Microchip SY56216R Manual

Microchip Ikke kategoriseret SY56216R

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Side 1/11
SY56216R
Low Voltage 1.2V/1.8V/2.5V CML Dual
Channel Buffer 4.5GHz/6.4Gbps with
Equalization
Precision Edge is a registered trademarks of Micrel, Inc.
Micrel Inc. • 2180 Fortune Drive • San Jose, CA 95131 • USA • tel +1 (
408) 944-0800 • fax + 1 (408) 474-1000 • http://www.micrel.com
General Description
The SY56216R is a fully-differential, low-voltage
1.2V/1.8V/2.5V CML Dual Channel Buffer with input
equalization. The SY56216R 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 (400mVpp) are applied before
the 9”, 18” or 27” FR4 transmission line. For AC-coupled
input interface applications, an internal voltage reference
is provided to bias the VT pin. The outputs are CML, with
extremely fast rise/fall times guaranteed to be less than
80ps.
The SY56216R 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 SY56216R is part of Micrel’s high-
speed, Precision Edge® product line.
Datasheets and support documentation can be found on
Micrel’s web site at: www.micrel.com.
Functional Block Diagram
Precision Edge®
Features
•1.2V/1.8V/2.5V CML Dual Channel Buffer
•Guaranteed AC performance over temperature and
voltage:
– DC-to > 6.4Gbps Data throughput
– DC-to > 4.5GHz Clock throughput
– <280ps propagation delay (IN-to-Q)
– <20ps within-device skew
– <80ps rise/fall times
•High-speed CML outputs
•2.5V ±5% VCC , 1.2/1.8V/2.5V ±5% VCCO power
supply operation
•Industrial temperature range: –40°C to +85°C
•Available in 16-pin (3mm x 3mm) QFN package
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
November 2010 M9999-111810-A
hbwhelp@micrel.com or (408) 955-1690
Micrel, Inc. SY56216R
November 2010 2 M9999-111810-A
hbwhelp@micrel.com
Ordering Information(1)
Part Number Package Type Operating Range Package Marking Lead Finish
SY56216RMG QFN-16 Industrial R216 with Pb-Free bar-line indicator NiPdAu / Pb-Free
SY56216RMGTR(2) QFN-16 Industrial R216 with Pb-Free bar-line indicator NiPdAu / Pb-Free
Notes:
1. Contact factory for die availability. Dice are guaranteed at T
A = 25°C, DC Electricals only.
2. Tape and Reel.
Pin Configuration
16-Pin QFN
Truth Table
EQ Setting EQUALIZATION FR4 6 mil Stripline
LOW 9 “
FLOAT 18”
HIGH 27”
or (408) 955-1690

Produkt Specifikationer

Mærke: Microchip
Kategori: Ikke kategoriseret
Model: SY56216R

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