sy89533l Micrel Semiconductor, sy89533l Datasheet

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sy89533l

Manufacturer Part Number
sy89533l
Description
3.3v, Precision, 33mhz To 500mhz Programmable Lvpecl And Lvds Bus Clock Synthesizer
Manufacturer
Micrel Semiconductor
Datasheet

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Part Number:
sy89533lHC
Manufacturer:
Micrel Inc
Quantity:
10 000
Part Number:
sy89533lHC
Manufacturer:
MICREL
Quantity:
20 000
Part Number:
sy89533lHZ
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Micrel Inc
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Micrel Inc
Quantity:
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Micrel, Inc.
M9999-110405
hbwhelp@micrel.com or (408) 955-1690
Precision Edge is a trademark of Micrel, Inc.
FEATURES
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 outputs (SY89534L)
LVPECL and LVDS outputs (SY89535L)
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 (LVPECL/LVDS)
• 2 differential output pairs @BankA (LVPECL)
• 2 differential output pairs @BankC (LVPECL)
Available in 64-pin EPAD-TQFP
APPLICATIONS
Servers
Workstations
Parallel processor-based systems
Other high-performance computing
Communications
3.3V, PRECISION, 33MHz to 500MHz
PROGRAMMABLE LVPECL AND
LVDS BUS CLOCK SYNTHESIZER
1
synthesizers are a 3.3V, high-frequency, precision PLL-based
family optimized for multi-frequency, large clock-tree
applications that require the highest precision. These devices
integrate the following blocks into a single monolithic IC:
design that accepts any reference input; single-ended LVTTL/
CMOS, SSTL and differential LVPECL, LVDS, HSTL and
CML.
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 SY89532/33.
Micrel’s web site at www.micrel.com.
*Refer to SY89532/33L data sheet for details.
Device
SY89532L*
SY89533L*
SY89534L
SY89535L
PRODUCT SELECTION GUIDE
DESCRIPTION
The SY89534L and SY89535L programmable clock
• PLL (Phase-Lock-Loop)-based synthesizer
• Fanout buffer
• Clock generator (divider)
• Logic translation (LVPECL, LVDS)
The SY89534L and SY89535L includes a flexible input
This level of integration minimizes the additive jitter and
Data sheets and support documentation can be found on
Crystal
X
X
Input
Reference
X
X
LVPECL LVPECL LVPECL
LVPECL
LVPECL LVPECL LVPECL
LVPECL
BankA
Precision Edge
Rev.: C
Issue Date: October 2005
Precision Edge
Output
BankB
LVDS
LVDS
Precision Edge
SY89534L
SY89535L
SY89534/35L
Amendment: /0
LVPECL
LVPECL
BankC
®
®
®

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sy89533l Summary of contents

Page 1

... For applications that must interface to a crystal oscillator, see the SY89532/33. Data sheets and support documentation can be found on Micrel’s web site at www.micrel.com. PRODUCT SELECTION GUIDE Input Device Crystal SY89532L* X SY89533L* X SY89534L SY89535L *Refer to SY89532/33L data sheet for details. 1 Precision Edge ® Precision Edge SY89534/35L ...

Page 2

Micrel, Inc. PACKAGE/ORDERING INFORMATION NC* 1 NC* 2 NC* 3 VCO_SEL 4 PSEL1 5 PSEL0 6 LOOP_REF 7 64-pin LOOP_FILTER 8 EPAD-TQFP GND 9 ...

Page 3

Micrel, Inc. PIN DESCRIPTION Power Pin Number Pin Name 60 CC_Logic 62 V CCA CCO 30, 31 CCO CCO 4, 9, 25, 63, 29 GND (exposed pad) Configuration Pin ...

Page 4

Micrel, Inc. ABSOLUTE MAXIMUM RATINGS Symbol All V V Pin Potential to Ground Pin Input Voltage Output Current OUT T Lead Temperature (soldering, 20sec.) LEAD T Storage Temperature store Package Thermal Resistance (Junction-to-Ambient) JA ...

Page 5

Micrel, Inc. DC ELECTRICAL CHARACTERISTICS REFCLK (pins 10, 11) INPUT (All V Symbol Parameter V Differential Input Voltage ID V Input HIGH Voltage IH V Input LOW Voltage IL 100K LVPECL Outputs (All V pins = +3.3V 10%) CC Symbol ...

Page 6

Micrel, Inc. AC ELECTRICAL CHARACTERISTICS All V pins = +3.3V 10% CC Symbol Parameter f Reference Input Frequency IN f Output Frequency Range OUT t Internal VCO Frequency Range VCO (11) t Within Device Within Bank skew Bank-to-Bank (12) Part-to-Part ...

Page 7

Micrel, Inc. TIMING DIAGRAMS (Conditions: Internal VCO, unless otherwise stated.) VCO FSEL FOUT OUT_SYNC VCO FSEL FOUT OUT_SYNC M9999-110405 hbwhelp@micrel.com or (408) 955-1690 001 010 t OUTPUT_SYNC t SETUP_FSEL t OUTPUT_RESET t HOLD_FSEL Frequency Programming 001 010 f to VALID ...

Page 8

... PLL driven by a differential or single-ended reference input. For users who wish to supply a crystal input, please use the SY89532L or SY89533L. The PLL output is sent to three banks of outputs. Each bank has its own programmable frequency divider, and the design is optimized to provide very low skew between banks, and very low jitter ...

Page 9

Micrel, Inc. Output Logic Characteristics See “Output Termination Recommendations” for illustrations. In cases where single-ended output is desired, the designer should terminate the unused complimentary output in the same manner as the normal output that is being used. Unused LVPECL ...

Page 10

Micrel, Inc. PRE-DIVIDE FREQUENCY SELECT TABLE (PSEL) PSEL1 (MSB) PSEL0 POST-DIVIDE FREQUENCY SELECT TABLE (FSEL) (1) FSEL_A2 (MSB) FSEL_A1 ...

Page 11

Micrel, Inc. FEEDBACK DIVIDE SELECT TABLE (MSEL ...

Page 12

Micrel, Inc. INPUT INTERFACE V V CC(DRIVER) CC(534/5) TTL REFCLK LVTTL /REFCLK 2.5k SY89534L 1% SY89535L Figure 4a. 5V, 3.3V “TTL” 2.3V to 2.7V V 2.5V REFCLK LVTTL /REFCLK 2.5k SY89534L 1% SY89535L Figure 4c. 2.5V “LVTTL” REFCLK ...

Page 13

Micrel, Inc CC(DRIVER CML 130 130 1% 1% Figure 4g. CML-AC Coupled–Long Trace Lengths V DDQ 105 1% SSTL_2 100 1% Figure 4i. SSTL_2 M9999-110405 hbwhelp@micrel.com or (408) 955-1690 V CC REFCLK /REFCLK ...

Page 14

Micrel, Inc. OUTPUT TERMINATION RECOMMENDATIONS +3.3V “Source” Figure 5. PECL Parallel Termination–Thevenin Equivalent “Source” NOTES: 1. PECL Y-termination is a power-saving alternative to Thevenin termination. 2. Place termination resistors as close to destination inputs as possible resistor sets ...

Page 15

Micrel, Inc. 64-PIN EPAD-TQFP (DIE UP) (H64-1) +0.03 –0.03 +0.012 –0.012 Heat Dissipation PCB Thermal Consideration for 64-Pin EPAD-TQFP Package MICREL, INC. 2180 FORTUNE DRIVE SAN JOSE, CA 95131 USA + 1 (408) 944-0800 TEL The information furnished by Micrel ...

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