sy58039u Micrel Semiconductor, sy58039u Datasheet

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sy58039u

Manufacturer Part Number
sy58039u
Description
Sy58039u Ultra Precision 8 1 Mux With Internal Termination And 1 2 400mv Lvpecl Fanout Buffer
Manufacturer
Micrel Semiconductor
Datasheet

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Company
Part Number
Manufacturer
Quantity
Price
Part Number:
sy58039uMI
Manufacturer:
MICREL
Quantity:
2
Micrel, Inc.
Precision Edge is a registered trademark of Micrel, Inc.
MLF and Micro LeadFrame are trademarks of Amkor Technology, Inc.
M9999-121207
hbwhelp@micrel.com or (408) 955-1690
FEATURES
APPLICATIONS
Selects between 1 of 8 inputs, and provides 2
precision, low skew LVPECL output copies
Guaranteed AC performance over temperature and
voltage:
• DC to 5Gbps throughput
• <490ps propagation delay IN-to-Q (V
• <85ps t
• <15ps skew (output-to-output)
Unique, patent-pending, channel-to-channel
isolation design provides superior crosstalk
performance
Ultra-low jitter design:
• <1ps
• <10ps
• <10ps
• <0.7ps
Unique, patent-pending, input termination and VT
pin accepts DC- and AC-coupled inputs (CML, PECL,
LVDS)
400mV LVPECL output swing
Power supply 2.5V
–40
Available in 44-pin (7mm × × × × × 7mm) MLF
Data communication systems
All SONET/SDH data/clock applications
All Fibre Channel applications
All Gigabit Ethernet applications
°
C to +85
rms
pp
pp
rms
r
/ t
random jitter
deterministic jitter
total jitter (clock)
°
f
crosstalk-induced jitter
C temperature range
time
±
5% or 3.3V
±
10%
®
ULTRA PRECISION 8:1 MUX WITH
INTERNAL TERMINATION AND 1:2
400mV LVPECL FANOUT BUFFER
IN
package
100mV)
1
multiplexer with a 1:2 differential fanout buffer optimized for
precision telecom and enterprise server distribution
applications. The SY58039U distributes clock frequencies
from DC to 4GHz, and data rates to 5Gpbs guaranteed
over temperature and voltage.
3-pin input termination architecture that directly interfaces
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, 100K-
compatible LVPECL with extremely fast rise/fall times
guaranteed to be less than 85ps.
that significantly improve channel-to-channel crosstalk
performance.
supply and is guaranteed over the full industrial temperature
range of –40°C to +85°C. The SY58039U is part of Micrel’s
high-speed, Precision Edge
Micrel’s web site at www.micrel.com.
DESCRIPTION
The SY58039U is a low jitter, low skew, high-speed 8:1
The SY58039U differential input includes Micrel’s unique,
The SY58039U features a patent-pending isolation design
The SY58039U operates from a 2.5V ±5% or 3.3V ±10%
Datasheets and support documentation can be found on
®
product line.
Precision Edge
Rev.: E
Issue Date: December 2007
Precision Edge
Precision Edge
SY58039U
Amendment: /0
SY58039U
®
®
®

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sy58039u Summary of contents

Page 1

... The SY58039U operates from a 2.5V ±5% or 3.3V ±10% supply and is guaranteed over the full industrial temperature range of –40°C to +85°C. The SY58039U is part of Micrel’s ® package high-speed, Precision Edge Datasheets and support documentation can be found on Micrel’s web site at www.micrel.com. ...

Page 2

... 50Ω /IN5 IN6 50Ω 50Ω /IN6 IN7 50Ω 50Ω /IN7 Q /Q IN0 /IN0 IN1 /IN1 IN2 /IN2 IN3 /IN3 IN4 /IN4 IN5 /IN5 IN6 /IN6 IN7 /IN7 2 8:1 MUX 1:2 Fanout Q0 /Q0 MUX Q1 / ® Precision Edge SY58039U ...

