Microchip SY58024U Handleiding

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1

Precision Edge

®

SY58024U

Micrel, Inc.

M9999-082807

[email protected] or (408) 955-1690

DESCRIPTION

■Guaranteed AC performance over temperature and

voltage:

•>10.7Gbps data throughput

•<60ps t

r

/t

f

times

•<350ps t

pd

(IN-to-Q)

•<20ps skew

■Low jitter:

•<10ps

PP

total jitter (clock)

•<1ps

RMS

random jitter (data)

•<10ps

PP

deterministic jitter (data)

■Crosstalk induced jitter:<0.7ps

RMS

■Unique, patent-pending input isolation minimizes

adjacent channel crosstalk

■Accepts an input signal as low as 100mV

■Unique, patent-pending input termination and VT pin

accepts DC-coupled and AC-coupled differential

inputs: LVPECL, LVDS, and CML

■Fully differential inputs/outputs

■50Ω source terminated CML outputs

■Power supply 2.5V ±5% and 3.3V ±10%

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

■Available in 32-pin (5mm

××

××

× 5mm) MLF

®

package

FEATURES

Rev.: IAmendment: /0

Issue Date:August 2007

The SY58024U is a 2.5V/3.3V precision, high-speed, fully

differential dual CML crosspoint switch. The SY58024U is

optimized to provide two identical output copies with less

than 20ps of skew and ultra-low jitter. The SY58024U can

process clock signals as fast as 6GHz or data patterns up

to 10.7Gbps.

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

termination architecture that allows the SY58024U to directly

interface to LVPECL, LVDS, and CML differential signal

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

resistor networks in the signal path. The CML outputs

features a 400mV typical swing into 50Ω loads, and provides

an extremely fast rise/fall time guaranteed to be less than

60ps.

The SY58024U 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 single channel CML switches, consider

the SY58023U. The SY58024U is part of Micrel’s high-

speed, Precision Edge

®

product line.

Datasheets and support documentation can be found on

Micrel’s website at: www.micrel.com.

Precision Edge is a registered trademark of Micrel, Inc.

MLF and

Micro

LeadFrame are registered trademarks of Amkor Technology.

Precision Edge

®

APPLICATIONS

■Gigabit Ethernet data/clock routing

■SONET data/clocking routing

■Switch fabric clock routing

■Redundant switchover

■Backplane redundancy

Precision Edge

®

SY58024U

ULTRA-LOW JITTER DUAL 2

××

××

×2

CROSSPOINT SWITCH w/ CML OUTPUTS

AND INTERNAL I/O TERMINATION

Product specificaties