SI5350C-B04576-GMR datasheet, PDF

Datasheet> All Categories > semiconductor> Analog mixed-signal IC> SI5350C-B04576-GMR

SI5350C-B04576-GMR: DescriptionClock Generators & Support Products Any Frequency, Any Output, Ref Clock Input, 8-Output LVCMOS Clock Gen; Categorysemiconductor Analog mixed-signal IC; File Size1MB，31 Pages; ManufacturerSilicon Laboratories

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SI5350C-B04576-GMR Overview

Clock Generators & Support Products Any Frequency, Any Output, Ref Clock Input, 8-Output LVCMOS Clock Gen

SI5350C-B04576-GMR Parametric

Parameter Name	Attribute value
Product Attribute	Attribute Value
Manufacturer	Silicon Laboratories
Product Category	Clock Generators & Support Products

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S i 5 3 5 0 C- B

ACTORY

- P

ROGRAMMABLE

- F

REQUENCY

CMOS

L O C K

ENERATOR

+ PLL

Features



www.silabs.com/custom-timing

Generates up to 8 non-integer-related

frequencies from 2.5 kHz to 200 MHz

Exact frequency synthesis at each

output (0 ppm error)

Glitchless frequency changes

Low output period jitter: < 70 ps pp, typ

Configurable Spread Spectrum

selectable at each output

User-configurable control pins:



Output Enable (OEB_0/1/2)



Power Down (PDN)



Frequency Select (FS_0/1)



Spread Spectrum Enable (SSEN)



Loss of Lock Status (LOLB)

Supports static phase offset

Rise/fall time control



Operates from a low-cost, fixed

frequency crystal: 25 or 27 MHz

Separate voltage supply pins provide

level translation:



Core VDD: 1.8V, 2.5 V or 3.3 V



Output VDDO: 1.8 V, 2.5 V, or 3.3 V

Excellent PSRR eliminates external

power supply filtering

Very low power consumption (25 mA

core, typ)

Available in 2 packages types:



10-MSOP: 3 outputs



20-QFN (4x4 mm): 8 outputs

PCIE Gen 1 compliant

Supports HCSL compatible swing

10-MSOP

20-QFN

Applications



Ordering Information:

See Page 18



HDTV, DVD/Blu-ray, set-top box

Audio/video equipment, gaming

Printers, scanners, projectors

Handheld instrumentation

Residential gateways

Networking/communication

Servers, storage

XO replacement

Description

The Si5350C generates free-running and/or synchronized clocks selectable on each

of its outputs. A dual PLL + high resolution MultiSynth

fractional divider

architecture enables this user-definable custom timing device to generate any of the

specified output frequencies at any of its outputs. This allows the Si5350C to replace

a combination of crystals, crystal oscillators, and synchronized clocks (PLL). Custom

pin-controlled Si5350C devices can be requested using the ClockBuilder web-based

part number utility (www.silabs.com/ClockBuilder).

Functional Block Diagram

Rev. 1.0 4/15

Si5350C-B

Si5350C-B

ABLE O F

ONTENTS

Section

Page

1. Electrical Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4

2. Typical Application . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .8

2.1. Si5350C Replaces Multiple Clocks and XOs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .8

2.2. Applying a Reference Clock at XTAL Input . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .8

2.3. HCSL Compatible Outputs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .9

3. Functional Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10

4. Configuring the Si5350C . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .11

4.1. Crystal Inputs (XA, XB) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11

4.2. External Clock Input Pin (CLKIN) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11

4.3. Output Clocks (CLK0–CLK7) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11

4.4. Programmable Control Pins (P0–P3) Options . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12

4.5. Design Considerations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14

5. Pin Descriptions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16

5.1. 20-pin QFN . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16

5.2. 10-pin MSOP . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17

6. Ordering Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18

7. Package Outline . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19

7.1. 20-Pin QFN . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .19

7.2. 10-Pin MSOP . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21

8. Land Pattern: 20-Pin QFN . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22

9. 10-pin MSOP Package Outline . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .24

10. Land Pattern: 10-Pin MSOP . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26

11. Top Marking . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .28

11.1. 20-Pin QFN Top Marking . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28

11.2. Top Marking Explanation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28

11.3. 10-Pin MSOP Top Marking . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29

11.4. Top Marking Explanation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29

Document Change List . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .30

Contact Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .31

Rev. 1.0

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