SY58031UMG-TR datasheet, PDF - EEWORLD Datasheet

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SY58031UMG-TR: DescriptionClock Fanout Buffer 8-OUT 1-IN 1:8 32-Pin QFN EP T/R; File Size672KB，12 Pages; ManufacturerMicrochip; Websitehttps://www.microchip.com; Environmental Compliance

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SY58031UMG-TR Overview

Clock Fanout Buffer 8-OUT 1-IN 1:8 32-Pin QFN EP T/R

SY58031UMG-TR Parametric

Parameter Name	Attribute value
EU restricts the use of certain hazardous substances	Compliant
ECCN (US)	EAR99
Part Status	Active
HTS	8542.39.00.01
Type	Fanout Buffer
Fanout	1:8
Number of Outputs per Chip	8
Maximum Propagation Delay Time @ Maximum CL (ns)	0.27@2.375V to 3.63V
Absolute Propagation Delay Time (ns)	0.27
Input Logic Level	CML\|LVDS\|LVPECL
Output Logic Level	CML
Minimum Operating Supply Voltage (V)	2.375
Typical Operating Supply Voltage (V)	2.5\|3.3
Maximum Operating Supply Voltage (V)	3.6
Minimum Operating Temperature (°C)	-40
Maximum Operating Temperature (°C)	85
Supplier Temperature Grade	Industrial
Packaging	Tape and Reel
Pin Count	32
Standard Package Name	QFN
Supplier Package	QFN EP
Mounting	Surface Mount
Package Height	0.85(Max)
Package Length	5
Package Width	5
PCB changed	32
Lead Shape	No Lead

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SY58031U

Ultra-Precision 1:8 CML Fanout Buffer

with Internal I/O Termination

General Description

The SY58031U is a 2.5V/3.3V precision, high-speed, fully

differential CML 1:8 fanout buffer. The SY58031U is

optimized to provide eight identical output copies with less

than 20ps of skew and only 75fs

RMS

phase jitter. It can

process clock signals as fast as 6GHz.

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

termination architecture that allows the SY58031U to

directly interface to CML, LVPECL, and LVDS differential

signals (AC- or DC-coupled) without any level-shifting or

termination resistor networks in the signal path. The result

is a clean, stub-free, low-jitter interface solution. The CML

outputs feature 400mV typical swing into 50Ω loads and

provide an extremely fast rise/fall time guaranteed to be

less than 60ps.

The SY58031U operates from a 2.5V ±5% supply or 3.3V

±10% supply and is guaranteed over the full industrial

temperature range (–40°C to +85°C). For applications that

require high-speed 1:8 LVPECL fanout buffers, consider

the SY58032U and SY58033U. The SY58031U is part of

Micrel’s high-speed, Precision Edge product line.

Datasheets and support documentation are available on

Micrel’s web site at:

www.micrel.com.

Precision Edge

Features

•

Precision 1:8, 400mV CML fanout buffer

•

Guaranteed AC performance over temperature and

voltage:

−

Clock frequency range: DC to >6GHz

−

<60ps t

time

−

<270ps t

−

<20ps output-to-output skew

•

Low-jitter performance:

−

75fs

RMS

phase jitter (typ.)

•

50Ω

source-terminated CML outputs

•

400mV CML output swing into

50Ω

load

•

Fully differential I/O

•

Accepts an input signal as low as 100mV

•

Unique, patent-pending input termination and VT pin

accepts DC-coupled and AC-couple differential inputs

(LVPECL, LVDS, and CML)

•

Power supply 2.5V ±5% or 3.3V ±10%

•

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

•

Available in 32-pin, 5mm × 5mm QFN package

Block Diagram

/Q0

/Q1

/Q2

50Ω

/IN

REF-AC

50Ω

Applications

•

All SONET and GigE clock distribution

All Fibre Channel clock and data distribution

Network routing engine timing distribution

High-end, low-skew multiprocessor synchronous clock

distribution

/Q3

/Q4

/Q5

/Q6

/Q7

United States Patent No. RE44,134

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

October 1, 2013

Revision 5.0

hbwhelp@micrel.com

or (408) 955-1690

SY58031UMG-TR Related Products

	SY58031UMG-TR	SY58031UMG
Description	Clock Fanout Buffer 8-OUT 1-IN 1:8 32-Pin QFN EP T/R	Clock Fanout Buffer 8-OUT 1-IN 1:8 32-Pin QFN EP Tube
EU restricts the use of certain hazardous substances	Compliant	Compliant
ECCN (US)	EAR99	EAR99
Part Status	Active	Active
HTS	8542.39.00.01	8542.39.00.01
Type	Fanout Buffer	Fanout Buffer
Fanout	1:8	1:8
Number of Outputs per Chip	8	8
Maximum Propagation Delay Time @ Maximum CL (ns)	0.27@2.375V to 3.63V	0.27@2.375V to 3.63V
Absolute Propagation Delay Time (ns)	0.27	0.27
Input Logic Level	CML\|LVDS\|LVPECL	LVPECL\|LVDS\|CML
Output Logic Level	CML	CML
Minimum Operating Supply Voltage (V)	2.375	2.375
Typical Operating Supply Voltage (V)	2.5\|3.3	3.3\|2.5
Maximum Operating Supply Voltage (V)	3.6	3.6
Minimum Operating Temperature (°C)	-40	-40
Maximum Operating Temperature (°C)	85	85
Supplier Temperature Grade	Industrial	Industrial
Packaging	Tape and Reel	Tube
Pin Count	32	32
Standard Package Name	QFN	QFN
Supplier Package	QFN EP	QFN EP
Mounting	Surface Mount	Surface Mount
Package Height	0.85(Max)	0.85(Max)
Package Length	5	5
Package Width	5	5
PCB changed	32	32
Lead Shape	No Lead	No Lead

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