sy58037u Micrel Semiconductor, sy58037u Datasheet

sy58037u

Manufacturer Part Number

sy58037u

Description

Sy58037u Ultra Precision 8 1 Mux With Internal Termination And 1 2 Cml Fanout Buffer

Manufacturer

Micrel Semiconductor

Datasheet

1.SY58037U.pdf (11 pages)

Current page: 1 of 11
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Micrel, IIIIInc.

Precision Edge is a registered trademark of Micrel, Inc.

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

M9999-010708

hbwhelp@micrel.com or (408) 955-1690

FEATURES

APPLICATIONS

Selects between 1 of 8 inputs, and provides two

precision, low skew CML output copies

Guaranteed AC performance over temperature and

voltage:

• DC to 5Gbps throughput

• <450ps propagation delay IN-to-Q (V

• <70ps t

• <15ps skew (output-to-output)

Unique, patent-pending, channel-to-channel

isolation design provides superior crosstalk

performance

Ultra-low jitter design:

• <1ps

• <10ps

• <0.7ps

Unique, patent-pending, input termination and VT

pin accepts DC- and AC-coupled inputs (CML, PECL,

LVDS)

400mV CML output swing

50 source terminated outputs minimize round-trip

reflections

Power supply 2.5V 5% or 3.3V 10%

–40 C to +85 C temperature range

Available in 44-pin (7mm x 7mm) MLF

Data communication systems

All SONET/SDH data/clock applications

All Fibre Channel applications

All Gigabit Ethernet applications

RMS

/ t

deterministic jitter

total jitter (clock)

random jitter

crosstalk-induced jitter

time

package

ULTRA PRECISION 8:1 MUX

WITH INTERNAL TERMINATION

AND 1:2 CML FANOUT BUFFER

300mV)

multiplexer with a 1:2 differential fanout buffer optimized for

precision telecom and enterprise server distribution

applications. The SY58037U distributes clock frequencies

from DC to 4GHz and data rates to 5Gpbs guaranteed over

temperature and voltage.

3-pin input termination architecture that directly interfaces

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

100mV (200mVpp) without any level shifting or termination

resistor networks in the signal path. The outputs are 50

source-terminated CML with extremely fast rise/fall time

guaranteed to be less than 70ps.

that significantly improves channel-to-channel crosstalk

performance.

supply and is guaranteed over the full industrial temperature

range of –40 C to +85 C. The SY58037U is part of Micrel’s

high-speed, Precision Edge

Micrel’s web site at www.micrel.com.

DESCRIPTION

The SY58037U is a low jitter, low skew, high-speed 8:1

The SY58037U differential input includes Micrel’s unique,

The SY58037U features a patent-pending isolation design

The SY58037U operates from a 2.5V 5% or 3.3V 10%

Datasheets and support documentation can be found on

product line.

Precision Edge

Rev.: E

Issue Date: January 2008

Precision Edge

SY58037U

Amendment: /0

SY58037U

Related parts for sy58037u

sy58037u Summary of contents

Page 1

... The SY58037U operates from a 2. 3.3V 10% supply and is guaranteed over the full industrial temperature range of – +85 C. The SY58037U is part of Micrel’s high-speed, Precision Edge Datasheets and support documentation can be found on ® package Micrel’ ...

Page 2

... /IN4 7 IN5 /IN5 IN6 /IN6 IN7 /IN7 Q /Q IN0 /IN0 IN1 /IN1 IN2 /IN2 IN3 /IN3 IN4 /IN4 IN5 /IN5 IN6 /IN6 IN7 /IN7 2 Precision Edge 1:2 Fanout Q0 /Q0 MUX Q1 / ® SY58037U ...

Page 3

... It is used when AC coupling the inputs CC . See “Input Interface Applications” section for more details Precision Edge® Package Range Marking SY58037U SY58037U SY58037U with Pb-Free bar-line indicator SY58037U with Pb-Free bar-line indicator = electricals only. A SY58037U Lead Finish Sn-Pb Sn-Pb ...

Page 4

... See Figure 1b. 4 (2) ) ............... +2.375V to +2.625V CC ) ............. – Min Typ 2.375 2.5 3.0 3.3 145 100 V –1 0.1 0.2 V –1.3 V –1 Precision Edge® SY58037U Max Units 2.625 V 3.6 V 200 mA 60 120 –0 1 1.28 V –1 uses 4-layer JB ...

Page 5

... The circuit is designed to meet the DC specifications shown in the above table after thermal equilibrium has been established. (7) = 100 across each output pair, unless otherwise stated. L Condition See Figure 1a. See Figure 1b. (7) Condition 5 Precision Edge® SY58037U Min Typ Max Units V –0.040 V –0.010 ...

Page 6

... MAX 6 Precision Edge® Min Typ 5 4 240 35550 100 215 20 40 where T is the time between rising n–1 12 output edges will deviate by more than the SY58037U Max Units Gbps GHz 450 ps 550 ps fs 150 RMS 10 ...

Page 7

... FREQUENCY (MHz) Within Device Skew vs. Temperature 1.2 1.0 0.8 0.6 0.4 0.2 0 -40 - 100 TEMPERATURE ( C) 7 Precision Edge® SY58037U Propagation Delay vs. Temperature 365 360 355 350 345 340 335 330 -40 - 100 TEMPERATURE ( C) ...

Page 8

... Micrel FUNCTIONAL CHARACTERISTICS V = 3.3V, GND = 100mV unless otherwise stated 1.25Gbps Output (Q – /Q) TIME (200ps/div.) 5Gbps Output (Q – /Q) TIME (50ps/div.) 2.5Gbps Output (Q – /Q) TIME (100ps/div.) 200MHz Output (Q – /Q) TIME (600ps/div.) 622MHz Output (Q – /Q) TIME (100ps/div.) 8 Precision Edge® SY58037U ...

Page 9

... OUT 100mA GND Figure 2b. CML DC-Coupled (100 Termination) 9 Precision Edge® DIFF_IN V 800mV (Typ.) DIFF_OUT Figure 1b. Differential Voltage Swing 100 100mA GND Figure 2c. CML AC-Coupled (50 Termination) SY58037U bias per application ...

Page 10

... For 2.5V Figure 3b. LVPECL Interface (AC-Coupled LVDS /IN SY58037U GND REF-AC Figure 3e. LVDS Interface Data Sheet Link http://www.micrel.com/product-info/products/sy58037u.shtml http://www.micrel.com/product-info/products/sy58038u.shtml http://www.micrel.com/product-info/products/sy58039u.shtml www.amkor.com/products/notes_papers/MLF_AppNote_0902.pdf www.micrel.com/product-info/products/solutions.shtml 10 Precision Edge® SY58037U CML /IN SY58037U GND REF-AC Option: May connect ...

Page 11

... PCB Thermal Consideration for 44-Pin MLF (Always solder, or equivalent, the exposed pad to the PCB (408) 474-1000 FAX Micrel for any damages resulting from such use or sale. © 2005 Micrel, Incorporated. 11 Package EP- Exposed Pad Die ® Package http://www.micrel.com WEB Precision Edge® SY58037U ...

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