SY58029UMITR Micrel Inc, SY58029UMITR Datasheet

SY58029UMITR

Manufacturer Part Number

SY58029UMITR

Description

Manufacturer

Micrel Inc

Type

Clock Multiplexerr

Datasheet

1.SY58029UMITR.pdf (11 pages)

Specifications of SY58029UMITR

Number Of Clock Inputs

Mode Of Operation

Differential

Output Logic Level

LVPECL

Operating Supply Voltage (min)

2.375V

Operating Supply Voltage (typ)

2.5/3.3V

Operating Supply Voltage (max)

3.6V

Package Type

MLF

Operating Temp Range

-40C to 85C

Operating Temperature Classification

Industrial

Signal Type

CML/LVDS/LVPECL

Mounting

Surface Mount

Pin Count

Lead Free Status / RoHS Status

Not Compliant

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Micrel, Inc.

Precision Edge is a registered trademark of Micrel, Inc.

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

M9999-082707

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

FEATURES

APPLICATIONS

TYPICAL PERFORMANCE

Selects 1 of 4 differential inputs

Provides two copies of the selected input

Guaranteed AC performance over temperature and

voltage:

• DC-to-> 5Gbps data rate throughput

• < 390ps IN-to-Out t

• < 110ps t

Ultra low-jitter design:

• < 10ps

• < 1ps

• < 10ps

• < 0.7ps

Unique patended input design minimizes crosstalk

Accepts an input signal as low as 100mV

Unique patented input termination and V

accepts DC- and AC-coupled inputs (CML, LVPECL,

LVDS)

800mV 100K LVPECL output swing

Power supply 2.5V ±5% or 3.3V ±10%

–40°C to +85°C temperature range

Available in 32-pin (5mm ∞ ∞ ∞ ∞ ∞ 5mm) MLF

Redundant clock and/or distribution

All SONET/SDH clock/data distribution

Loopback

All Fibre Channel distribution

All Gigabit Ethernet clock and/or data distribution

RMS

deterministic jitter

total jitter (clock)

random jitter

/ t

crosstalk-induced jitter

times

.5Gbps Output (

IME (100ps/div.)

Ð1 PRBS)

ULTRA PRECISION DIFFERENTIAL

LVPECL 4:1 MUX with 1:2 FANOUT

and INTERNAL TERMINATION

package

differential multiplexer with 100k LVPECL (800mV)

compatible outputs, capable of handling clocks up to 4GHz

and data streams up to 5Gbps. In addition, a 1:2 fanout

buffer provides two copies of the selected inputs.

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 result is a clean, stub-free,

low-jitter interface solution. The outputs are 800mV LVPECL,

(100k temperature compensated) with extremely fast rise/

fall times guaranteed to be less than 110ps.

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 SY58028U. For 400mV

LVPECL outputs, consider the SY58030U. The SY58029U

is part of Micrel’s high-speed, Precision Edge

site at www.micrel.com.

DESCRIPTION

FUNCTIONAL BLOCK DIAGRAM

The SY58029U is a 2.5V/3.3V precision, high-speed, 4:1

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

The SY58029U operates from a 2.5V ±5% supply or a

All support documentation can be found on Micrel’s web

REF-AC0

REF-AC1

REF-AC2

REF-AC3

/IN0

/IN1

/IN2

/IN3

IN0

IN1

IN2

IN3

50Ω

SEL0 (CMOS/TTL)

SEL1 (CMOS/TTL)

MUX

4:1

Precision Edge

Rev.: D

Issue Date: August 2007

Precision Edge

SY58029U

Fanout

1:2

product line.

Amendment: /0

SY58029U

/Q0

/Q1

Related parts for SY58029UMITR

SY58029UMITR Summary of contents

Page 1

Micrel, Inc. FEATURES Selects differential inputs Provides two copies of the selected input Guaranteed AC performance over temperature and voltage: • DC-to-> 5Gbps data rate throughput • < 390ps IN-to-Out t pd • < 110ps t / ...

Page 2

... IN3 Input Selected M9999-082707 hbwhelp@micrel.com or (408) 955-1690 (1) Ordering Information Package Part Number Type SY58029UMI MLF-32 (2) SY58029UMITR MLF-32 (3) SY58029UMG MLF-32 (2, 3) SY58029UMGTR MLF-32 Notes: 1. Contact factory for die availability. Dice are guaranteed Tape and Reel. 3. Pb-Free package recommended for new designs. Pin Function Differential Input: Each pair accepts AC- or DC-coupled signals as small as 100mV ...

Page 3

Micrel, Inc. Absolute Maximum Ratings Power Supply Voltage (V ) ...................... –0.5V to +4.0V CC Input Voltage (V ) .......................................... –0. LVPECL Output Current (I ) OUT Continuous .............................................................. 50mA Surge ....................................................................100mA (3) Termination Current Source or ...

Page 4

Micrel, Inc. LVPECL OUTPUT DC ELECTRICAL CHARACTERISTICS V = 2.5V ±5% or 3.3V ±10 –40°C to +85° Symbol Parameter V Output HIGH Voltage OH V Output LOW Voltage OL V Output Voltage Swing OUT V ...

Page 5

Micrel, Inc. AC ELECTRICAL CHARACTERISTICS V = 2.5V ±5% or 3.3V ±10 50ý Symbol Parameter f Maximum Operating Frequency MAX t Propagation Delay (Diff Tempco Differential Propagation Delay pd Temperature Coefficient t ...

Page 6

Micrel, Inc. TIMING DIAGRAMS IN / SEL Q /Q SEL0 Q: SEL1 Q: M9999-082707 hbwhelp@micrel.com or (408) 955-1690 Figure 2a. IN-to-Q Timing Diagram Figure ...

Page 7

Micrel, Inc. FUNCTIONAL CHARACTERISTICS V = 2.5V, GND = 100mV 25°C, unless otherwise stated 200MHz Output TIME (600ps/div.) 2.5GHz Output TIME (50ps/div.) 3.2Gbps Output (2 TIME (100ps/div.) M9999-082707 hbwhelp@micrel.com or (408) 955-1690 ...

Page 8

Micrel, Inc. TYPICAL OPERATING CHARACTERISTICS V = 2.5V, GND = 100mV 25°C, unless otherwise stated Propagation Delay vs. Input Voltage 320 315 310 305 300 295 290 285 280 0 200 400 ...

Page 9

Micrel, Inc. INPUT STAGE INPUT INTERFACE APPLICATIONS CML /IN SY58029U GND NC V REF- Figure 4a. CML Interface (DC-coupled) Option: May connect PECL / ...

Page 10

Micrel, Inc. OUTPUT INTERFACE APPLICATIONS +3.3V R1 +3.3V 130Ω 50Ω 50Ω 82Ω Figure 5a. Parallel Thevenin-Equivalent Termination Note: 1. For a 2.5V system 250ý 62.5ý. For a 3.3V system, ...

Page 11

Micrel, Inc. ® 32-PIN MicroLeadFrame Package Notes: 1. Package meets Level 2 qualification. 2. All parts are dry-packaged before shipment. 3. Exposed pads must be soldered to a ground for proper thermal management. MICREL, INC. 2180 FORTUNE DRIVE SAN JOSE, ...

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