SY56020XRMG Micrel Inc, SY56020XRMG Datasheet

SY56020XRMG

Manufacturer Part Number

SY56020XRMG

Description

IC CLOCK FANOUT BUFFER 1:4 16MLF

Manufacturer

Micrel Inc

Series

Precision Edge®r

Type

Fanout Buffer (Distribution)r

Datasheet

1.SY56020XRMG.pdf (10 pages)

Specifications of SY56020XRMG

Number Of Circuits

Ratio - Input:output

1:4

Differential - Input:output

Yes/Yes

Input

CML, LVDS, LVPECL

Output

CML

Frequency - Max

4.5GHz

Voltage - Supply

2.375 V ~ 2.625 V

Operating Temperature

-40°C ~ 85°C

Mounting Type

Surface Mount

Package / Case

16-MLF®, QFN

Frequency-max

4.5GHz

Lead Free Status / RoHS Status

Lead free / RoHS Compliant

Other names

576-3698-5
SY56020XRMG

Available stocks

Company

Part Number

Manufacturer

Quantity

Price

Company:

Bonase Electronics (HK) Co., Limited

Part Number:

SY56020XRMG

Manufacturer:

Maxim

Quantity:

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Download datasheet (290Kb)

February 2010

General Description

The SY56020XR is a fully differential, low voltage

1.2V/1.8V/2.5V CML 1:4 Fanout Buffer with input

equalization.

signals as fast as 4.5GHz or data patterns up to

6.4Gbps.

The differential input includes Micrel’s unique 3-pin input

termination architecture that interfaces to DC-coupled

2.5V/3.3V LVPECL, 1.2V/1.8V/2.5V CML or LVDS

differential signals. For AC-coupled input applications,

an internal voltage reference is provided for input bias.

Input voltages as small as 200mV (400mV

before the 9, 18 or 27-inch FR4 transmission line. The

outputs are CML.

The SY56020XR operates from a 2.5V ±5% core supply

and a 1.2V, 1.8V or 2.5V ±5% output supply and is

guaranteed over the full industrial temperature range

(–40°C to +85°C). The SY56020XR is part of Micrel’s

high-speed, Precision Edge

Data sheets and support documentation can be found

on Micrel’s web site at: www.micrel.com.

Functional Block Diagram

Precision Edge is a registered trademark of Micrel, Inc.

Micrel Inc. • 2180 Fortune Drive • San Jose, CA 95131 • USA • tel +1 (408) 944-0800 • fax + 1 (408) 474-1000 • http://www.micrel.com

The SY56020XR can process clock

product line.

) are applied

Low Voltage 1.2V/1.8V/2.5V CML 1:4 Fanout

Features

• 1.2V/1.8V/2.5V CML 1:4 Fanout Bufer with EQ.

• Guaranteed AC performance over temperature and

• Ultra-low jitter design

• High-speed CML outputs

• 2.5V ±5% , 1.8/1.2V ±5% power supply operation

• Industrial temperature range: –40°C to +85°C

• Available in 16-pin (3mm x 3mm) QFN package

Applications

• Data Distribution

• SONET clock and data distribution

• Fibre Channel clock and data distribution

• Gigabit Ethernet clock and data distribution

– <15ps within-device skew

– <0.8ps

voltage:

– DC-to > 6.4Gbps throughput

– <300ps propagation delay (IN-to-Q)

– <10ps

Buffer 6.4Gbps with Equalization

RMS

deterministic jitter

random jitter

SY56020XR

hbwhelp@micrel.com

or (408) 955-1690

M9999-020210-A

Precision Edge

Related parts for SY56020XRMG

SY56020XRMG Summary of contents

Page 1

... Functional Block Diagram Precision Edge is a registered trademark of Micrel, Inc. Micrel Inc. • 2180 Fortune Drive • San Jose, CA 95131 • USA • tel +1 (408) 944-0800 • fax + 1 (408) 474-1000 • http://www.micrel.com February 2010 Low Voltage 1.2V/1.8V/2.5V CML 1:4 Fanout Buffer 6 ...

Page 2

... Micrel, Inc. (1) Ordering Information Part Number Package SY56020XRMG QFN-16 (2) SY56020XRMGTR QFN-16 Notes: 1. Contact factory for die availability. Dice are guaranteed Tape and Reel. Pin Configuration February 2010 Operating Package Marking Type Range Industrial 20XR with Pb-Free bar-line indicator Industrial 20XR with Pb-Free bar-line indicator = 25° ...

Page 3

Micrel, Inc. Pin Description Pin Number Pin Name 1,4 IN, / VCC 8 VCCO 5,16 GND, Exposed pad 15,14 Q0, /Q0 12,11 Q1, /Q1 10,9 Q2, /Q2 7,6 Q3, /Q3 Truth Table EQ Input LOW ...

Page 4

Micrel, Inc. Absolute Maximum Ratings Supply Voltage (V ) ............................... –0.5V to +3.0V CC Supply Voltage (V ) ............................. –0.5V to +3.0V CCO V -V ................................................................ <1.8V CC CCO V -V ............................................................... <0.5 V CCO CC Input Voltage (V ) ...

Page 5

Micrel, Inc. CML Outputs DC Electrical Characteristics = 50Ω 1.14V to 1.26V R CCO 1.7V to 1.9V, 2.375V to 2.625V, R CCO V = 2.375V to 2.625V –40°C to +85°C, unless ...

Page 6

Micrel, Inc. Timing Diagrams Input and Output Stage Figure 2a. Simplified Differential Input Buffer Single-Ended and Differential Swings Figure 3a. Single-Ended Swing February 2010 Figure 1. Propagation Delay Figure 2b. Simplified CML Output Buffer Figure 3b. Differential Swing 6 SY56020XR ...

Page 7

Micrel, Inc. Input Interface Applications Figure 4a. CML Interface 100 Ω Differential (DC-Coupled, 1.8V, 2.5V) Figure 4d. LVPECL Interface (AC-Coupled) February 2010 Figure 4b. CML Interface 50 Ω to Vcc (DC-Coupled, 1.2V,1.8V,2.5V) Figure 4e. LVPECL Interface (DC-Coupled 2.5V and 3.3V) ...

Page 8

Micrel, Inc. CML Output Termination Figure 5a. 1.2V, 1.8V, 2.5V CML DC-Coupled Termination Figure 5c. CML AC-Coupled Termination. V 1.8V, 2.5V only. CCO February 2010 Figure 5b. 1.8V, 2.5V CML DC-Coupled Termination Figure 5d. CML AC-Coupled Termination. V CCO 8 ...

Page 9

Micrel, Inc. Functional Description CML Output Termination with Vcco 1.2V For VCCO of 1.2V, Figure 5a, terminate the output with 50 Ohms to 1.2V, not 100 ohms differentially across the outputs coupling is used, Figure 5d, terminate into ...

Page 10

Micrel, Inc. Package Information MICREL, INC. 2180 FORTUNE DRIVE SAN JOSE, CA 95131 USA TEL +1 (408) 944-0800 FAX +1 (408) 474-1000 WEB http://www.micrel.com The information furnished by Micrel in this data sheet is believed to be accurate and reliable. ...

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