Microchip SY58019U Bedienungsanleitung

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1

Precision Edge

®

SY58019U

Micrel, Inc.

M9999-082707

[email protected] or (408) 955-1690

DESCRIPTION

■Guaranteed AC performance over temperature and

voltage:

•DC to10.7Gbps data throughput

•DC to>7GHz f

MAX

(clock)

•<240ps propagation delay

•<70ps t

r

/t

f

times

■Ultra-low crosstalk-induced jitter: 0.7ps

RMS

■Ultra-low jitter design:

•<1ps

RMS

random jitter

•<10ps

PP

deterministic jitter

•<10ps

PP

total jitter (clock)

■Unique input termination and V

T

pin accepts DC-

coupled and AC-coupled inputs (CML, PECL, LVDS)

■400mV (100k) LVPECL output swing

■Power supply 2.5V ±5% or 3.3V ±10%

■–40°C to +85°C temperature range

■Available in 16-pin (3mm

××

××

× 3mm) MLF

®

package

FEATURES

ULTRA-PRECISION

DIFFERENTIAL 400mV LVPECL 2:1

MUX with INTERNAL TERMINATION

Precision Edge

®

SY58019U

APPLICATIONS

■Redundant clock distribution

■OC-3 to OC-192 SONET/SDH clock/data distribution

■Loopback

■Fibre Channel distribution

Rev.: DAmendment: /0

Issue Date:August 2007

The SY58019U is a 2.5V/3.3V precision, high-speed, 2:1

differential MUX capable of handling clocks up to 7GHz

and data up to 10.7Gbps.

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

termination architecture that allows customers to interface

to any differential signal (AC- or DC-coupled) as small as

100mV without any level shifting or termination resistor

networks in the signal path. The outputs are 400mV, 100k

compatible, LVPECL, with extremely fast rise/fall times

guaranteed to be less than 70ps.

The SY58019U operates from a 2.5V ±5% supply or a

3.3V ±10% supply and is guaranteed over the full industrial

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

require CML outputs, consider the SY58017U or for 800mV

LVPECL outputs the SY58018U. The SY58019U is part of

Micrel’s high-speed, Precision Edge

®

product line.

All support documentation can be found on Micrel’s web

site at www.micrel.com.

FUNCTIONAL BLOCK DIAGRAM

TYPICAL PERFORMANCE

Precision Edge is a registered trademark of Micrel, Inc.

AnyGate is a registered trademark of Micrel, Inc.

Micro

LeadFrame and MLF are registered trademarks of Amkor Technology, Inc.

Precision Edge

®

Q0

/Q0

IN0

/IN0

V

T0

50Ω

50Ω

IN1

/IN1

V

T1

50Ω

50Ω

0

1

MUX

SEL

(TTL/CMOS)

S



TIME(20ps/div.)

(2

23

Ð1PRBS)

OutputSwing

(100mV/div.)

Produktspezifikationen