sy58025u Micrel Semiconductor, sy58025u Datasheet

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sy58025u

Manufacturer Part Number
sy58025u
Description
Sy58025u Ultra Precision Dual 2 1 Cml Mux With Internal I/o Termination
Manufacturer
Micrel Semiconductor
Datasheet

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sy58025uMG
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MICREL
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Micrel, Inc.
AnyGate and Precision Edge are registered trademarks of Micrel, Inc.
MicroLeadFrame and MLF are registered trademarks of Amkor Technology, Inc.
M9999-082707
hbwhelp@micrel.com or (408) 955-1690
FEATURES
APPLICATIONS
FUNCTIONAL BLOCK DIAGRAM
Two independent differential 2:1 multiplexers
Guaranteed AC performance over temperature and
voltage:
• DC-to >10.7Gbps data rate throughput
• <290ps IN-to-Out t
• <70ps t
Unique, patent-pending input isolation design
minimizes crosstalk
Ultra-low jitter design:
• <1ps
• <10ps
• <10ps
• <0.7ps
Unique, patent-pending 50ý input termination and
VT pin accepts DC-coupled and AC-coupled inputs
(CML, LVDS, PECL)
Typical 400mV CML output swing (R
Internal 50ý input termination
Power supply 2.5V ±5% or 3.3V ±10%
–40°C to +85°C temperature range
Available in 32-pin (5mm ∞ ∞ ∞ ∞ ∞ 5mm) MLF
Data communication systems
All SONET OC3-OC-768 applications
All Fibre Channel applications
All GigE applications
SELA
(TTL/CMOS)
/INA0
/INA1
INA0
INA1
V
V
V
V
REF-ACA0
REF-ACA1
TA0
TA1
RMS
50Ω
50Ω
50Ω
50Ω
PP
PP
RMS
r
/ t
total jitter (clock)
deterministic jitter
random jitter
f
crosstalk-induced jitter
times
pd
0
1
MUX A
S
L
ULTRA PRECISION DUAL 2:1 CML
MUX WITH INTERNAL I/O TERMINATION
®
= 50ý)
package
/QA
QA
1
differential muxes with a guaranteed maximum data or clock
throughput of 10.7Gbps or 7GHz, respectively.
internal termination design that allows access to the
termination network through a VT pin. The device easily
interfaces to different logic standards, both AC- and DC-
coupled, without external resistor-bias and termination
networks. The result is a clean, stub-free, low jitter interface
solution. The differential CML output is optimized for 50ý
environments with internal 50ý source termination and a
400mV output swing.
is guaranteed over the full industrial temperature range
(–40°C to +85°C). The SY58025U is part of Micrel’s Precision
Edge
site at www.micrel.com.
DESCRIPTION
The SY58025U features two ultra-fast, low jitter 2:1
The SY58025U operates from a 2.5V or 3.3V supply and
All support documentation can be found on Micrel’s web
SELB
(TTL/CMOS)
/INB0
/INB1
INB0
INB1
The SY58025U differential inputs include a unique,
V
V
V
V
®
REF-ACB0
REF-ACB1
TB0
TB1
product family.
50Ω
50Ω
50Ω
50Ω
0
1
MUX B
Precision Edge
S
Rev.: D
Issue Date: August 2007
Precision Edge
Precision Edge
SY58025U
Amendment: /0
SY58025U
/QB
QB
®
®
®

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sy58025u Summary of contents

Page 1

... L The SY58025U operates from a 2.5V or 3.3V supply and is guaranteed over the full industrial temperature range (–40°C to +85°C). The SY58025U is part of Micrel’s Precision ® Edge product family. ® package All support documentation can be found on Micrel’ ...

Page 2

... Ground: Ground pin and exposed pad must be connected to the same ground plane. Not connected. 2 Precision Edge Operating Package Range Marking Industrial SY58025U Industrial SY58025U Industrial SY58025Uwith Pb-Free bar-line indicator Industrial SY58025U with Pb-Free bar-line indicator = 25°C, DC electricals only. A –1.2V. Connect to the VT pin when CC . Maximum CC ® SY58025U Lead Finish Sn-Pb Sn-Pb Pb-Free NiPdAu ...

Page 3

... See Figure 1b. 3 Precision Edge (2) ) ............... +2.375V to +2.625V CC ) .............. –40°C to +85° Min Typ 2.375 2.5 2.625 3.0 3.3 115 80 100 –1 0.1 0.2 V –1.3 V –1 ® SY58025U Max Units V 3.6 V 140 mA 120 ý 60 ý –0 1 1.28 V –1 uses 4- JB ...

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 (7) = 100ý across each output pair, or equivalent, unless otherwise stated. L Condition See Figure 1a. See Figure 1b. (7) Condition 4 Precision Edge SY58025U Min Typ Max Units V –0.020 325 400 ...

Page 5

... T is the time between rising edges of the output 12 output edges will deviate by more than the SELA SELB ® SY58025U Max Units Gbps GHz 290 ps 400 100 RMS RMS ...

Page 6

... INB0, INB1 /INB0, /INB1 QB /QB SELA QA /QA SELB QB /QB M9999-082707 hbwhelp@micrel.com or (408) 955-1690 , IN 400mV (Typ.) OUT SELA-to- SELB-to- Precision Edge V , DIFF_IN V 800mV (Typ.) DIFF_OUT Figure 1b. Differential Voltage Swing ® SY58025U ...

Page 7

... OUTPUT FREQUENCY (GHz) 3 Ð1 PRBS) Ð1 PRBS) 7 Precision Edge SY58025U 23 25Mbps Output (2 Ð PRBS) IME (200ps/div.) 2 .2Gbps Output (2 Ð1 PRBS) IME (50ps/div.) 23 0.7Gbps Output (2 Ð PRBS) IME (25ps/div.) ® ...

Page 8

... Micrel, Inc. TYPICAL OPERATING CHARACTERISTICS V = 3.3V 25° 100ý across each pair, DC-coupled, unless otherwise stated 00MHz Clock IME (600ps/div.) GHz Clock IME (25ps/div.) M9999-082707 hbwhelp@micrel.com or (408) 955-1690 GHz Clock IME (70ps/div.) 8 ® Precision Edge SY58025U ...

Page 9

... SY58025U GND REF-AC 0.01µF Figure 3b. AC-Coupled CML Interface LVDS /IN SY58025U GND REF-AC Figure 3e. LVDS Interface 9 ® Precision Edge SY58025U V CC 50Ω GND LVPECL / SY58025U 0.01µF GND REF-AC For V = 3.3V 50Ω. CC ...

Page 10

... Data Sheet Link http://www.micrel.com/product-info/products/sy58016l.shtml http://www.micrel.com/product-info/products/sy58017u.shtml http://www.micrel.com/product-info/products/sy58018u.shtml http://www.micrel.com/product-info/products/sy58019u.shtml http://www.micrel.com/product-info/products/sy58026u.shtml http://www.micrel.com/product-info/products/sy58027u.shtml ® with Internal Input and http://www.micrel.com/product-info/products/sy58051u.shtml http://www.micrel.com/product-info/products/sy58052u.shtml www.amkor.com/products/notes_papers/MLF_AppNote_0902.pdf www.micrel.com/product-info/products/solutions.shtml 10 Precision Edge V CC 50Ω 50Ω DC Bias per application 50Ω Q GND Figure 5. CML AC-Coupled Termination ® SY58025U ...

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 SY58025U ...

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