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SY89536L Datasheet(PDF) 1 Page - Micrel Semiconductor

Part No. SY89536L
Description  3.3V, PRECISION, 33MHz to 500MHz PROGRAMMABLE LVPECL AND HSTL BUS CLOCK SYNTHESIZER
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Maker  MICREL [Micrel Semiconductor]
Homepage  http://www.micrel.com
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SY89536L Datasheet(HTML) 1 Page - Micrel Semiconductor

 
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DESCRIPTION
■ Integrated synthesizer plus fanout buffers, clock
dividers, and translator in a single 64-pin package
■ Accepts any reference input between 14MHz to
160MHz (single-ended or differential)
■ 33MHz to 500MHz output frequency range
■ LVPECL and HSTL outputs
■ 3.3V ±10% power supply
■ Low jitter: <50ps cycle-to-cycle
■ Low pin-to-pin skew: <50ps
■ TTL/CMOS compatible control logic
■ 3 independently programmable output frequency
banks:
• 9 differential output pairs @BankB (HSTL)
• 2 differential output pairs @BankA (LVPECL)
• 2 differential output pairs @BankC (LVPECL)
■ Available in 64-pin EPAD-TQFP
FEATURES
3.3V, PRECISION, 33MHz to 500MHz
PROGRAMMABLE LVPECL AND HSTL
BUS CLOCK SYNTHESIZER
Precision Edge™
SY89536L
APPLICATIONS
■ Servers
■ Workstations
■ Parallel processor-based systems
■ Other high-performance computing
■ Communications
1
Rev.: A
Amendment: /0
Issue Date:
June 2003
The SY89536L programmable clock synthesizer is part
of a 3.3V, high-frequency, precision PLL-based clock
synthesizer family optimized for multi-frequency, large clock-
tree applications. This device integrates the following blocks
into a single monolithic IC:
• PLL (Phase-Lock-Loop)-based synthesizer
• Fanout buffer
• Clock generator (divider)
• Logic translation (LVPECL, HSTL)
The SY89536L includes a flexible input design that
accepts any reference input; single-ended LVTTL/CMOS,
SSTL and differential LVPECL, LVDS, HSTL, and CML.
This level of integration minimizes the additive jitter and
part-to-part skew associated with the discrete alternative,
resulting in superior system-level timing as well as reduced
board space and power. For applications that must interface
to a crystal oscillator, see the SY89531L.
Data sheets and support documentation can be found on
Micrel’s web site at www.micrel.com.
PRODUCT SELECTION GUIDE
Input
Output
Device
Crystal
Reference
BankA
BankB
BankC
SY89531L*
X
LVPECL
HSTL
LVPECL
SY89532L*
X
LVPECL LVPECL LVPECL
SY89533L*
X
LVPECL
LVDS
LVPECL
SY89534L*
X
LVPECL LVPECL LVPECL
SY89535L*
X
LVPECL
LVDS
LVPECL
SY89536L
X
LVPECL
HSTL
LVPECL
*Refer to individual data sheet for details.
Precision Edge is a trademark of Micrel, Inc.
Precision Edge™


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