Clock Generators & Support Products

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Si5351 Programmable Clock Generators

Skyworks Solutions Inc. Si5351 Programmable Clock Generators can be customized to generate up to eight independent non-integer-related frequencies. These clock ICs have eight CMOS clock outputs offered in a space-saving 4mmx4mm 20-QFN and 24-QSOP package or three clock outputs offered in a 10-MSOP package. Each output has an independent MultiSynth™ fractional divider that accepts a high-frequency reference from one of the devices' internal PLLs and accurately divides down the clock to generate unique, non-integer-related frequencies from 8kHz to 133MHz. Any combination of output frequencies can be generated by the device. All clocks are generated with 0ppm frequency synthesis error, enabling the replacement of XOs and PLL-based clocks while simplifying design and minimizing cost. As an added feature, the Si5351 features an integrated VCXO, which eliminates the need for pullable crystals.

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Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (USD) Filter the results in the table by unit price based on your quantity.	Qty.	Type	Number of Outputs	Max Output Freq	Maximum Input Frequency	Package/Case	Duty Cycle - Max	Jitter	Supply Voltage - Max	Supply Voltage - Min	Series	Operating Supply Current	Minimum Operating Temperature	Maximum Operating Temperature	Mounting Style	Packaging
Clock Generators & Support Products I2C configurable clock generator SI5351C-B-GM Skyworks Solutions, Inc. 1: $5.02 42,859In Stock	Mfr. Part No. SI5351C-B-GM Mouser Part No 634-SI5351C-B-GM	Skyworks Solutions, Inc.	Clock Generators & Support Products I2C configurable clock generator Learn More about Skyworks Solutions, Inc. skyworks si5351 clock generators	Datasheet	42,859In Stock	$5.02 $3.83 $3.54 $3.11 View $3.02 $2.93 $2.83 $2.81	Min.: 1 Mult.: 1	Programmable Clock Generator	8 Output	200 MHz	100 MHz	QFN-20	60 %	70 ps	3.6 V	2.25 V	Si5351	27 mA	- 40 C	+ 85 C	SMD/SMT	Cut Tape
Clock Generators & Support Products I2C configurable clock generator SI5351B-B-GM Skyworks Solutions, Inc. 1: $4.77 14,122In Stock	Mfr. Part No. SI5351B-B-GM Mouser Part No 634-SI5351B-B-GM	Skyworks Solutions, Inc.	Clock Generators & Support Products I2C configurable clock generator Learn More about Skyworks Solutions, Inc. skyworks si5351 clock generators	Datasheet	14,122In Stock	$4.77 $3.63 $3.34 $2.91 View $2.80 $2.76 $2.67 $2.61	Min.: 1 Mult.: 1	Programmable Clock Generator	8 Output	200 MHz	27 MHz	QFN-20	60 %	70 ps	3.6 V	2.25 V	Si5351	27 mA	- 40 C	+ 85 C	SMD/SMT	Cut Tape
Clock Generators & Support Products I2C Prog, Any Frequency, Any Output, VCXO ref, 8-Output LVCMOS Clock Gen SI5351B-B02073-GM Skyworks Solutions, Inc. 1: $4.76 5,533In Stock	Mfr. Part No. SI5351B-B02073-GM Mouser Part No 634-SI5351BB02073-GM	Skyworks Solutions, Inc.	Clock Generators & Support Products I2C Prog, Any Frequency, Any Output, VCXO ref, 8-Output LVCMOS Clock Gen Learn More about Skyworks Solutions, Inc. skyworks si5351 clock generators	Datasheet	5,533In Stock	$4.76 $3.62 $3.33 $3.11 View $2.79 $2.78 $2.77 $2.69 $2.67	Min.: 1 Mult.: 1	Programmable Clock Generator	8 Output	200 MHz	27 MHz	QFN-20	60 %	70 ps	3.6 V	2.25 V	Si5351	27 mA	- 40 C	+ 85 C	SMD/SMT	Cut Tape
