SY58022U datasheet, PDF - EEWORLD Datasheet

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SY58022U: Description5.5 GHz 1:4 FANOUT BUFFER/TRANSLATOR w/400mV LVPECL OUTPUTS AND INTERNAL INPUT TERMINATOR; File Size519KB，9 Pages; ManufacturerMicrochip; Websitehttps://www.microchip.com

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SY58022U Overview

5.5 GHz 1:4 FANOUT BUFFER/TRANSLATOR w/400mV LVPECL OUTPUTS AND INTERNAL INPUT TERMINATOR

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Micrel, Inc.

Precision Edge

5.5GHz 1:4

FANOUT

BUFFER/

Precision Edge

SY58022U

TRANSLATOR w/400mV LVPECL

SY58022U

OUTPUTS AND INTERNAL INPUT TERMINATION

FEATURES

■

Precision 1:4, 400mV LVPECL fanout buffer

■

Guaranteed AC performance over temperature and

voltage:

•

> 5.5GHz f

MAX

clock

•

< 80ps t

times

•

< 250ps (V

≥ 300mV) t

•

< 15ps max. skew

■

Low jitter performance:

•

60fs RMS phase jitter

■

Accepts an input signal as low as 100mV

■

Unique input termination and V

pin accepts

DC- and AC-coupled differential inputs: LVPECL,

LVDS and CML

■

400mV LVPECL compatible outputs

■

Power supply 2.5V ±5% and 3.3V ±10%

■

–40°C to +85°C temperature range

■

Available

in 16-pin (3mm

3mm) QFN

package

Precision Edge

DESCRIPTION

The SY58022U is a 2.5V/3.3V precision, high-speed, fully

differential 1:4 LVPECL fanout buffer. Optimized to provide

four identical output copies with less than 15ps of skew and

less than 10ps

total jitter, the SY58022U can process clock

signals as fast as 5.5GHz.

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

termination architecture interfaces to differential LVPECL,

CML, and LVDS signals (AC- or DC-coupled) as small as

100mV without any level-shifting or termination resistor

networks in the signal path. For AC-coupled input interface

applications, an on-board output reference voltage (V

REF-AC

) is

provided to bias the V

pin. The outputs are 400mV LVPECL

compatible, with extremely fast rise/fall times guaranteed to

be less than 80ps.

The SY58022U 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 greater output swing or CML compatible outputs,

consider the SY58021U 1:4 fanout buffer with LVPECL

outputs, or the SY58020U 1:4 fanout buffer with 400mV

CML outputs. The SY58022U is part of Micrel’s high-speed,

Precision Edge

product line. All data sheets and support

documentation can be found on Micrel’s web site at: www.

micrel.com.

APPLICATIONS

■

All SONET and All GigE clock distribution

Fibre Channel clock and data distribution

Backplane distribution

Data distribution: OC-48, OC-48+FEC, XAUI

High-end, low-skew, multiprocessor synchronous

clock distribution

FUNCTIONAL

BLOCK DIAGRAM

50Ω

/IN

REF-AC

50Ω

TYPICAL PERFORMANCE

/Q0

/Q1

/Q2

/Q3

United States Patent No. RE44,134

Precison Edge is a registered trademark of Micrel, Inc.

Rev.: E

Amendment: /1

Issue Date: June 2009

SY58022U Related Products

	SY58022U	SY58022UMI	SY58022UMITR	SY58022UMI-TR
Description	5.5 GHz 1:4 FANOUT BUFFER/TRANSLATOR w/400mV LVPECL OUTPUTS AND INTERNAL INPUT TERMINATOR	5.5 GHz 1:4 FANOUT BUFFER/TRANSLATOR w/400mV LVPECL OUTPUTS AND INTERNAL INPUT TERMINATOR	5.5 GHz 1:4 FANOUT BUFFER/TRANSLATOR w/400mV LVPECL OUTPUTS AND INTERNAL INPUT TERMINATOR	IC CLK BUFFER 1:4 5.5GHZ 16MLF

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