sy58603u Micrel Semiconductor, sy58603u Datasheet

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sy58603u

Manufacturer Part Number
sy58603u
Description
Sy58603u 4.25gbps Precision Cml Buffer With Internal Termination And Fail Safe Input
Manufacturer
Micrel Semiconductor
Datasheet

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General Description
The SY58603U is a 2.5/3.3V, high-speed, fully
differential CML buffer optimized to provide less than
10ps
signals as fast as 2.5GHz or data patterns up to
4.25Gbps.
The differential input includes Micrel’s unique, 3-pin
input termination architecture that interfaces to LVPECL,
LVDS or CML differential signals, (AC-coupled or DC-
coupled) as small as 100mV (200mV
level-shifting or termination resistor networks in the
signal path. For AC-coupled input interface applications,
an integrated voltage reference (V
bias the V
extremely fast rise/fall times guaranteed to be less than
85ps.
The SY58603U operates from a 2.5V ±5% supply or
3.3V ±10% supply and is guaranteed over the full
industrial temperature range (–40°C to +85°C). For
applications that require LVPECL or LVDS outputs,
consider the SY58604U and SY58605U, buffers with
800mV and 325mV output swings respectively. The
SY58603U is part of Micrel’s high-speed, Precision
Edge
Data sheets and support documentation can be found
on Micrel’s web site at: www.micrel.com.
Functional Block Diagram
August 2007
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
pp
®
product line.
total jitter. The SY58603U can process clock
T
pin. The output is 400mV CML, with
REF-AC
pp
) is provided to
) without any
4.25Gbps Precision CML Buffer with Internal
Features
• Precision 400mV CML buffer
• Guaranteed AC performance over temperature and
• Fail Safe Input
• Ultra-low jitter design
• High-speed CML output
• 2.5V ±5% or 3.3V ±10% power supply operation
• Industrial temperature range: –40°C to +85°C
• Available in 8-pin (2mm x 2mm) MLF
Applications
• Data Distribution: OC-48, OC-48+FEC, XAUI
• Backplane Buffering
• SONET clock or data distribution
• Fibre Channel clock or data distribution
• Gigabit Ethernet clock or data distribution
Markets
• Storage
• ATE
• Test and measurement
• Enterprise networking equipment
• High-end servers
• Access
• Metro area network equipment
voltage:
DC-to >4.25Gbps throughput
<300ps propagation delay (IN-to-Q)
<85ps rise/fall times
Prevents output from oscillating when input is
invalid
<1ps
<10ps
<1ps
<10ps
Termination and Fail Safe Input
RMS
RMS
PP
PP
cycle-to-cycle jitter
total jitter
random jitter
deterministic jitter
SY58603U
hbwhelp@micrel.com
or (408) 955-1690
®
M9999-082707-B
Precision Edge
package
®

Related parts for sy58603u

sy58603u Summary of contents

Page 1

... The output is 400mV CML, with T extremely fast rise/fall times guaranteed to be less than 85ps. The SY58603U operates from a 2.5V ±5% supply or 3.3V ±10% supply and is guaranteed over the full industrial temperature range (–40°C to +85°C). For applications that require LVPECL or LVDS outputs, consider the SY58604U and SY58605U, buffers with 800mV and 325mV output swings respectively ...

Page 2

... Ordering Information Part Number Package SY58603UMG MLF-8 (2) SY58603UMGTR MLF-8 Notes: 1. Contact factory for die availability. Dice are guaranteed Tape and Reel. Pin Configuration Pin Description Pin Number Pin Name 1, 4 IN, / VREF-AC 5 GND Exposed pad VCC August 2007 ...

Page 3

Absolute Maximum Ratings Supply Voltage (V ) ............................... –0.5V to +4.0V CC Input Voltage (V ) .......................................–0. CML Output Voltage (V ) .......... V OUT Current ( Source or sink on VT pin .............................±100mA Input ...

Page 4

... The circuit is designed to meet the DC specifications shown in the above table after thermal equilibrium has been established. August 2007 (7) = 100Ω across the outputs –40°C to +85°C, unless otherwise stated Condition R = 50Ω See Figure 3a See Figure 3b 4 SY58603U Min Typ Max V -0.020 V -0.010 325 400 650 ...

Page 5

AC Electrical Characteristics V = +2.5V ±5% or +3.3V ±10 otherwise stated. Symbol Parameter f Maximum Frequency MAX t Propagation Delay PD t Part-to-Part Skew Skew t Data Random Jitter Jitter Deterministic Jitter Clock Cycle-to-Cycle Jitter Total Jitter ...

Page 6

... PK PP Maximum frequency of SY58603U is limited by the FSI function. Timing Diagrams August 2007 Input Clock Failure Case If the input clock fails to a floating, static, or extremely low signal swing, the FSI function will eliminate a metastable condition and guarantee a stable output ...

Page 7

... Micrel, Inc. Typical Characteristics V = 2.5V, GND = 0V 100mV August 2007 = 100Ω across the outputs 25°C, unless otherwise stated SY58603U M9999-082707-B hbwhelp@micrel.com or (408) 955-1690 ...

Page 8

... Micrel, Inc. Functional Characteristics V = 2.5V, GND = 0V 325mV, Data Pattern stated. August 2007 23 - 100Ω across the outputs hbwhelp@micrel.com SY58603U = 25°C, unless otherwise A M9999-082707-B or (408) 955-1690 ...

Page 9

... Micrel, Inc. Functional Characteristics V = 2.5V, GND = 0V 325mV August 2007 (continued) = 100Ω across the outputs 25°C, unless otherwise stated. M9999-082707-B hbwhelp@micrel.com or (408) 955-1690 SY58603U ...

Page 10

... Micrel, Inc. Input and Output Stage Figure 2a. Simplified Differential Input Buffer Single-ended and Differential Swings Figure 3a. Single-Ended Swing August 2007 Figure 2b. Simplified CML Output Buffer Figure 3b. Differential Swing 10 hbwhelp@micrel.com SY58603U M9999-082707-B or (408) 955-1690 ...

Page 11

... Micrel, Inc. Input Interface Applications Figure 4a. CML Interface (DC-Coupled) Option: May connect Figure 4d. LVPECL Interface (AC-Coupled) August 2007 Figure 4b. CML Interface (AC-Coupled) Figure 4e. LVDS Interface 11 SY58603U Figure 4c. LVPECL Interface (DC-Coupled) M9999-082707-B hbwhelp@micrel.com or (408) 955-1690 ...

Page 12

... HBW Solutions New Products and Termination Application Notes August 2007 Figure 5b. CML DC-Coupled Termination Figure 5c. CML AC-Coupled Termination Data Sheet Link http://www.micrel.com/page.do?page=/product- info/products/sy58604u.shtml http://www.micrel.com/page.do?page=/product- info/products/sy58605u.shtml http://www.micrel.com/page.do?page=/product- info/as/HBWsolutions.shtml 12 SY58603U M9999-082707-B hbwhelp@micrel.com or (408) 955-1690 ...

Page 13

... 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. August 2007 ® 8-Pin MLF (2mm x 2mm) (MLF-8) © 2006 Micrel, Incorporated. 13 SY58603U M9999-082707-B hbwhelp@micrel.com or (408) 955-1690 ...

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