sy56023r Micrel Semiconductor, sy56023r Datasheet

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sy56023r

Manufacturer Part Number
sy56023r
Description
Low Voltage 1.2v/1.8v/2.5v Cml 2x2 Crosspoint Switch 6.4gbps With Equalization
Manufacturer
Micrel Semiconductor
Datasheet

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Part Number:
sy56023rMG
Manufacturer:
MICREL
Quantity:
360
General Description
The SY56023R is a fully differential, low voltage
1.2V/1.8V/2.5V CML 2x2 crosspoint switch with input
equalization. The SY56023R can process clock signals
as fast as 4.5GHz or data patterns up to 6.4Gbps.
The differential input includes Micrel’s unique, 3-pin input
termination architecture that interfaces to CML differential
signals, without any level-shifting or termination resistor
networks in the signal path. The differential input can also
accept AC-coupled LVPECL and LVDS signals. Input
voltages as small as 200mV (400mV
before the 9”, 18” or 27” FR4 transmission line. For AC-
coupled input interface applications, an internal voltage
reference is provided to bias the V
CML, with extremely fast rise/fall times guaranteed to be
less than 80ps.
The SY56023R operates from a 2.5V ±5% core supply
and a 1.2V, 1.8V or 2.5V ±5% output supply and is
guaranteed over the full industrial temperature range
(–40°C to +85°C). The SY56023R is part of Micrel’s high-
speed, Precision Edge
Datasheets and support documentation can be found on
Micrel’s web site at: www.micrel.com.
Functional Block Diagram
July 2008
Precision Edge is a registered trademark of Micrel, Inc.
MLF and MicroLeadFrame are registered trademarks of Amkor Technology.
Micrel Inc. • 2180 Fortune Drive • San Jose, CA 95131 • USA • tel +1 (408) 944-0800 • fax + 1 (408) 474-1000 • http://www.micrel.com
®
product line.
T
pin. The outputs are
PP
) are applied
Features
• 1.2V/1.8V/2.5V CML 2x2 Crosspoint Switch
• Equalizes 9, 18, 27 inches of FR4
• Guaranteed AC performance over temperature and
• Ultra-low jitter design
• High-speed CML outputs
• 2.5V ±5% V
• Industrial temperature range: –40°C to +85°C
• Available in 16-pin (3mm x 3mm) MLF
Applications
• Data Distribution:
• SONET clock and data distribution
• Fiber Channel clock and data distribution
• Gigabit Ethernet clock and data distribution
Markets
• Storage
• ATE
• Test and measurement
• Enterprise networking equipment
• High-end servers
• Metro area network equipment
voltage:
– DC-to > 6.4Gbps Data throughput
– DC-to > 4.5GHz Clock throughput
– <280 ps propagation delay (IN-to-Q)
– <15 ps output skew
– <80 ps rise/fall times
– <1 ps
operation
Low Voltage 1.2V/1.8V/2.5V CML 2x2
Crosspoint Switch 6.4Gbps with
RMS
CC
cycle-to-cycle jitter
, 1.2/1.8V/2.5V ±5% V
SY56023R
Preliminary
Equalization
hbwhelp@micrel.com
CCO
or (408) 955-1690
®
M9999-070808-A
Precision Edge
package
power supply
®

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sy56023r Summary of contents

Page 1

... The SY56023R operates from a 2.5V ±5% core supply and a 1.2V, 1.8V or 2.5V ±5% output supply and is guaranteed over the full industrial temperature range (–40°C to +85°C). The SY56023R is part of Micrel’s high- ® speed, Precision Edge product line. Datasheets and support documentation can be found on Micrel’ ...

Page 2

... R023 with Pb-Free bar-line indicator Industrial R023 with Pb-Free bar-line indicator = 25°C, DC Electricals only. A ® 16-Pin MLF (MLF-16 IN0 IN0 IN0 IN1 IN1 IN0 IN1 IN1 EQUALIZATION 27 “ 18” 9” 2 SY56023R Lead Finish NiPdAu Pb-Free NiPdAu Pb-Free M9999-070808-A hbwhelp@micrel.com or (408) 955-1690 ...

