SY89850UMG TR Micrel Inc, SY89850UMG TR Datasheet

SY89850UMG TR

Manufacturer Part Number

SY89850UMG TR

Description

IC DRVR/RCVR LVPECL PREC 8-MLF

Manufacturer

Micrel Inc

Series

SY89r

Datasheet

1.SY89850UMG_TR.pdf (10 pages)

Specifications of SY89850UMG TR

Logic Type

Differential Receiver/Driver

Supply Voltage

3 V ~ 3.6 V

Operating Temperature

-40°C ~ 85°C

Mounting Type

Surface Mount

Package / Case

8-MLF®, QFN

Lead Free Status / RoHS Status

Lead free / RoHS Compliant

Number Of Bits

Other names

576-2957-2
SY89850UMG TR
SY89850UMGTR
SY89850UMGTR

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General Description

The SY89850U is a 2.5V/3.3V precision, high-speed,

differential receiver capable of handling clocks up to

4GHz and data streams up to 3.2Gbps.

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

input termination architecture that allows users to

interface to any differential signal (AC or DC-coupled)

as small as 100mV (200mV

shifting or termination resistor networks in the signal

path. The outputs are 800mV LVPECL, with extremely

fast rise/fall times guaranteed to be less than 160ps.

The SY89850U 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. The

SY89850U is part of Micrel's high-speed, Precision

Edge

All support documentation can be found on Micrel's

web site at www.micrel.com.

Typical Application

Precision Edge is a registered trademark of Micrel, Inc.

August 2007

product line.

) without any level

Driver/Receiver with Internal Termination

Features

• Guaranteed AC performance over temperature

• Low power: 50mW (2.5V typ.)

• Ultra-low jitter design:

• Unique input termination and VT pin accepts DC-

• Typical 800mV (100k) LVPECL Output Swing

• Power supply 2.5V ±5% or 3.3V ±10%

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

• Available in ultra-small (2mm x 2mm) 8-pin DFN

Applications

• Backplane buffering

• OC-12 to OC-192 SONET/SDN clock/data

• All Gigabit Ethernet clock or data distribution

• Fibre Channel distribution

Markets

• LAN/WAN

• Enterprise servers

• ATE

• Test and measurement

Precision Low-Power LVPECL Line

and supply voltage:

– DC- to > 3.2Gbps data rate throughput

– 4GHz clock f

– <280ps In-to-Out t

– <160ps t

– <1ps

– <10ps

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

package

distribution

RMS

random jitter

deterministic jitter

total jitter (clock)

SY89850U

hbwhelp@micrel.com

MAX

(typ.)

Precision Edge

or (408) 955-1690

M9999-083007-B

Related parts for SY89850UMG TR

SY89850UMG TR Summary of contents

Page 1

General Description The SY89850U is a 2.5V/3.3V precision, high-speed, differential receiver capable of handling clocks up to 4GHz and data streams up to 3.2Gbps. The differential input includes Micrel's unique, 3-pin input termination architecture that allows users to interface to ...

Page 2

Micrel, Inc. (1) Ordering Information Part Number Package Type SY89850UMG DFN-8 (2) SY89850UMGTR DFN-8 Notes: 1. Contact factory for dice availability. Dice are guaranteed Tape and Reel. Pin Configuration Pin Description Pin Number Pin Name 1, 4 ...

Page 3

Micrel, Inc. Absolute Maximum Ratings Supply Voltage (V ) .......................... –0.5V to +4.0V CC Input Voltage (V ) .................................. –0. LVPECL Output Current (I ) ................................... OUT Continuous .................................................. 50mA Surge ........................................................ 100mA Input Current .............................................................. Source ...

Page 4

Micrel, Inc. LVPECL Output DC Electrical Characteristics V = +2.5V ±5% or +3.3V ±10 Symbol Parameter V Output High Voltage Output Low Voltage Output Voltage Swing OUT ...

Page 5

Micrel, Inc. Single-Ended and Differential Swings Figure 1a. Singled-Ended Voltage Swing Timing Diagram August 2007 Figure 1b. Differential Voltage Swing 5 hbwhelp@micrel.com SY89850U M9999-083007-B or (408) 955-1690 ...

Page 6

Micrel, Inc. Typical Operating Characteristics = ≥ 400mV V = 3.3V, GND = 0V August 2007 ≤ 300ps 25°C, unless otherwise stated SY89850U M9999-083007-B hbwhelp@micrel.com or (408) ...

Page 7

Micrel, Inc. Functional Characteristics = ≥ 400mV V = 3.3V, GND = 0V August 2007 ≤ 300ps 25°C, unless otherwise stated SY89850U M9999-083007-B hbwhelp@micrel.com or (408) 955-1690 ...

Page 8

Micrel, Inc. Input and Output Stages Figure 2a. Simplified Differential Input Stage Input Interface Applications Figure 3a. LVPECL Interface (DC-Coupled) Figure 3d. CML Interface (AC-Coupled) August 2007 Figure 2b. Simplified LVPECL Output Stage Figure 3b. LVPECL Interface (AC-Coupled) Figure 3e. ...

Page 9

Micrel, Inc. Output Interface Applications LVPECL has a high input impedance, a very low output impedance (open emitter), and a small signal swing which results in low EMI. LVPECL is ideal for Ω Ω driving 50 - and 100 -controlled ...

Page 10

Micrel, Inc. Package Information MICREL, INC. 2180 FORTUNE DRIVE SAN JOSE, CA 95131 USA TEL +1 (408) 944-0800 FAX +1 (408) 474-1000 WEB http:/www.micrel.com The information furnished by Micrel in this data sheet is believed to be accurate and reliable. ...

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