SY58012U Micrel Semiconductor, SY58012U Datasheet

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SY58012U

Manufacturer Part Number
SY58012U
Description
Manufacturer
Micrel Semiconductor
Datasheet

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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
V
/IN
V
IN
REF
T
50
50
-AC
RMS
PP
PP
MAX
r
pd
total jitter (clock)
deterministic jitter (data)
random jitter (data)
/ t
f
(clock)
times
3mm) MLF
T
pin accepts DC-
®
5GHz, 1:2 LVPECL FANOUT
BUFFER/TRANSLATOR
WITH INTERNAL INPUT TERMINATION
package
Q0
/Q0
Q1
/Q1
1
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
(V
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)
V
CC
2GHz with 100mV Input
= 3.3V
total jitter, the SY58012U can process
2.5GHz Output
TIME (50ps/div.)
Precision Edge
T
pin. The outputs are
Precision Edge
Rev.: F
Issue Date: May 2008
Precision Edge
SY58012U
5% supply or
Amendment: /0
SY58012U
®
®
®
®

Related parts for SY58012U

SY58012U Summary of contents

Page 1

... LVPECL FANOUT BUFFER/TRANSLATOR WITH INTERNAL INPUT TERMINATION DESCRIPTION The SY58012U is a 2.5V/3.3V precision, high-speed, fully 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. ...

Page 2

... Marking Industrial 012U Industrial 012U Industrial 012U with Pb-Free bar-line indicator Industrial 012U with Pb-Free bar-line indicator = electricals only. A pin provides a T –1.2V used when AC-coupling CC pin. Bypass with 0.01 F low ESR T ® SY58012U Lead Finish Sn-Pb Sn-Pb Pb-Free NiPdAu Pb-Free NiPdAu ...

Page 3

... V –1 0.1 0 1.28 V –1.3 V –1 (Note 5) Min Typ Max V –1.145 –1.945 550 800 1100 1600 ® SY58012U Units –0 –1.1 V Units –0.895 V –1.695 ...

Page 4

... Clock 5 110 170 –T where T is the time between rising edges of the n n–1 12 output edges will deviate by more V , DIFF_IN V Typ. 1.6V DIFF_OUT Figure 1b. Differential Voltage Swing ® SY58012U Max Units Gbps GHz 260 100 RMS RMS 10 ...

Page 5

... Input Voltage Swing 190 185 180 175 170 165 160 155 0 200 400 600 INPUT VOLTAGE SWING (V) M9999-051408 hbwhelp@micrel.com or (408) 955-1690 800 1000 5 Precision Edge SY58012U Within-Device Skew vs. Temperature -40 - 100 TEMPERATURE ( C) Propagaton Delay vs. Temperature ...

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 Pattern) 6 ® Precision Edge SY58012U 5GHz Output TIME (25ps/div.) ...

Page 7

... For V = 3.3V system 100 CC pd For V = 2.5V system Figure 3b. AC-Coupled LVPECL Input Interface CML /IN SY58012U VT V REF-AC 0.1µ Figure 3e. AC-Coupled CML Input Interface 7 ® Precision Edge SY58012U LVDS /IN SY58012U -AC REF Figure 3c. LVDS Input Interface ...

Page 8

... Unused output pairs (Q and /Q) may be left floating. 50 destination 0.01 F (optional Data Sheet Link http://www.micrel.com/product-info/products/sy58011u.shtml http://www.micrel.com/product-info/products/sy58012u.shtml http://www.micrel.com/product-info/products/sy58013u.shtml www.amkor.com/products/notes_papers/MLF_AppNote_0902.pdf http://www.micrel.com/product-info/as/solutions.shtml 8 Precision Edge +3. 130 1k 130 —2V 1. Figure 7. Terminating Unused I/O ® SY58012U = V —1.3V CC +3.3V ...

Page 9

... PCB Thermal Consideration for 16-Pin MLF (Always solder, or equivalent, the exposed pad to the PCB (408) 474-1000 FAX Micrel for any damages resulting from such use or sale. © 2005 Micrel, Incorporated. 9 Package EP- Exposed Pad Die ® Package http://www.micrel.com WEB ® Precision Edge SY58012U ...

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