sy58034u Micrel Semiconductor, sy58034u Datasheet

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sy58034u

Manufacturer Part Number
sy58034u
Description
Sy58034u 6ghz, 1 6 Cml Fanout Buffer W/ 2 1 Mux Input And Internal I/o Termination
Manufacturer
Micrel Semiconductor
Datasheet

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Part Number:
SY58034U
Manufacturer:
MICRO
Quantity:
20 000
Part Number:
sy58034uMG
Manufacturer:
MICREL
Quantity:
641
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
• <290ps IN-to-OUT t
• <60ps t
• <20ps skew (output-to-output)
Unique input isolation design minimizes crosstalk
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)
Internal 50ý output source termination
400mV CML 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 CML FANOUT BUFFER
WITH 2:1 MUX INPUT AND
INTERNAL I/O 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 50ý source
terminated CML, with extremely fast rise/fall times
guaranteed to be less than 60ps.
3.3V ±10% supply and is guaranteed over the full industrial
temperature range of –40°C to +85°C. For applications that
require LVPECL outputs, consider the SY58035U or
SY58036U Multiplexers. The SY58034U is part of Micrel’s
high-speed, Precision Edge
site at www.micrel.com.
V
V
DESCRIPTION
FUNCTIONAL BLOCK DIAGRAM
REF-AC0
REF-AC1
The SY58034U is a 2.5V/3.3V precision, high-speed 1:6
The differential input includes Micrel’s unique, 3-pin input
The SY58034U 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
®
product line.
0
1
2:1 MUX
MUX
S
Precision Edge
Rev.: E
Issue Date: August 2007
Precision Edge
Precision Edge®
SY58034U
1:6 Fanout
Amendment: /0
SY58034U
/Q0
/Q1
/Q2
/Q3
/Q4
/Q5
Q0
Q1
Q2
Q3
Q4
Q5
®
®

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sy58034u Summary of contents

Page 1

... The outputs are 50ý source terminated CML, with extremely fast rise/fall times guaranteed to be less than 60ps. The SY58034U 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 LVPECL outputs, consider the SY58035U or SY58036U Multiplexers. The SY58034U is part of Micrel’ ...

Page 2

... Due to the limited capability, the VREF-AC pin is only intended to drive its respective VT pin. 2 Precision Edge® (1) Package Range Marking Industrial SY58034U Industrial SY58034U Industrial SY58034U with Pb-free bar-line indicator Pb-Free Industrial SY58034U with Pb-free bar-line indicator Pb-Free = 25°C, DC electricals only. A –1.2V used for AC-coupling inputs CC SY58034U Lead Finish Sn-Pb ...

Page 3

... Precision Edge® (2) ) ............... +2.375V to +2.625V CC ) .............. –40°C to +85° Min Typ 2.375 2.5 2.625 3.0 3.3 245 90 100 –1 0.1 0.2 V –1.3 V –1 and θ JB SY58034U Max Units V 3.6 V 320 mA 110 ý 55 ý –0 1 1.28 V –1 are JA ...

Page 4

... M9999-082707 hbwhelp@micrel.com or (408) 955-1690 (6) = 100ý across each output pair or equivalent, unless otherwise stated. L Condition R = 50ý See Figure 1a. See Figure 1b. (6) Condition 4 Precision Edge® SY58034U Min Typ Max Units V –0.020 325 400 mV 650 800 ...

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® SY58034U Max Units GHz 290 ps 400 ps fs/° 100 ...

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® SY58034U ...

Page 7

... FREQUENCY (MHz) M9999-082707 hbwhelp@micrel.com or (408) 955-1690 = 100ý across the output 25°C, unless otherwise stated Propagation Delay vs. Temperature 224 222 220 218 216 214 -40 - 100 TEMPERATURE (C) 7 Precision Edge® SY58034U ...

Page 8

... FUNCTIONAL CHARACTERISTICS V = 2.5V, GND = 400mV 200MHz Output TIME (600ps/div.) 5GHz Output TIME (30ps/div.) M9999-082707 hbwhelp@micrel.com or (408) 955-1690 = 100ý across the output 25°C, unless otherwise stated Precision Edge® SY58034U 2.5GHz Output TIME (50ps/div.) 7GHz Output TIME (20ps/div.) ...

Page 9

... CC IN CML /IN SY58034U GND V VREF-AC CC 0.01µF VT Figure 3b. CML Interface (AC-Coupled LVDS /IN SY58034U GND NC VREF- Figure 3e. LVDS Interface 9 Precision Edge® SY58034U V CC 50Ω GND LVPECL /IN SY58034U GND NC VREF- 0.01µ For 3.3V 50Ω. pd For 3.5V 19Ω. ...

Page 10

... Application Note HBW Solutions New Products and Applications M9999-082707 hbwhelp@micrel.com or (408) 955-1690 V CC 50Ω /Q 100Ω Q 16mA GND Data Sheet Link http://www.micrel.com/product-info/products/sy58035u.shtml http://www.micrel.com/product-info/products/sy58036u.shtml www.amkor.com/products/notes_papers/MLF_AppNote_0902.pdf www.micrel.com/product-info/products/solutions.shtml 10 Precision Edge® SY58034U 50Ω 50Ω DC bias point per application 50Ω Figure 5. CML AC-Coupled Termination ...

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 Precision Edge® Package EP- Exposed Pad Die ® Package http://www.micrel.com WEB SY58034U ...

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