SY89547LMI Micrel Inc, SY89547LMI Datasheet

SY89547LMI

Manufacturer Part Number

SY89547LMI

Description

IC MUX 4:1 LVDS DIFF 3.3V 32MLF

Manufacturer

Micrel Inc

Series

SY89r

Type

Multiplexerr

Datasheet

1.SY89547LMG.pdf (11 pages)

Specifications of SY89547LMI

Circuit

1 x 4:1

Independent Circuits

Voltage Supply Source

Single Supply

Voltage - Supply

3 V ~ 3.6 V

Operating Temperature

-40°C ~ 85°C

Mounting Type

Surface Mount

Package / Case

32-MLF®, QFN

Lead Free Status / RoHS Status

Contains lead / RoHS non-compliant

Current - Output High, Low

Current page: 1 of 11
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Micrel, Inc.

Precision Edge is a registered trademark of Micrel, Inc.

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

M9999-091809

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

FEATURES

APPLICATIONS

TYPICAL PERFORMANCE

Selects among four differential inputs

Provides two copies of the selected input

Guaranteed AC performance over temp and voltage:

• DC-to > 3.2Gbps data rate throughput

• < 620ps In-to-Out t

• < 150ps t

Unique input isolation design minimizes crosstalk

Ultra-low jitter design:

• < 1ps

• < 10ps

• < 0.7ps

Internal input termination

Unique input termination and V

coupled and AC-coupled inputs (LVDS, LVPECL,

CML)

350mV LVDS output swing

Power supply 3.3V 10%

–40 C to +85 C temperature range

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

SONET/SDH multi-channel select applications

Fibre Channel applications

GigE applications

RMS

deterministic jitter

total jitter (clock)

400

350

300

250

200

150

100

random jitter

crosstalk-induced jitter

1000 2000 3000 4000 5000 6000

Output Amplitude

FREQUENCY (MHz)

vs. Frequency

pin accepts DC-

3.3V, 3.2Gbps DIFFERENTIAL 4:1 LVDS

MULTIPLEXER with 1:2 FANOUT and

INTERNAL TERMINATION

package

multiplexer that provides two copies of the selected input.

The high speed LVDS (350mV) compatible outputs with a

guaranteed throughput of up to 3.2Gbps over temperature

and voltage.

3-pin internal termination design that allows access to the

termination network through a V

the device to easily interface to different logic standards,

both AC- and DC-coupled without external resistor-bias and

termination networks. The result is a clean, stub-free, low

jitter interface solution.

is guaranteed over the full industrial temperature range

(–40 C to +85 C). For applications that require a 2.5V supply,

consider the SY89546U. For applications that only require

one differential output, consider the SY89544U or SY89545L.

The SY89547L is part of a Micrel’s Precision Edge

family. All support documentation can be found on Micrel’s

web site at: www.micrel.com.

DESCRIPTION

FUNCTIONAL BLOCK DIAGRAM

The SY89547L is a precision, high-speed 4:1 differential

The SY89547L operates from a single 3.3V supply, and

The SY89547L differential inputs include Micrel’s unique,

/IN0

/IN1

/IN2

/IN3

IN0

IN1

IN2

IN3

SEL0 (CMOS/TTL)

SEL1 (CMOS/TTL)

3 S0

4:1 MUX

MUX

pin. This feature allows

Precision Edge

Rev.: D

Issue Date: September 2009

Precision Edge

SY89547L

1:2 Fanout

Amendment: /0

SY89547L

product

LVDS

/Q0

/Q1

Related parts for SY89547LMI

SY89547LMI Summary of contents

Page 1

Micrel, Inc. FEATURES Selects among four differential inputs Provides two copies of the selected input Guaranteed AC performance over temp and voltage: • DC-to > 3.2Gbps data rate throughput • < 620ps In-to-Out t pd • < 150ps t /t ...

Page 2

... GND, Exposed pad M9999-091809 hbwhelp@micrel.com or (408) 955-1690 (1) Ordering Information Package Part Number Type SY89547LMI MLF-32 (2) SY89547LMITR MLF-32 (3) SY89547LMG MLF-32 (2, 3) SY89547LMGTR MLF-32 Notes: 1. Contact factory for die availability. Dice are guaranteed Tape and Reel. 3. Recommended for new designs. Pin Function Differential Inputs: These input pairs are the differential signal inputs to the device ...

Page 3

Micrel, Inc. Absolute Maximum Ratings Supply Voltage (V ) ............................... – 0. 4.0V CC Input Voltage (V ) ........................................ –0. (3) Termination Current Source or sink current ..................................... Input Current Source or ...

Page 4

Micrel, Inc. LVDS OUTPUTS DC ELECTRICAL CHARACTERISTICS V = 3.3V 10 – + Symbol Parameter V Output HIGH Voltage OH (Q, /Q) V Output LOW Voltage OL (Q, /Q) V Output Voltage ...

Page 5

Micrel, Inc. AC ELECTRICAL CHARACTERISTICS V = 3.3V 10 – + Symbol Parameter f Maximum Operating Frequency MAX t Differential Propagation Delay pd t Input-to-Input Skew SKEW Output-to-Output Skew Part-to-Part Skew t ...

Page 6

Micrel, Inc. SINGLE-ENDED AND DIFFERENTIAL SWINGS OUT Figure 1a. Single-Ended Voltage Swing TIMING DIAGRAM IN / SEL Q /Q TRUTH TABLE IN0 IN1 ...

Page 7

Micrel, Inc. FUNCTIONAL CHARACTERISTICS V = 3.3V, GND = 0V 100mV 200MHz Output Q /Q TIME (600ps/div.) 2.5GHz Output Q /Q TIME (50ps/div.) M9999-091809 hbwhelp@micrel.com or (408) 955-1690 1.6GHz Output Q ...

Page 8

Micrel, Inc. FUNCTIONAL CHARACTERISTICS V = 3.3V, GND = 0V 100mV 3.2Gbps Data Output (2 TIME (80ps/div.) M9999-091809 hbwhelp@micrel.com or (408) 955-1690 23 —1 PRBS) 8 ® Precision Edge SY89547L ...

Page 9

Micrel, Inc. INPUT AND OUTPUT STAGE INTERNAL TERMINATION INPUT INTERFACE APPLICATIONS CML /IN SY89547L GND Figure 4a. CML Interface (DC-Coupled LVPECL / SY89547L p p GND V —1.4V CC ...

Page 10

Micrel, Inc. OUTPUT INTERFACE APPLICATIONS LVDS specifies a small swing of 350mV typical nominal 1.25V common mode above ground. The common mode voltage has tight limits to permit large variations GND Figure ...

Page 11

Micrel, Inc. ® 32-PIN Micro LeadFrame (MLF-32) 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 ...

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