company blog about Skyworks SI53307-B-GMR Ultra-Low Additive Jitter Fanout Clock Buffers

Skyworks SI53307-B-GMR Ultra-Low Additive Jitter Fanout Clock Buffers

Shenzhen Mingjiada Electronics Co., Ltd, as a well-known electronic components distributor in China, supplies Skyworks SI53307-B-GMR ultra-low additional jitter fan-out clock buffer in stock, providing accurate clock solutions for all kinds of high-frequency applications.

Product Description Of SI53307-B-GMR

SI53307-B-GMR is a universal 2 : 2 low jitter clock buffer/level translator with a pin-selectable output clock signal format and divider selection. The SI53307-B-GMR features a glitchless switching mux, making it ideal for redundant clocking applications. The SI53307-B-GMR utilizes advanced CMOS technology to fanout 2 from 1 to 725 MHz with guaranteed low additive jitter, low skew, and low propagation delay variability. The SI53307-B-GMR features minimal cross-talk and provides superior supply noise rejection, simplifying low jitter clock distribution in noisy environments. Independent core and output bank supply pins provide integrated level translation without the need for external circuitry.

SI53307-B-GMR up to 10 Universal Outputs from Any-Format Input and Wide Frequency Range from 1MHz to 725MHz.

SI53307-B-GMR feature typical ultra-low jitter characteristics of 50 fs and operate over a wide frequency range. Built-in LDOs deliver high PSRR performance and reduce the need for external components, simplifying low-jitter clock distribution in noisy environments.

Specification Of SI53307-B-GMR

Number of Circuits：1

Ratio - Input:Output：2:4

Differential - Input:Output：Yes/Yes

Input：CML, HCSL, LVCMOS, LVDS, LVPECL

Output：CML, HCSL, LVCMOS, LVDS, LVPECL

Frequency - Max：725 MHz

Voltage - Supply：1.71V ~ 3.63V

Operating Temperature：-40°C ~ 85°C

Number of Outputs: 2 Output

Propagation Delay - Max: 1075 ps

Output Type: Differential

Duty Cycle - Max: 60 %

Operating Supply Current: 65 mA

Unit Weight: 1.141 g

Features Of SI53307-B-GMR

Ultra-low additive jitter: 50 fs rms

Built-in LDOs for high PSRR performance

Up to 10 outputs

Any-format Inputs (LVPECL, Low-power LVPECL, LVDS, CML, HCSL, LVCMOS)

Wide frequency range

Output Enable option

Multiple configuration options

Dual Bank option

2:1 Input Mux operation

Synchronous output enable

Loss of signal (LOS) monitors for loss of input clock

Output clock division: /1, /2, /4

RoHS compliant, Pb-free

Temperature range: –40 to +85 °C

Application Of SI53307-B-GMR

Communication Network Infrastructure

The SI53307-B-GMR plays a key role in communication network equipment, especially where high precision clock distribution is required. Modern communication systems such as Ethernet switches, routers, optical transmission equipment, etc. have stringent requirements for the purity and stability of clock signals, and the SI53307-B-GMR's ultra-low additive jitter of 50fs makes it ideal for these applications, effectively maintaining the integrity of the system-level clock tree.

Data Centre and Cloud Computing Equipment

Modern data centre equipment presents unprecedented challenges to the clock subsystem, with the proliferation of high-speed serial interfaces making clock jitter a key factor in system BER. the SI53307-B-GMR excels in such applications, especially in scenarios such as high-speed Ethernet and storage area networks.

Industrial and Medical Electronic Systems

In industrial control systems, the SI53307-B-GMR can be used to distribute clock signals required by processors, FPGAs and various interface modules. The device's wide supply voltage range (1.71V to 3.63V)2 enables it to adapt to a wide range of power rails commonly found in industrial systems. At the same time, its support for the LVCMOS output format2 simplifies the design of interfaces to a wide range of microcontrollers and digital logic devices. For applications that require long-distance clock transmission, the device offers LVDS output2 to provide better noise immunity.

Medical imaging devices such as ultrasound and CT have extremely stringent clock subsystem requirements, and the ultra-low jitter characteristics of the SI53307-B-GMR make it suitable for driving precision analogue devices such as high-speed ADCs/DACs to ensure accurate signal acquisition. In these applications, the device's output synchronisation feature is particularly useful, as it maintains clock phase consistency across multiple converters and avoids the introduction of timing errors. At the same time, the device's small package size is in line with the trend towards increasingly smaller medical devices.

Consumer Electronics and Embedded Systems

In 4K/8K video processing systems, the SI53307-B-GMR can be used to distribute pixel clocks and various interface clocks. Its support for the LVPECL output format2 is suitable for driving high-speed serial video interfaces such as HDMI 2.1 or DisplayPort, while the device's multi-output capability simplifies system clocking architectures by allowing the same clock source to serve the processor, FPGA and interface devices.

Embedded computing platforms also benefit from the features of the SI53307-B-GMR. In a multi-core processor system, the device can be used to distribute synchronised clock signals, ensuring coordinated operation between processing units. Its support of the HCSL output format2 enables it to directly drive the high-speed interfaces of modern processors, such as the DDR memory bus. At the same time, the device's low-power characteristics meet the energy efficiency requirements of embedded systems.

Product Images Of SI53307-B-GMR