SI5344A-B03291-GM

Description：IC CLK BUFFER PLL 44QFN
Series：*

SKU:487503e466a9 Category: Clock Generators, PLLs, Frequency Synthesizers Brand: Skyworks Solutions Inc.

Consult the customer manager about the wholesale price.

consultation hotline：86-132-6715-2157

email：[email protected]
Contact the product manager for consultation. One-stop consultation is available.

Do you want a lower wholesale price? Please send us your inquiry and we will reply immediately.

Product introduction

SI5344A-B03291-GM is listed in the Clock Generators, PLLs, Frequency Synthesizers range at ChipApex. The manufacturer field lists Skyworks Solutions Inc.. Its product description is IC CLK BUFFER PLL 44QFN. Review the specifications below when checking this part for your BOM.

Clock Generators, PLLs, Frequency Synthesizers specifications for SI5344A-B03291-GM

Description：IC CLK BUFFER PLL 44QFN
Series：*
Package：Tray
Mfr：Skyworks Solutions Inc.
PLL：-
Input：-
Output：-
Number of Circuits：-
Ratio - Input:Output：-
Differential - Input:Output：-
Frequency - Max：-
Divider/Multiplier：-
Voltage - Supply：-
Operating Temperature：-
Mounting Type：-
Package / Case：-
Supplier Device Package：-
Type：-

Clock Generators, PLLs, Frequency Synthesizers datasheet and documents for SI5344A-B03291-GM

SI5344A-B03291-GM

Clock Generators, PLLs, Frequency Synthesizers Overview

The SI5344A-B03291-GM is a factory preprogrammed clock synthesizer and jitter attenuator from Skyworks Solutions. It utilizes fourth-generation DSPLL and MultiSynth technologies to generate any-frequency clocks with ultra-low jitter of 90 fs rms. The device features four inputs and four outputs, supporting differential frequencies up to 1028 MHz and LVCMOS up to 250 MHz. It operates on a 1.8 V core voltage and 3.3 V analog supply within a -40°C to +85°C temperature range. Packaged in a 7x7 mm 44-QFN, it includes integrated loop filters and non-volatile memory for known power-up configurations.

Clock Generators, PLLs, Frequency Synthesizers Feature Summary

Generates any combination of output frequencies from any input frequency using integer and fractional synthesis modes.
Supports hitless input clock switching between fractionally related sources without phase offset propagation.
Includes programmable jitter attenuation bandwidth ranging from 0.1 Hz to 4 kHz for optimized performance.
Features fastlock capability to reduce lock acquisition time while maintaining stability.

Clock Generators, PLLs, Frequency Synthesizers Applications

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

Clock Generators, PLLs, Frequency Synthesizers Procurement Notes

Verify the specific factory preprogrammed configuration associated with the B03291 suffix against the target design requirements. Confirm that the ordering part number matches the required Rev D datasheet specifications. Ensure compatibility with the ClockBuilder Pro software for any necessary post-manufacturing adjustments if supported by the specific NVM implementation.

Clock Generators, PLLs, Frequency Synthesizers Selection Notes

Select this component when an ultra-low jitter solution with flexible frequency synthesis is required for high-speed networking or optical transport applications. The Si5344 variant provides four outputs suitable for complex system timing architectures. Verify that the input frequency ranges and output drive strengths align with the downstream receiver specifications.

Clock Generators, PLLs, Frequency Synthesizers Part Context

This device belongs to the Si5345/44/42 Rev D family, which integrates DSPLL and MultiSynth technologies. The Si5344 specifically offers four inputs and four outputs in a compact 44-QFN package. It serves as a jitter cleaner and clock multiplier for applications demanding precise synchronization and low phase noise performance across various industrial and telecommunications standards.