Page 3

... See “Input Interface Applications” section for more details (1) Operating Package Range Marking Industrial SY58039U Industrial SY58039U Industrial SY58039U with Pb-Free bar-line indicator Industrial SY58039U with Pb-Free bar-line indicator = 25°C, DC electricals only. A –1.2V used when AC coupling the inputs CC –2V (or V –1.2V if AC-coupled ® ...

Page 4

... Precision Edge (2) ) ............... +2.375V to +2.625V CC ) ............. –40°C to +85° Min Typ 2.375 2.5 3.0 3.3 110 100 V –1 0.1 0.2 V –1.3 V –1 ® SY58039U Max Units 2.625 V 3.6 V 155 mA 60 Ω 120 Ω –0 1 1.28 V –1 uses 4-layer JB ...

Page 5

... The circuit is designed to meet the DC specifications shown in the above table after thermal equilibrium has been established. M9999-121207 hbwhelp@micrel.com or (408) 955-1690 (7) = 50Ω –2V, unless otherwise stated Condition See Figure 1a. See Figure 1b. (7) Condition 5 ® Precision Edge SY58039U Min Typ Max Units V –1.145 V –0.895 –1.545 V –1.295 ...

Page 6

... 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 ® SY58039U Max Units Gbps GHz 500 ps 600 ps fs/° 150 ...

Page 7

... FREQUENCY (MHz) M9999-121207 hbwhelp@micrel.com or (408) 955-1690 Within Device Skew vs. Temperature 1.2 1.0 0.8 0.6 0.4 0.2 0 -40 - 100 TEMPERATURE (°C) 7 ® Precision Edge SY58039U Propagation Delay vs. Temperature 350 345 340 335 330 325 320 315 -40 - 100 TEMPERATURE (°C) ...

Page 8

... 1.25Gbps Output (Q – /Q) TIME (200ps/div.) 3.2Gbps Output (Q – /Q) TIME (75ps/div.) 200MHz Output TIME (600ps/div.) M9999-121207 hbwhelp@micrel.com or (408) 955-1690 2.5Gbps Output (Q – /Q) TIME (100ps/div.) 5Gbps Output (Q – /Q) TIME (50ps/div.) 1.25GHz Output TIME (100ps/div.) 8 ® Precision Edge SY58039U ...

Page 9

... Micrel, Inc. 2.5GHz Output TIME (50ps/div.) M9999-121207 hbwhelp@micrel.com or (408) 955-1690 5GHz Output TIME (30ps/div.) 9 ® Precision Edge SY58039U ...

Page 10

... For 3.3V 100Ω. pd For 2.5V 50Ω. pd Figure 3b. LVPECL Interface (AC-Coupled LVDS /IN SY58039U GND REF-AC Figure 3e. LVDS Interface 10 Precision Edge SY58039U CML /IN SY58039U GND REF-AC Option: May connect Figure 3c. CML Interface (DC-Coupled) ...

Page 11

... R2 82Ω Note: For +2.5V system, R For +3.3V system, R Data Sheet Link http://www.micrel.com/product-info/products/sy58037u.shtml http://www.micrel.com/product-info/products/sy58038u.shtml http://www.micrel.com/product-info/products/sy58039u.shtml www.amkor.com/products/notes_papers/MLF_AppNote_0902.pdf www.micrel.com/product-info/products/solutions.shtml 11 Precision Edge +3. 50Ω 50Ω 50Ω 50Ω 0.01µF (optional) Figure 4b. Parallel Termination (3-Resistor) =19Ω 50Ω. b ® SY58039U ...

Page 12

... PCB Thermal Consideration for 44-Pin MLF (Always solder, or equivalent, the exposed pad to the PCB (408) 474-1000 FAX WEB Micrel for any damages resulting from such use or sale. © 2005 Micrel, Incorporated. 12 Precision Edge Package EP- Exposed Pad Die ® Package http://www.micrel.com ® SY58039U ...

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