Clock Generators & Support Products I2C Prog, Any Frequency, Any Output, VCXO ref, 8-Output LVCMOS Clock Gen SI5351B-B02073-GMR Skyworks Solutions, Inc. 1: $4.51 8,769In Stock 20,000Expected 2026/12/03	Mfr. Part No. SI5351B-B02073-GMR Mouser Part No 634-SI5351BB02073GMR	Skyworks Solutions, Inc.	Clock Generators & Support Products I2C Prog, Any Frequency, Any Output, VCXO ref, 8-Output LVCMOS Clock Gen Learn More about Skyworks Solutions, Inc. skyworks si5351 clock generators	Datasheet	8,769In Stock 20,000Expected 2026/12/03	Cut Tape $4.51 $3.63 $3.34 $3.04 View Reel $2.61 $2.87 $2.85 $2.67 $2.61 MouseReel Available	Min.: 1 Mult.: 1 : 2,500	Programmable Clock Generator	8 Output	200 MHz	27 MHz	QFN-20	60 %	70 ps	3.6 V	2.25 V	Si5351	27 mA	- 40 C	+ 85 C	SMD/SMT	Reel, Cut Tape, MouseReel
Clock Generators & Support Products I2C configurable clock generator SI5351C-B-GMR Skyworks Solutions, Inc. 1: $5.16 541In Stock	Mfr. Part No. SI5351C-B-GMR Mouser Part No 634-SI5351C-B-GMR	Skyworks Solutions, Inc.	Clock Generators & Support Products I2C configurable clock generator Learn More about Skyworks Solutions, Inc. skyworks si5351 clock generators	Datasheet	541In Stock	Cut Tape $5.16 $3.93 $3.62 $3.28 Reel $2.81 View $3.12 $3.08 $3.07 $2.76 MouseReel Available	Min.: 1 Mult.: 1 : 2,500	Programmable Clock Generator	8 Output	200 MHz	100 MHz	QFN-20	60 %	70 ps	3.6 V	2.25 V	Si5351	27 mA	- 40 C	+ 85 C	SMD/SMT	Reel, Cut Tape, MouseReel
Clock Generators & Support Products I2C configurable clock generator SI5351A-B-GM Skyworks Solutions, Inc. 1: $4.40 345In Stock 400Expected 2026/12/03	Mfr. Part No. SI5351A-B-GM Mouser Part No 634-SI5351A-B-GM	Skyworks Solutions, Inc.	Clock Generators & Support Products I2C configurable clock generator Learn More about Skyworks Solutions, Inc. skyworks si5351 clock generators	Datasheet	345In Stock 400Expected 2026/12/03	$4.40 $3.34 $3.06 $2.67 View $2.57 $2.52 $2.43 $2.37	Min.: 1 Mult.: 1	Programmable Clock Generator	8 Output	200 MHz	27 MHz	QFN-20	60 %	70 ps	3.6 V	2.25 V	Si5351	27 mA	- 40 C	+ 85 C	SMD/SMT	Cut Tape
Clock Generators & Support Products I2C configurable clock generator SI5351A-B-GMR Skyworks Solutions, Inc. 1: $4.54 9In Stock	Mfr. Part No. SI5351A-B-GMR Mouser Part No 634-SI5351A-B-GMR	Skyworks Solutions, Inc.	Clock Generators & Support Products I2C configurable clock generator Learn More about Skyworks Solutions, Inc. skyworks si5351 clock generators	Datasheet	9In Stock	Cut Tape $4.54 $3.43 $3.15 $2.85 View Reel $2.47 $2.70 $2.67 $2.59 $2.47 MouseReel Available	Min.: 1 Mult.: 1 : 2,500	Programmable Clock Generator	8 Output	200 MHz	27 MHz	QFN-20	60 %	70 ps	3.6 V	2.25 V	Si5351	27 mA	- 40 C	+ 85 C	SMD/SMT	Reel, Cut Tape, MouseReel
