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Si5394 Datasheet Preview

Si5394 Datasheet

Any-Output Jitter Attenuator/Clock Multiplier

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Si5395/94/92 Data Sheet
12-Channel, Any-Frequency, Any-Output Jitter Attenua-
tor/Clock Multiplier with Ultra-Low Jitter
The Si5395/94/92 Jitter attenuators combine fourth-generation DSPLL™ and Multi-
Synth™ technologies to deliver ultra-low jitter (69 fs) for high performance applica-
tions like 56G SerDes. They are used in applications that demand the highest level
of integration and jitter performance. All PLL components are integrated on-chip,
eliminating the risk of noise coupling associated with discrete solutions. Device
grades J/K/L/M/E have an integrated reference to save board space, improve sys-
tem reliability and reduces the effect of acoustic emissions noise caused by temper-
ature ramps. Grades A/B/C/D/P use an external crystal (XTAL) or crystal oscillator
(XO) reference.
The Si5395/94/92 support free-run, synchronous and holdover modes as well as en-
hanced hitless switching, minimizing the phase transients associated when switching
between input clocks. 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. Programming the Si5395/94/92 is easy with Silicon
Labs’ ClockBuilderTM Pro software. Factory preprogrammed devices are also availa-
ble.
For more information, visit the https://www.silabs.com/contact-sales page.
Applications:
• 56G/112G PAM4 SerDes clocking
• OTN muxponders and transponders
• 10/40/100/200/400G networking line cards
• 10/40/100/400 GbE Synchronous Ethernet (ITU-T G.8262)
• Medical imaging
• Test and measurement
KEY FEATURES
• Generates any combination of output
frequencies from any input frequency
• Ultra low phase jitter:
• 69 fs RMS (Grade P)
• 71 fs RMS (Grade E)
• 85 fs RMS (integer mode)
• 100 fs RMS (fractional mode)
• Enhanced hitless switching minimizes output
phase transients (0.2 ns typ)
• 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
• Meets G.8262, E.8262.1 EEC Standards
• Status monitoring
• Si5395: 4 input, 12 output (64-QFN/LGA)
• Si5394: 4 input, 4 output (44-QFN/LGA)
• Si5392: 4 input, 2 output (44-QFN/LGA)
• External reference: Grades A/B/C/D/P
• Integrated reference: Grades J/K/L/M/E
• Drop-in compatible with Si5345/44/42
Integrated
Reference*
IN0
÷FRAC
4 Input IN1
Clocks IN2
÷FRAC
÷FRAC
IN3/FB_IN
÷FRAC
DSPLL
MultiSynth
MultiSynth
MultiSynth
MultiSynth
MultiSynth
Status Flags
I2C/SPI
Status Monitor
Control
NVM
÷INT
÷INT
÷INT
÷INT
÷INT
÷INT
÷INT
÷INT
÷INT
÷INT
÷INT
÷INT
OUT0A
OUT0
OUT1
OUT2
OUT3
OUT4
OUT5
OUT6
OUT7
OUT8
OUT9
OUT9A
Up to 12
Output Clocks
*Only for Si539x J/K/L/M/E grades. Si539x A/B/C/D/P grades have external reference (XTAL or XO)
Skyworks Solutions, Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • sales@skyworksinc.com • www.skyworksinc.com
1
Rev. 1.2 • Skyworks Proprietary Information • Products and Product Information are Subject to Change Without Notice • July 26, 2021
1




Skyworks Solutions

Si5394 Datasheet Preview

Si5394 Datasheet

Any-Output Jitter Attenuator/Clock Multiplier

No Preview Available !

Si5395/94/92 Data Sheet • Features List
1. Features List
The Si5395/94/92 features are listed below:
• Generates any output frequency in any format from any input
frequency
• External XTAL or XO reference (A/B/C/D/P)
• Integrated reference (J/K/L/M/E)
• Ultra-low phase jitter of 69 fs (P-Grade)
• Dynamic phase adjust
• Input frequency range
• Differential: 8 kHz–750 MHz
• LVCMOS: 8 kHz–250 MHz
• Output frequency range
• Differential: 100 Hz to 1028 MHz
• LVCMOS: 100 Hz to 250 MHz
• Programmable jitter attenuation bandwidth: 0.1 Hz to 4 kHz
• Meets requirements of:
• ITU-T G.8262 (SyncE) EEC Options 1 and 2
• ITU-T G.8262.1 (Enhanced SyncE) eEEC
• Highly configurable outputs compatible with LVDS, LVPECL,
LVCMOS, CML, and HCSL with programmable signal ampli-
tude
• Status monitoring (LOS, OOF, LOL)
• Enhanced hitless switching for 8 kHz, 19.44 MHz, 25 MHz
inputs and other frequencies
• Locks to gapped clock inputs
• Free-run and holdover modes
• Drop-in compatible with Si5345/44/42
• Optional zero delay mode
• Fast-lock acquisition for low nominal bandwidths
• Independent Frequency-on-the fly for each MultiSynth
• DCO mode: as low as 0.001 ppb step size
• Core voltage
• VDD: 1.8 V ±5%
• VDDA: 3.3 V ±5%
• Independent output clock supply pins
• 3.3 V, 2.5 V, or 1.8 V
Serial interface: I2C or SPI
• In-circuit programmable with non-volatile OTP memory
• ClockBuilder Pro software simplifies device configuration
• Si5395: 4 input, 12 output
• Grade A/B/C/D/P: 64-QFN 9×9 mm
• Grade J/K/L/M/E: 64-LGA 9x9 mm
• Si5394: 4 input, 4 output
• Grade A/B/C/D/P: 44-QFN 7×7 mm
• Grade J/K/L/M/E: 44-LGA 7x7 mm
• Si5392: 4 input, 2 output
• Grade A/B/C/D/P: 44-QFN 7×7 mm
• Grade J/K/L/M/E: 44-LGA 7x7 mm
• Temperature range: –40 to +85 °C
• Pb-free, RoHS-6 compliant
Skyworks Solutions, Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • sales@skyworksinc.com • www.skyworksinc.com
2
Rev. 1.2 • Skyworks Proprietary Information • Products and Product Information are Subject to Change Without Notice • July 26, 2021
2


Part Number Si5394
Description Any-Output Jitter Attenuator/Clock Multiplier
Maker Skyworks Solutions
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Si5394 Datasheet PDF






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