SI5345 Jitter Attenuator:Pinout, Application and Detailed Block Diagrams

SI5345 is a jitter attenuator clock multiplier, which combines fourth-generation DSPLL™ and MultiSynth™ technologies to enable any-frequency clock generation and jitter attenuation for applications requiring the highest level of jitter performance.

Symbol

Footprint

3D Model

• Generates any combination of output frequencies from any input frequency

• Ultra-low jitter of 90 fs rms

• 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 G.8262 EEC Option 1, 2 (SyncE)

• Highly configurable outputs compatible with LVDS, LVPECL,

LVCMOS, CML, and HCSL with programmable signal amplitude

• Status monitoring (LOS, OOF, LOL)

• Hitless input clock switching: automatic or manual

• Locks to gapped clock inputs

• Free-run and holdover modes

 • Optional zero delay mode

• Fastlock feature for low nominal bandwidths

• Glitchless on the fly output frequency changes

• 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

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

• Temperature range: –40 to +85 °C

• Pb-free, RoHS-6 compliant

• 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

Silicon Labs (NASDAQ: SLAB) is a leading provider of silicon, software and system solutions for the Internet of Things, Internet infrastructure, industrial control, consumer and automotive markets. Resolving the electronics industry's toughest problems, providing customers with significant advantages in performance, energy savings, connectivity, and design simplicity. Backed by world-class engineering teams with unsurpassed software and mixed-signal design expertise, Silicon Labs empowers developers with the tools and technologies they need to advance quickly and easily from initial idea to final product.

Download datasheets and manufacturer documentation for Silicon Labs SI5345A-B-GM.