SY89532L Datasheet: PROGRAMMABLE LVPECL AND LVDS BUS CLOCK SYNTHESIZER





SY89532L PROGRAMMABLE LVPECL AND LVDS BUS CLOCK SYNTHESIZER Datasheet

Part Number SY89532L
Description PROGRAMMABLE LVPECL AND LVDS BUS CLOCK SYNTHESIZER
Manufacture Micrel Semiconductor
Total Page 15 Pages
PDF Download Download SY89532L Datasheet PDF

Features: Micrel, Inc. 3.3V, PRECISION, 33MHz to 500MHz PROGRAMMABLE LVPECL AND LVDS BUS CLOCK SYNTHESIZER PrecisPiroecnSiYsEi 8o9dn5g3Ee2d/®g33eL® SY89532L SY89533 L FEATURES Integrated synthesizer plu s fanout buffers, clock drivers , and t ranslator in a single 64-pin package 3. 3V ±10% power supply Low jitter: <50ps cycle-to-cycle Low pin-to-pin skew: <5 0ps 33MHz to 500MHz output frequency ra nge Direct interface to crystal: 14MHz to 18MHz LVPECL output (SY89532L), LVPE CL/LVDS outputs (SY89533L) TTL/CMOS com patible control logic 3 independently p rogrammable output frequency banks: • 9 differential output pairs @BankB (LV PECL/LVDS) • 2 differential output pa irs @BankA (LVPECL) • 2 differential output pairs @BankC (LVPECL) ExtVCO inp ut allows synthesizer and crystal inter face to be bypassed Available in 64-pin EPAD-TQFP Precision Edge® DESCRIPTIO N The SY89532 and SY89533L programmable clock synthesizer/drivers are a 3.3V, high-frequency, precision PLLbased clock driver family optimized for mult.

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Micrel, Inc.
3.3V, PRECISION, 33MHz to 500MHz
PROGRAMMABLE LVPECL AND
LVDS BUS CLOCK SYNTHESIZER
PrecisPiroecnSiYsEi8o9dn5g3Ee2d/®g33eL®
SY89532L
SY89533L
FEATURES
Integrated synthesizer plus fanout buffers, clock
drivers , and translator in a single 64-pin package
3.3V ±10% power supply
Low jitter: <50ps cycle-to-cycle
Low pin-to-pin skew: <50ps
33MHz to 500MHz output frequency range
Direct interface to crystal: 14MHz to 18MHz
LVPECL output (SY89532L),
LVPECL/LVDS outputs (SY89533L)
TTL/CMOS compatible control logic
3 independently programmable output frequency
banks:
• 9 differential output pairs @BankB (LVPECL/LVDS)
• 2 differential output pairs @BankA (LVPECL)
• 2 differential output pairs @BankC (LVPECL)
ExtVCO input allows synthesizer and crystal
interface to be bypassed
Available in 64-pin EPAD-TQFP
Precision Edge®
DESCRIPTION
The SY89532 and SY89533L programmable clock
synthesizer/drivers are a 3.3V, high-frequency, precision PLL-
based clock driver family optimized for multi-frequency, multi-
processor server and synchronous computing applications
that require the highest precision. These devices integrate the
following blocks into a single monolithic IC:
• PLL (Phase-Lock-Loop)-based synthesizer
• Fanout buffers
• Clock generator (dividers)
• Logic translation (LVPECL, LVDS)
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 reference clock, see the SY89534/5.
APPLICATIONS
Servers
Workstations
Parallel processor-based systems
Other high-performance computing
Communications
PRODUCT SELECTION GUIDE
Input
Output
Device
Crystal Reference BankA BankB BankC
SY89532L
X
LVPECL LVPECL LVPECL
SY89533L
SY89534L(1)
SY89535L(1)
X
LVPECL LVDS LVPECL
X LVPECL LVPECL LVPECL
X LVPECL LVDS LVPECL
Note:
1.Refer to SY89534/35L data sheet for details.
Precision Edge is a registered trademark of Micrel, Inc.
M9999-010808
hbwhelp@micrel.com or (408) 955-1690
1
Rev.: F Amendment: /0
Issue Date: January 2008

                    
                    






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