Clock Generators & Support Products I2C configurable clock generator SI5351A-B-GTR Skyworks Solutions, Inc. 1: $2.26 21,900Expected 2026/12/03	Mfr. Part No. SI5351A-B-GTR Mouser Part No 634-SI5351A-B-GTR	Skyworks Solutions, Inc.	Clock Generators & Support Products I2C configurable clock generator Learn More about Skyworks Solutions, Inc. skyworks si5351 clock generators	Datasheet	21,900Expected 2026/12/03	Cut Tape $2.26 $1.67 $1.52 $1.36 View Reel $1.15 $1.28 $1.23 $1.20 $1.15 MouseReel Available	Min.: 1 Mult.: 1 : 2,500	Programmable Clock Generator	3 Output	200 MHz	27 MHz	MSOP-10	60 %	70 ps	3.6 V	2.25 V	Si5351	22 mA	- 40 C	+ 85 C	SMD/SMT	Reel, Cut Tape, MouseReel
Clock Generators & Support Products I2C configurable clock generator SI5351B-B-GMR Skyworks Solutions, Inc. 1: $4.77 14,094On Order	Mfr. Part No. SI5351B-B-GMR Mouser Part No 634-SI5351B-B-GMR	Skyworks Solutions, Inc.	Clock Generators & Support Products I2C configurable clock generator Learn More about Skyworks Solutions, Inc. skyworks si5351 clock generators	Datasheet	14,094On Order On Order Ship Dates Mfr. No: SI5351B-B-GMR Stock: 0 On Order: 1,594 Expected 2026/11/20 7,500 Expected 2026/12/03 5,000 Expected 2026/12/16 Factory Lead Time: 8 Weeks	Cut Tape $4.77 $3.63 $3.34 $3.04 View Reel $2.61 $2.87 $2.85 $2.76 $2.61 MouseReel Available	Min.: 1 Mult.: 1 : 2,500	Programmable Clock Generator	8 Output	200 MHz	27 MHz	QFN-20	60 %	70 ps	3.6 V	2.25 V	Si5351	27 mA	- 40 C	+ 85 C	SMD/SMT	Reel, Cut Tape, MouseReel
Clock Generators & Support Products I2C configurable clock generator SI5351A-B-GM1 Skyworks Solutions, Inc. 1: $2.42 1,750On Order	Mfr. Part No. SI5351A-B-GM1 Mouser Part No 634-SI5351A-B-GM1	Skyworks Solutions, Inc.	Clock Generators & Support Products I2C configurable clock generator Learn More about Skyworks Solutions, Inc. skyworks si5351 clock generators	Datasheet	1,750On Order On Order Ship Dates Mfr. No: SI5351A-B-GM1 Stock: 0 On Order: 550 Expected 2026/12/21 1,200 Expected 2026/12/25 Factory Lead Time: 12 Weeks	$2.42 $1.79 $1.63 $1.47 View $1.37 $1.33 $1.30 $1.28 $1.26	Min.: 1 Mult.: 1	Programmable Clock Generator	4 Output	200 MHz	27 MHz	QFN-16	60 %	70 ps	3.6 V	2.25 V	Si5351	24 mA	- 40 C	+ 85 C	SMD/SMT	Cut Tape
Clock Generators & Support Products I2C configurable clock generator SI5351A-B-GT Skyworks Solutions, Inc. 1: $2.33 8,566On Order	Mfr. Part No. SI5351A-B-GT Mouser Part No 634-SI5351A-B-GT	Skyworks Solutions, Inc.	Clock Generators & Support Products I2C configurable clock generator Learn More about Skyworks Solutions, Inc. skyworks si5351 clock generators	Datasheet	8,566On Order On Order Ship Dates Mfr. No: SI5351A-B-GT Stock: 0 On Order: 3,531 Expected 2026/12/08 5,035 Expected 2027/01/14 Factory Lead Time: 8 Weeks	$2.33 $1.72 $1.41 $1.34 View $1.31 $1.26 $1.23 $1.17 $1.16	Min.: 1 Mult.: 1	Programmable Clock Generator	3 Output	200 MHz	27 MHz	MSOP-10	60 %	70 ps	3.6 V	2.25 V	Si5351	22 mA	- 40 C	+ 85 C	SMD/SMT	Tube
