參數(shù)資料
型號(hào): SY56011RMGTR
廠商: MICREL INC
元件分類: 時(shí)鐘及定時(shí)
英文描述: LOW SKEW CLOCK DRIVER, QCC16
封裝: 3 X 3 MM, LEAD FREE, QFN-16
文件頁數(shù): 1/12頁
文件大小: 448K
代理商: SY56011RMGTR
SY56011R
Low Voltage 1.2V/1.8V/2.5V CML 1:2
Fanout Buffer 6.4Gbps with Equalization
Preliminary
Precision Edge is a registered trademark of Micrel, Inc.
QFN 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
July 2008
M9999-070208-A
hbwhelp@micrel.com or (408) 955-1690
General Description
The SY56011R is a fully differential, low voltage
1.2V/1.8V/2.5V CML 1:2 Fanout Buffer with input
equalization. The SY56011R can process clock signals
as fast as 4.5 GHz 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 SY56011R 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 SY56011R 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 1:2 Fanout Buffer
Equalizes 9, 18, 27 inches of FR4
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)
– <15ps within-device skew
– <80ps rise/fall times
Ultra-low jitter design
– <1psRMS random jitter
High-speed CML outputs
2.5V ±5% V
CC , 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
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