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Si53320

Part Number	Si53320
Manufacturer	Skyworks Solutions
Description	Low-Jitter LVPECL Fanout Clock Buffers
Published	Aug 16, 2021
Detailed Description	Si53320-28 Data Sheet Low-Jitter LVPECL Fanout Clock Buffers with up to 10 LVPECL Outputs from Any-Format Input and Wid...
Datasheet	Si53320 PDF File

Overview

Si53320-28 Data Sheet Low-Jitter LVPECL Fanout Clock Buffers with up to 10 LVPECL Outputs from Any-Format Input and Wide Frequency Range from DC up to 1250 MHz The Si53320–28 family of LVPECL fanout buffers is ideal for clock/data distribution and redundant clocking applications.
These devices feature typical ultra-low jitter characteristics of 50 fs and operate over a wide frequency range from dc to 725/1250 MHz.
Built-in LDOs deliver high PSRR performance and reduce the need for external components, simplifying low-jitter clock distribution in noisy environments.
The Si53320–28 family is available in multiple configurations, with some versions offering a selectable input clock using a 2:1 input mux.
Other features include independent output enable and built-in format translation.
These buffers can be paired with the Si534x clocks and Si5xx oscillators to deliver end-to-end clock tree performance.
KEY FEATURES • Ultra-low additive jitter: 50 fs rms • Built-in LDOs for high PSRR performance • Up to 10 LVPECL Outputs • Any-format Inputs (LVPECL, Low-power LVPECL, LVDS, CML, HCSL, LVCMOS) • Wide frequency range: dc to 1250 MHz • Output Enable option • Multiple configuration options • Dual Bank option • 2:1 Input Mux operation • RoHS compliant, Pb-free • Temperature range: –40 to +85 °C VDD Power Supply Filtering 4 CLK0* CLK1* CLK_SEL 5 0 1 3 3 4 Outputs OEb 5 Outputs VDDOA OEAb 3 Outputs 3 Outputs OEBb VDDOB Si53323 Si53320 Si53327/28 10 10 Outputs Si53321/26 VDD Power Supply Filtering CLK 2 2 Outputs Si53322 VDD Power Supply Filtering CLK0 5 5 Outputs Si53325 CLK1 5 5 Outputs *Si53326/28 require Single-ended Inputs 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 • December 3, 2021 1 Si53320-28 Data Sheet • Ordering Guide 1.
Ordering Guide Part Number Si533...

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