-GM: Similar features and performance, but with a different pin configuration.
SI5328B-C-GM: Higher output frequency range and additional features for more demanding applications.
SI5338A-C-GM: Clock generator with integrated fanout buffers for driving multiple loads.

5 Common Technical Questions and Answers

Q: What is the maximum output frequency of the SI5327B-C-GM? A: The maximum output frequency is 945 MHz.
Q: Can I use a lower supply voltage than the specified range? A: No, the SI5327B-C-GM requires a supply voltage between 2.5 V and 3.3 V for proper operation.
Q: How can I minimize phase noise when using this IC? A: Proper PCB layout, decoupling capacitors, and careful signal routing are essential to minimize phase noise.
Q: Can I program the output frequencies on-the-fly? A: Yes, the SI5327B-C-GM supports dynamic frequency programming through its serial interface.
Q: Is the SI5327B-C-GM RoHS compliant? A: Yes, the IC is RoHS (Restriction of Hazardous Substances) compliant, ensuring environmental safety.

This encyclopedia entry provides an overview of the SI5327B-C-GM clock generator