Datasheet > SI5345B-D04815-GM

SI5345B-D04815-GM

更新时间： 2025-09-25 18:56:27

品牌	Logo	应用领域
思佳讯 - SKYWORKS		/
页数	文件大小	规格书
58页	971K
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Si5345/44/42 Rev D Data Sheet

10-Channel, Any-Frequency, Any-Output Jitter Attenua-

tor/Clock Multiplier

KEY FEATURES

• Generates any combination of output

frequencies from any input frequency

These jitter attenuating clock multipliers combine fourth-generation DSPLL^™and

MultiSynth^™technologies to enable any-frequency clock generation and jitter attenu-

ation for applications requiring the highest level of jitter performance. These devices

are programmable via a serial interface with in-circuit programmable non-volatile

memory (NVM) so they always power up with a known frequency configuration.

They support free-run, synchronous, and holdover modes of operation, and offer

both automatic and manual input clock switching. The loop filter is fully integrated

on-chip, eliminating the risk of noise coupling associated with discrete solutions. Fur-

thermore, the jitter attenuation bandwidth is digitally programmable, providing jitter

performance optimization at the application level. Programming the Si5345/44/42 is

• Ultra-low jitter of 90 fs rms

• External Crystal: 25 to 54 MHz

• Input frequency range

• Differential: 8 kHz to 750 MHz

• LVCMOS: 8 kHz to 250 MHz

• Output frequency range

• Differential: 100 Hz to 1028 MHz

• LVCMOS: 100 Hz to 250 MHz

easy with Skyworks’ ClockBuilder Pro^™software. Factory preprogrammed devices

are also available.

• Meets G.8262 EEC Option 1, 2 (SyncE)

• Highly configurable outputs compatible with

LVDS, LVPECL, LVCMOS, CML, and HCSL

with programmable signal amplitude

Applications:

• Si5345: 4 input, 10 output, 64-QFN 9×9 mm

• Si5344: 4 input, 4 output, 44-QFN 7×7 mm

• Si5342: 4 input, 2 output, 44-QFN 7×7 mm

• OTN muxponders and transponders

• 10/40/100 G networking line cards

• GbE/10 GbE/100 GbE Synchronous Ethernet (ITU-T G.8262)

• Carrier Ethernet switches

• SONET/SDH line cards

• Broadcast video

• Test and measurement

• ITU-T G.8262 (SyncE) compliant

25-54 MHz XTAL

OSC

MultiSynth

÷INT

OUT0

OUT1

OUT2

OUT3

÷INT

÷FRAC

IN0

IN1

IN2

DSPLL

4 Input

Clocks

Up to 10

Output Clocks

OUT4

OUT5

OUT6

OUT7

OUT8

OUT9

÷INT

IN3/FB_IN

Status Flags

I2C / SPI

Status Monitor

Control

NVM

Skyworks Solutions, Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • sales@skyworksinc.com • www.skyworksinc.com

Rev. 1.2 • Skyworks Proprietary Information • Products and Product Information are Subject to Change Without Notice • November 30, 2021

12 3 4 5 6 7...58

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