Page 3

... Ground: Exposed pad must be connected to a ground plane that is the same potential as the ground pins. CML Differential Output Pairs: Differential buffered copy of the input signal. The output swing is typically 390mV. See “Interface Applications” subsection for termination information. 3 SY56023R (400mV ) applied to the input CCO M9999-070808-A hbwhelp@micrel ...

Page 4

... A (3) ® MLF Still-air (θ ) ............................................ 75°C/W JA Junction-to-board (ψ ) ......................... 33°C/W JB Min Typ 2.375 2.5 1.14 1.2 1.7 1.8 2.375 2 100 1.42 1.22 0.2 0.4 hbwhelp@micrel.com SY56023R Max Units 2.625 V 1.26 V 1.9 V 2.625 V 110 Ω 55 Ω 110 –0 1.0 V 2.0 V 1.28 V and θ ...

Page 5

... Min Typ V -0.020 V -0.010 CC CC 300 390 600 780 45 50 Min Typ 2.0 -125 -300 (6) Min Typ V -0 -480 M9999-070808-A hbwhelp@micrel.com or (408) 955-1690 SY56023R Max Units 475 mV 950 mV Ω 55 Max Units 0 µA µA Max Units +0 400 µ ...

Page 6

... L CCO Condition NRZ Data V > 200mV OUT IN-to-Q Note 7, Figure 1 SEL-to-Q Figure 1 Note 8 Note 9 Note 10 Note 11 Note 12 At full output swing. . MAX 6 SY56023R Min Typ Max 6.4 Clock 4.5 100 180 280 90 210 350 20 15 100 1 0 M9999-070808-A hbwhelp@micrel ...

Page 7

... Input Termination 1.8V CML driver: 1.8V. Don’t terminate 100 ohms differentially. 2.5V CML driver: Terminate input with either VT tied to 2.5V or 100 ohms differentially. The input cannot be DC coupled from a 1.2V CML driver. Figure 1. Propagation Delay 7 SY56023R Terminate input with VT tied to M9999-070808-A hbwhelp@micrel.com or (408) 955-1690 ...

Page 8

... Micrel, Inc. Typical Characteristics 1.2V, GND = 0V CCO stated. July 2008 = 400mV 50Ω to 1.2V, Data Pattern SY56023R 23 - 25°C, unless otherwise A M9999-070808-A hbwhelp@micrel.com or (408) 955-1690 ...

Page 9

... Micrel, Inc. Input and Output Stage Figure 2a. Simplified Differential Input Buffer Single-Ended and Differential Swings Figure 3a. Single-Ended Swing July 2008 Figure 2b. Simplified CML Output Buffer Figure 3b. Differential Swing 9 hbwhelp@micrel.com SY56023R M9999-070808-A or (408) 955-1690 ...

Page 10

... Micrel, Inc. Input Interface Applications Figure 4a. CML Interface 100Ω Differential (DC-Coupled, 2.5V) Figure 4d. LVPECL Interface (AC-Coupled) July 2008 Figure 4b. CML Interface 50Ω (DC-Coupled, 1.8V, 2.5V) Figure 4e. LVDS Interface (AC-Coupled) 10 SY56023R Figure 4c. CML Interface (AC-Coupled) M9999-070808-A hbwhelp@micrel.com or (408) 955-1690 ...

Page 11

... Related Product and Support Documents Part Number Function HBW Solutions New Products and Termination Application Notes July 2008 Figure 5b. 1.8V CML DC-Coupled Termination Figure 5d. CML AC-Coupled Termination V 1.2V Only CCO Datasheet Link http://www.micrel.com/page.do?page=/product- info/as/HBWsolutions.shtml 11 hbwhelp@micrel.com SY56023R M9999-070808-A or (408) 955-1690 ...

Page 12

... A Purchaser’s use or sale of Micrel Products for use in life support appliances, devices or systems is a Purchaser’s own risk and Purchaser agrees to fully indemnify Micrel for any damages resulting from such use or sale. July 2008 ® 16-Pin MLF (3mm x3mm) (MLF-16) © 2008 Micrel, Incorporated. 12 SY56023R M9999-070808-A hbwhelp@micrel.com or (408) 955-1690 ...

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