sy58036u Micrel Semiconductor, sy58036u Datasheet

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sy58036u

Manufacturer Part Number
sy58036u
Description
Sy58036u 6ghz, 1 6 400mv Lvpecl Fanout Buffer W/2 1 Mux Input And Internal Termination
Manufacturer
Micrel Semiconductor
Datasheet

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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
Provides six ultra-low skew copies of the selected
input
2:1 MUX input included for clock switchover
applications
Guaranteed AC performance over temperature and
voltage:
• Clock frequency range: DC to > 6GHz
• <300ps IN-to-OUT t
• <80ps t
• <20ps skew (output-to-output)
Ultra-low jitter design:
• <1ps
• <10ps
• <1ps
• <0.7ps
Low supply voltage operation: 2.5V and 3.3V
Unique input termination and VT pin accepts DC-
coupled and AC-coupled inputs (CML, PECL, LVDS)
Unique input isolation design minimizes crosstalk
400mV LVPECL (100K compatible) output swing
–40°C to +85°C temperature range
Available in 32-pin (5mm x 5mm) MLF
Redundant clock distribution
All SONET/SDH clock distribution
All Fibre Channel distribution
All Gigabit Ethernet clock distribution
RMS
RMS
PP
RMS
r
/ t
total jitter (clock)
random jitter
cycle-to-cycle jitter
f
crosstalk-induced jitter
times
pd
®
package
6GHz, 1:6 400mV LVPECL FANOUT
BUFFER WITH 2:1 MUX INPUT
AND INTERNAL TERMINATION
1
fanout buffer capable of handling clocks up to 6GHz. A
differential 2:1 MUX input is included for redundant clock
switchover applications.
termination architecture that allows the device 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 outputs are 400mV LVPECL
(100K temperature compensated), with extremely fast rise/
fall times guaranteed to be less than 80ps.
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 SY58034U or for 800mV
LVPECL outputs the SY58035U. The SY58036U is part of
Micrel’s high-speed, Precision Edge
site at www.micrel.com.
V
V
REF-AC0
REF-AC1
DESCRIPTION
FUNCTIONAL BLOCK DIAGRAM
The SY58036U is a 2.5V/3.3V precision, high-speed, 1:6
The differential input includes Micrel’s unique, 3-pin input
The SY58036U operates from a 2.5V ±5% supply or a
All support documentation can be found on Micrel’s web
SEL
(TTL/CMOS)
/IN0
/IN1
IN0
IN1
V
V
T0
T1
50Ω
50Ω
50Ω
50Ω
0
1
2:1 Mux
Mux
S
®
Precision Edge
product line.
Rev.: E
Issue Date: August 2007
Precision Edge
Precision Edge
SY58036U
1:6 Fanout
Amendment: /0
SY58036U
/Q0
/Q1
/Q2
/Q3
/Q4
/Q5
Q0
Q1
Q2
Q3
Q4
Q5
®
®
®

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sy58036u Summary of contents

Page 1

... The outputs are 400mV LVPECL (100K temperature compensated), with extremely fast rise/ fall times guaranteed to be less than 80ps. The SY58036U operates from a 2.5V ±5% supply or a 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 SY58034U or for 800mV LVPECL outputs the SY58035U ...

Page 2

... Due to the limited drive capability, the VREF-AC pin is only intended to drive its respective VT pin. 2 Precision Edge (1) Operating Package Range Marking Industrial SY58036U Industrial SY58036U Industrial SY58036U with Pb-Free bar-line indicator Industrial SY58036U with Pb-Free bar-line indicator = 25°C, DC electricals only. A –1.2V used for AC-coupling inputs CC ® SY58036U Lead Finish Sn-Pb ...

Page 3

... CC ) .............. –40°C to +85° Min Typ 2.375 2.5 2.625 3.0 3.3 180 90 100 –1 0.1 0.2 V –1.3 V –1 and θ JB ® SY58036U Max Units V 3.6 V 250 mA 110 ý 55 ý –0 1 1.28 V –1 are shown JA ...

Page 4

... The circuit is designed to meet the DC specifications shown in the above table after thermal equilibrium has been established. M9999-082707 hbwhelp@micrel.com or (408) 955-1690 (6) –2V –40°C to +85°C, unless otherwise stated Condition See Figure 1a. See Figure 1b. (6) Condition 4 Precision Edge SY58036U Min Typ Max Units V –1.145 V –0.895 –1.545 V – ...

Page 5

... T is the time between rising edges of the output n–1 12 output edges will deviate by more than the V , DIFF_IN V 800mV (Typ.) DIFF_OUT Figure 1b. Differential Voltage Swing Precision Edge ® SY58036U Max Units GHz 300 ps 400 ps fs/° 100 RMS ...

Page 6

... Micrel, Inc. TIMING DIAGRAMS IN / SEL Q /Q M9999-082707 hbwhelp@micrel.com or (408) 955-1690 t pd Input-to SEL-to Precision Edge SY58036U ® ...

Page 7

... FREQUENCY (MHz) M9999-082707 hbwhelp@micrel.com or (408) 955-1690 –2V 25°C, unless otherwise stated Propagation Delay vs. Temperature 226 224 222 220 218 -40 - 100 TEMPERATURE (C) 7 Precision Edge ® SY58036U ...

Page 8

... Micrel, Inc. FUNCTIONAL CHARACTERISTICS V = 3.3V, GND = 100mV 50ý 200MHz Output TIME (600ps/div.) 5GHz Output TIME (25ps/div.) M9999-082707 hbwhelp@micrel.com or (408) 955-1690 –2V 25°C, unless otherwise stated Precision Edge SY58036U 2.5GHz Output TIME (50ps/div.) 7GHz Output TIME (20ps/div.) ® ...

Page 9

... GND VT For 3.3V 100Ω. pd For 2.5V 50Ω. pd Figure 3b. LVPECL Interface (AC-Coupled LVDS /IN SY58036U GND NC VREF- Figure 3e. LVDS Interface 9 Precision Edge ® SY58036U CML /IN SY58036U GND NC VREF- Option: May connect Figure 3c. CML Interface (DC-Coupled) ...

Page 10

... R1 130Ω +3.3V source R2 82Ω Note: For 2.5V systems 19Ω Data Sheet Link http://www.micrel.com/product-info/products/sy58034u.shtml http://www.micrel.com/product-info/products/sy58035u.shtml www.amkor.com/products/notes_papers/MLF_AppNote_0902.pdf www.micrel.com/product-info/products/solutions.shtml 10 Precision Edge +3. 50Ω 50Ω 50Ω 50Ω destination 50Ω 0.01µF (optional) Figure 4b. Parallel Termination (3-Resistor) ® SY58036U V CC ...

Page 11

... PCB Thermal Consideration for 32-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. 11 Package EP- Exposed Pad Die ® Package http://www.micrel.com WEB Precision Edge ® SY58036U ...

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