sy58012umitr Micrel Semiconductor, sy58012umitr Datasheet

sy58012umitr

Manufacturer Part Number

sy58012umitr

Description

Sy58012u 5ghz, 1 2 Lvpecl Fanout Buffer/translator With Internal Input Termination

Manufacturer

Micrel Semiconductor

Datasheet

1.SY58012UMITR.pdf (9 pages)

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Micrel, Inc.

M9999-051408

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

Precision Edge is registered trademark of Micrel, Inc.

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

FEATURES

APPLICATIONS

FUNCTIONAL BLOCK DIAGRAM

Precision 1:2, 800mV LVPECL fanout buffer

Guaranteed AC performance over temperature/

voltage:

• > 5GHz f

• < 110ps t

• < 260ps t

• < 15ps max skew

Low jitter performance

• < 10ps

• < 1ps

• < 10ps

Accepts an input signal as low as 100mV

Unique input termination and V

and AC-coupled differential inputs: LVPECL, LVDS,

and CML

Outputs are 100k LVPECL compatible, 800mV swing

Power supply 2.5V 5% and 3.3V 10%

–40 C to +85 C temperature range

Available in 16-pin (3mm

All SONET and GigE clock distribution

Fibre Channel clock and data distribution

Backplane distribution

High-end, low skew, multiprocessor synchronous

clock distribution

/IN

REF

-AC

RMS

MAX

total jitter (clock)

deterministic jitter (data)

random jitter (data)

/ t

(clock)

times

3mm) MLF

pin accepts DC-

5GHz, 1:2 LVPECL FANOUT

BUFFER/TRANSLATOR

WITH INTERNAL INPUT TERMINATION

package

/Q0

/Q1

differential 1:2 LVPECL fanout buffer. Optimized to provide

two identical output copies with less than 15ps of skew and

less than 10ps

clock signals as fast as 5GHz or 5Gbps data.

termination architecture that interfaces to LVPECL, LVDS

or CML differential signals, (AC-coupled or DC-coupled) as

small as 100mV without any level-shifting or termination

resistor networks in the signal path. For AC-coupled input

interface applications, an on-board output reference voltage

100k LVPECL compatible, 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 (–40 C to +85 C). For applications that

require faster rise/fall times, or greater bandwidth, consider

the SY58013U 1:2 fanout buffer with 400mV output swing,

or the SY58011 1:2 CML (400mV) fanout buffer. The

SY58012U is part of Micrel’s high-speed, Precision Edge

product line. Data sheets and support documentation can

be found on Micrel’s web site at www.micrel.com.

DESCRIPTION

REF-AC

TYPICAL PERFORMANCE

The SY58012U is a 2.5V/3.3V precision, high-speed, fully

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

The SY58012U operates from a 2.5V

) is provided to bias the V

(pk-pk)

2GHz with 100mV Input

= 3.3V

total jitter, the SY58012U can process

2.5GHz Output

TIME (50ps/div.)

Precision Edge

pin. The outputs are

Precision Edge

Rev.: F

Issue Date: May 2008

Precision Edge

SY58012U

5% supply or

Amendment: /0

SY58012U

Related parts for sy58012umitr

sy58012umitr Summary of contents

Page 1

Micrel, Inc. FEATURES Precision 1:2, 800mV LVPECL fanout buffer Guaranteed AC performance over temperature/ voltage: • > 5GHz f (clock) MAX • < 110ps times r f • < 260ps t pd • < 15ps max skew ...

... Q1, /Q1 M9999-051408 hbwhelp@micrel.com or (408) 955-1690 (1) Ordering Information Package Part Number Type SY58012UMI MLF-16 (2) SY58012UMITR MLF-16 (3) SY58012UMG MLF-16 (2, 3) SY58012UMGTR MLF-16 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: This input pair is the signal to be buffered ...

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 Source or sink current ...

Page 4

Micrel, Inc. AC ELECTRICAL CHARACTERISTICS 3.3V 10 – + Symbol Parameter f Maximum Operating Frequency MAX t Propagation Delay pd t Channel-to-Channel Skew CHAN t Part-to-Part Skew ...

Page 5

Micrel, Inc. TYPICAL OPERATING CHARACTERISTICS V = 3.3V, GND = 100mV unless otherwise stated Frequency vs. Amplitude 800 700 600 500 400 300 200 100 0 FREQUENCY (MHz) Propagation Delay ...

Page 6

Micrel, Inc. FUNCTIONAL CHARACTERISTICS V = 3.3V, GND = 100mV unless otherwise stated 200MHz Output TIME (600ps/div.) M9999-051408 hbwhelp@micrel.com or (408) 955-1690 5Gbps Output TIME (50ps/div –1 PRBS ...

Page 7

Micrel, Inc. INPUT STAGE INPUT INTERFACE APPLICATIONS LVPECL /IN SY58012U VT 0.01µF V -AC R REF Note: For V = 2.5V systems 19Ω For V = 3.3V ...

Page 8

Micrel, Inc. LVPECL OUTPUT LVPECL output have very low output impedance (open emitter), and small signal swing which results in low EMI. LVPECL is ideal for driving 50 +3.3V* R1 +3.3V* 130 ...

Page 9

Micrel, Inc. ® 16-PIN Micro LeadFrame Package Notes: Note 1. Package meets Level 2 qualification. Note 2. All parts are dry-packaged before shipment. Note 3. Exposed pads must be soldered to a ground for proper thermal management. MICREL, INC. 2180 ...

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