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SY56216R Datasheet, PDF (1/11 Pages) Micrel Semiconductor – Low Voltage 1.2V/1.8V/2.5V CML Dual Channel Buffer 4.5GHz/6.4Gbps with Equalization | |||
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SY56216R
Low Voltage 1.2V/1.8V/2.5V CML Dual
Channel Buffer 4.5GHz/6.4Gbps with
Equalization
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 Micrelâs 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 9â, 18â or 27â 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
(â40°C to +85°C). The SY56216R is part of Micrelâs high-
speed, Precision Edge® product line.
Datasheets and support documentation can be found on
Micrelâs web site at: www.micrel.com.
Functional Block Diagram
Features
Precision Edge®
⢠1.2V/1.8V/2.5V CML Dual Channel Buffer
⢠Guaranteed AC performance over temperature and
voltage:
â DC-to > 6.4Gbps Data throughput
â DC-to > 4.5GHz Clock throughput
â <280ps propagation delay (IN-to-Q)
â <20ps within-device skew
â <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: â40°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
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
November 2010
M9999-111810-A
hbwhelp@micrel.com or (408) 955-1690
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