Clock Generators & Support Products I2C configurable clock generator SI5351A-B07321-GT Skyworks Solutions, Inc. 1: $2.20 1,501On Order	Mfr. Part No. SI5351A-B07321-GT Mouser Part No 634-SI5351A-B07321GT	Skyworks Solutions, Inc.	Clock Generators & Support Products I2C configurable clock generator Learn More about Skyworks Solutions, Inc. skyworks si5351 clock generators	Datasheet	1,501On Order On Order Ship Dates Mfr. No: SI5351A-B07321-GT Stock: 0 On Order: 836 Expected 2026/11/16 665 Expected 2026/12/03 Factory Lead Time: 8 Weeks	$2.20 $1.62 $1.45 $1.22 View $1.19 $1.17	Min.: 1 Mult.: 1	Programmable Clock Generator	3 Output	200 MHz	27 MHz	MSOP-10	60 %	70 ps	3.6 V	2.25 V	Si5351	22 mA	- 40 C	+ 85 C	SMD/SMT	Tube
Clock Generators & Support Products I2C configurable clock generator SI5351B-B-GM1 Skyworks Solutions, Inc. 1: $2.61 7,295On Order	Mfr. Part No. SI5351B-B-GM1 Mouser Part No 634-SI5351B-B-GM1	Skyworks Solutions, Inc.	Clock Generators & Support Products I2C configurable clock generator Learn More about Skyworks Solutions, Inc. skyworks si5351 clock generators	Datasheet	7,295On Order On Order Ship Dates Mfr. No: SI5351B-B-GM1 Stock: 0 On Order: 2,095 Expected 2027/01/25 1,600 Expected 2027/01/26 3,600 Expected 2027/02/02 Factory Lead Time: 12 Weeks	$2.61 $1.94 $1.77 $1.47 View $1.45 $1.42 $1.41 $1.38	Min.: 1 Mult.: 1	Programmable Clock Generator	8 Output	200 MHz	27 MHz	QFN-16	60 %	70 ps	3.6 V	2.25 V	Si5351	27 mA	- 40 C	+ 85 C	SMD/SMT	Cut Tape
Clock Generators & Support Products I2C configurable clock generator SI5351B-B-GM1R Skyworks Solutions, Inc. 1: $2.61 9,985On Order	Mfr. Part No. SI5351B-B-GM1R Mouser Part No 634-SI5351B-B-GM1R	Skyworks Solutions, Inc.	Clock Generators & Support Products I2C configurable clock generator Learn More about Skyworks Solutions, Inc. skyworks si5351 clock generators	Datasheet	9,985On Order	Cut Tape $2.61 $1.94 $1.77 $1.59 Reel $1.40 View $1.50 $1.45 $1.41 $1.38	Min.: 1 Mult.: 1 : 2,500	Programmable Clock Generator	4 Output	200 MHz	27 MHz	QFN-16	60 %	70 ps	3.6 V	2.25 V	Si5351	27 mA	- 40 C	+ 85 C	SMD/SMT	Reel, Cut Tape
Clock Generators & Support Products I2C configurable clock generator SI5351C-B-GM1 Skyworks Solutions, Inc. 1: $2.85 8,026On Order	Mfr. Part No. SI5351C-B-GM1 Mouser Part No 634-SI5351C-B-GM1	Skyworks Solutions, Inc.	Clock Generators & Support Products I2C configurable clock generator Learn More about Skyworks Solutions, Inc. skyworks si5351 clock generators	Datasheet	8,026On Order On Order Ship Dates Mfr. No: SI5351C-B-GM1 Stock: 0 On Order: 1,226 Expected 2027/02/03 6,800 Expected 2027/02/10 Factory Lead Time: 12 Weeks	$2.85 $2.12 $1.94 $1.67 View $1.59 $1.56 $1.54 $1.51 $1.50	Min.: 1 Mult.: 1	Programmable Clock Generator	4 Output	200 MHz	27 MHz	QFN-16	60 %	70 ps	3.6 V	2.25 V	Si5351	27 mA	- 40 C	+ 85 C	SMD/SMT	Cut Tape
