SY89834UMG Micrel Inc, SY89834UMG Datasheet

SY89834UMG

Manufacturer Part Number

SY89834UMG

Description

IC BUFFER/XLATOR 1:4 FAN 16-MLF

Manufacturer

Micrel Inc

Type

Fanout Buffer (Distribution), Multiplexer , Translatorr

Series

Precision Edge®r

Datasheet

1.SY89834UMG.pdf (10 pages)

Specifications of SY89834UMG

Number Of Circuits

Ratio - Input:output

2:4

Differential - Input:output

No/Yes

Input

LVCMOS, LVTTL

Output

LVPECL

Frequency - Max

1GHz

Voltage - Supply

2.375 V ~ 3.6 V

Operating Temperature

-40°C ~ 85°C

Mounting Type

Surface Mount

Package / Case

16-MLF®, QFN

Frequency-max

1GHz

Supply Voltage Range

2.375V To 2.625V, 3V To 3.6V

Logic Case Style

MLF

No. Of Pins

Operating Temperature Range

-40Â°C To +85Â°C

Output Current

50mA

Termination Type

SMD

Number Of Clock Inputs

Mode Of Operation

Single-Ended

Output Frequency

1000MHz

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

CMOS/LVTTL

Mounting

Surface Mount

Pin Count

Lead Free Status / RoHS Status

Lead free / RoHS Compliant

Other names

576-2093-5
SY89834UMG

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Company

Part Number

Manufacturer

Quantity

Price

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Part Number:

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Part Number:

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SY89834UMGTR

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MICREL/麦瑞

Quantity:

20 000

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Micrel, Inc.

Precision Edge is a registered trademark of Micrel, Inc.

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

August 2005

FEATURES

APPLICATIONS

Selects between two LVTTL/CMOS inputs and

provides 4 LVPECL output copies

Guaranteed AC performance over temperature

and voltage:

• DC-to >1.0GHz throughput

• <500ps propagation delay (IN-to-Q)

• < 20ps within-device skew

• < 225ps rise/fall time

Ultra-low jitter design:

• < 1ps

• < 10ps

Low voltage 2.5V and 3.3V supply operation

100K LVPECL outputs

Industrial temperature range: –40 C to +85 C

Includes a 2:1 MUX select input

Accepts single-ended TTL/CMOS inputs and

provides four LVPECL outputs

Available in 16-pin (3mm

Processor clock distribution/translation

SONET clock distribution/translation

Fibre Channel clock distribution/translation

Gigabit Ethernet clock distribution/translation

Single-ended ASIC-to-differential communication

IC signal translation

RMS

deterministic jitter

total jitter (clock)

cycle-to-cycle jitter

random jitter

3mm) MLF™ package

2.5V/3.3V TWO INPUT, 1GHz LVTTL/CMOS-

TO-LVPECL 1:4 FANOUT BUFFER/

TRANSLATOR WITH 2:1 INPUT MUX

LVPECL fanout buffer/translator optimized for high-speed

ultra-low skew applications. The input stage is designed to

accept two single-ended LVTTL/CMOS compatible signals

that feed into a 2:1 MUX. The selected input is translated

and distributed as four differential 100K LVPECL outputs.

Within device skew is guaranteed to be less than 20ps over

supply voltage and temperature.

levels. The internal threshold of the buffers is defined as

Edge

combination, consult Micrel's website at: www.micrel.com,

and choose from a comprehensive product line of high-

speed, low-skew fanout buffers, translators and clock

generators.

LVTTL/CMOS)

(LVTTL/CMOS)

DESCRIPTION

FUNCTIONAL BLOCK DIAGRAM

The SY89834U is a high-speed, 1GHz LVTTL/CMOS-to-

The single-ended input buffers accept TTL/CMOS logic

The SY89834U is a part of Micrel's high-speed Precision

family. For applications that require a different I/O

SEL

IN1

IN2

MUX

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

Precision Edge

1:4

Precision Edge

SY89834U

M9999-080505

SY89834U

/Q0

/Q1

/Q2

/Q3

Related parts for SY89834UMG

SY89834UMG Summary of contents

Page 1

Micrel, Inc. FEATURES Selects between two LVTTL/CMOS inputs and provides 4 LVPECL output copies Guaranteed AC performance over temperature and voltage: • DC-to >1.0GHz throughput • <500ps propagation delay (IN-to-Q) • < 20ps within-device skew • < 225ps rise/fall time ...

Page 2

... On next negative transition of the input signal (IN). Ordering Information Part Number SY89834UMI (2) SY89834UMITR (3) SY89834UMG (2, 3) SY89834UMGTR Notes: 1. Contact factory for die availability. Dice are guaranteed Tape and Reel. 3. Pb-Free package is recommended for new designs. –2V. See “Output Termination Recommendations” section CC /2. Q0–Q3 /Q0– ...

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 (IN1, IN2) ............................................ ...

Page 4

Micrel, Inc. AC ELECTRICAL CHARACTERISTICS 3.3V 10 Symbol Parameter f Maximum Frequency MAX t Propagation Delay pd t Switchover Time SW t Within-Device Skew SKEW Part-to-Part Skew t Data ...

Page 5

Micrel, Inc. TIMING DIAGRAMS IN2 IN1 SEL SINGLE-ENDED AND DIFFERENTIAL SWINGS Figure 2a. Single-Ended Swing / ...

Page 6

Micrel, Inc. TYPICAL OPERATING CHARACTERISTICS V = 3.3V, GND = 0V –2V Output Swing vs. Frequency 800 700 600 500 400 300 200 100 0 0 0.5 1 1.5 2 2.5 ...

Page 7

Micrel, Inc. FUNCTIONAL CHARACTERISTICS V = 3.3V, GND = 0V –2V 155MHz Output TIME (1ns/div unless otherwise stated. A 1GHz Output TIME (200ps/div.) 7 Precision Edge SY89834U 622MHz ...

Page 8

Micrel, Inc. DIFFERENTIAL INPUT RELATED PRODUCTS AND SUPPORT DOCUMENTATION Part Number Function SY89830U 2.5V/3.3V/5V 2.5GHz 1:4 PECL/ECL Clock Driver with 2:1 Differential Input Mux SY89831U Ultra-Precision 1:4 LVPECL Fanout Buffer/ Translator with Internal Termination SY89832U 2.5V Ultra-Precision 1:4 LVDS Fanout ...

Page 9

Micrel, Inc. TERMINATION RECOMMENDATIONS Note: 1. For +2.5V systems 250 , R2 = 62.5 For +3.3V systems 130 , Notes: 1. Power-saving alternative to Thevenin termination. 2. Place termination resistors as close to ...

Page 10

Micrel, Inc. 16 LEAD EPAD Micro LeadFrame™ (MLF-16) Package Notes: Note 1. Note 2. MICREL, INC. 2180 FORTUNE DRIVE SAN JOSE, CA 95131 USA + 1 (408) 944-0800 TEL The information furnished by Micrel in this datasheet is believed to ...

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