Clock Generators & Support Products I2C configurable clock generator SI5351C-B-GM1R Skyworks Solutions, Inc. 1: $2.85 7,500On Order	Mfr. Part No. SI5351C-B-GM1R Mouser Part No 634-SI5351C-B-GM1R	Skyworks Solutions, Inc.	Clock Generators & Support Products I2C configurable clock generator Learn More about Skyworks Solutions, Inc. skyworks si5351 clock generators	Datasheet	7,500On Order On Order Ship Dates Mfr. No: SI5351C-B-GM1R Stock: 0 On Order: 5,000 Expected 2027/01/21 2,500 Expected 2027/01/27 Factory Lead Time: 12 Weeks	Cut Tape $2.85 $2.12 $1.94 $1.74 Reel $1.48 View $1.65 $1.60 $1.54 $1.45	Min.: 1 Mult.: 1 : 2,500	Programmable Clock Generator	4 Output	200 MHz	27 MHz	QFN-16	60 %	70 ps	3.6 V	2.25 V	Si5351	27 mA	- 40 C	+ 85 C	SMD/SMT	Reel, Cut Tape
Clock Generators & Support Products I2C configurable clock generator SI5351A-B-GM1R Skyworks Solutions, Inc. 2,500: $1.28 Non-Stocked Lead-Time 12 Weeks	Mfr. Part No. SI5351A-B-GM1R Mouser Part No 634-SI5351A-B-GM1R	Skyworks Solutions, Inc.	Clock Generators & Support Products I2C configurable clock generator Learn More about Skyworks Solutions, Inc. skyworks si5351 clock generators	Datasheet	Non-Stocked Lead-Time 12 Weeks	Reel $1.28 $1.26	Min.: 2,500 Mult.: 2,500 : 2,500	Programmable Clock Generator	8 Output	200 MHz	27 MHz	QFN-16	60 %	70 ps	3.6 V	2.25 V	Si5351	27 mA	- 40 C	+ 85 C	SMD/SMT	Reel
Clock Generators & Support Products I2C Prog, Any Frequency, Any Output, Xtal Ref, 3-Output LVCMOS Clock Gen SI5351A-B07321-GTR Skyworks Solutions, Inc. 2,500: $1.15 Non-Stocked Lead-Time 8 Weeks	Mfr. Part No. SI5351A-B07321-GTR Mouser Part No 634-SI5351AB07321GTR	Skyworks Solutions, Inc.	Clock Generators & Support Products I2C Prog, Any Frequency, Any Output, Xtal Ref, 3-Output LVCMOS Clock Gen Learn More about Skyworks Solutions, Inc. skyworks si5351 clock generators	Datasheet	Non-Stocked Lead-Time 8 Weeks	Reel $1.15 $1.13	Min.: 2,500 Mult.: 2,500 : 2,500	Programmable Clock Generator	3 Output	200 MHz	27 MHz	MSOP-10	60 %	70 ps	3.6 V	2.25 V	Si5351	22 mA	- 40 C	+ 85 C	SMD/SMT	Reel
Clock Generators & Support Products I2C Prog, Any Frequency, Any Output, Xtal Ref, 3-Output LVCMOS Clock Gen Skyworks Solutions, Inc. SI5351A-B15671-GT SI5351A-B15671-GT Skyworks Solutions, Inc. 1: $2.20 Non-Stocked Lead-Time 8 Weeks	Mfr. Part No. SI5351A-B15671-GT Mouser Part No 873-SI5351A-B15671GT	Skyworks Solutions, Inc.	Clock Generators & Support Products I2C Prog, Any Frequency, Any Output, Xtal Ref, 3-Output LVCMOS Clock Gen	Datasheet	Non-Stocked Lead-Time 8 Weeks	$2.20 $1.62 $1.28 $1.27 View $1.26 $1.22 $1.20 $1.19 $1.16	Min.: 1 Mult.: 1										Si5351					Tube
Clock Generators & Support Products I2C Prog, Any Frequency, Any Output, Xtal Ref, 3-Output LVCMOS Clock Gen Skyworks Solutions, Inc. SI5351A-B15671-GTR SI5351A-B15671-GTR Skyworks Solutions, Inc. 2,500: $1.15 Non-Stocked Lead-Time 8 Weeks	Mfr. Part No. SI5351A-B15671-GTR Mouser Part No 873-SI5351AB15671GTR	Skyworks Solutions, Inc.	Clock Generators & Support Products I2C Prog, Any Frequency, Any Output, Xtal Ref, 3-Output LVCMOS Clock Gen	Datasheet	Non-Stocked Lead-Time 8 Weeks	Reel $1.15 $1.13	Min.: 2,500 Mult.: 2,500 : 2,500										Si5351					Reel

Si5351 Programmable Clock Generators

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Si5351 Programmable Clock Generators

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