sy89429v Micrel Semiconductor, sy89429v Datasheet

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sy89429v

Manufacturer Part Number
sy89429v
Description
Sy89429v 5v/3.3v Programmable Frequency Synthesizer 25mhz To 400mhz
Manufacturer
Micrel Semiconductor
Datasheet

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Micrel, Inc.
■ 3.3V and 5V power supply options
■ 25MHz to 400MHz differential PECL outputs
■ 50ps peak-to-peak output jitter
■ Minimal frequency over-shoot
■ Synthesized architecture
■ Serial 3-wire interface
■ Parallel interface for power-on
■ Internal quartz reference oscillator driven by quartz
■ Application Note (AN-07) for ease of design-ins
■ Available in 28-pin PLCC and SOIC packages
■ Workstations
■ Advanced communications
■ High end consumer
■ High-performance computing
■ RISC CPU clock
■ Graphics pixel clock
■ Test equipment
■ Other high-performance processor-based
Precision Edge is a registered trademark of Micrel, Inc.
M9999-011106
hbwhelp@micrel.com or (408) 955-1690
FEATURES
APPLICATIONS
crystal
applications
5V/3.3V PROGRAMMABLE
FREQUENCY SYNTHESIZER
(25MHz to 400MHz)
1
source targeting applications that require both serial and
parallel interfaces. Its internal VCO will operate over a
range of frequencies from 400MHz to 800MHz. The
differential PECL output can be configured to be the VCO
frequency divided by 2, 4, 8 or 16. With the output configured
to divide the VCO frequency by 2, and with a 16MHz
external quartz crystal used to provide the reference
frequency, the output frequency can be specified in 1MHz
steps.
Micrel’s web site at: www.micrel.com.
DESCRIPTION
The SY89429V is a general purpose, synthesized clock
Data sheets and support documentation can be found on
Precision Edge
Rev.: J
Issue Date: January 2006
Precision Edge
Precision Edge
SY89429V
Amendment: /0
SY89429V
®
®
®

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sy89429v Summary of contents

Page 1

... PROGRAMMABLE FREQUENCY SYNTHESIZER (25MHz to 400MHz) DESCRIPTION The SY89429V is a general purpose, synthesized clock source targeting applications that require both serial and parallel interfaces. Its internal VCO will operate over a range of frequencies from 400MHz to 800MHz. The differential PECL output can be configured to be the VCO frequency divided ...

Page 2

... Marking Commercial SY89429VJC Commercial SY89429VJC Commercial SY89429VZC Commercial SY89429VZC Commercial SY89429VJZ with Pb-Free bar line indicator Pb-Free Commercial SY89429VJZ with Pb-Free bar line indicator Pb-Free Commercial SY89429VZH with Pb-Free bar line indicator Pb-Free Commercial SY89429VZH with Pb-Free bar line indicator Pb-Free = 25° ...

Page 3

... DETAILED BLOCK DIAGRAM ÷ 10pF NOTE: Pin numbers reference PLCC pinout. M9999-011106 hbwhelp@micrel.com or (408) 955-1690 +3.3V or +5.0V FREF ÷ 8 PHASE DETECTOR VCO ÷ M 400 – 800MHz INTERFACE SERIAL LOGIC PARALLEL CONFIG INFO Ω µ ÷ 3 PLL PECL FOUT ÷ N TEST ÷ ® Precision Edge SY89429V ...

Page 4

... OTHER LOOP_FILTER This is an analog I/O pin that provides the loop filter for the . _LOAD PLL. LOOP_REF This is an analog I/O pin that provides a reference voltage for the PLL ® Precision Edge SY89429V . CC1 ...

Page 5

... LOW until some time _LOAD held LOW, on the _LOAD , the parallel inputs are _LOAD must meet set-up and _DATA held HIGH, the configuration latches will _LOAD input. See the programming section for more ® SY89429V • • • ...

Page 6

... M register with the final eight bits of the data stream on the S the most significant bit is loaded first (T2, N1 and M8). When T[2:0] is set to 100 the SY89429V is placed in PLL bypass mode. In this mode the S into the M and N dividers. The N divider drives the FOUT differential pair and the M counter drives the TEST output pin ...

Page 7

... V 50 — 50 µA — –0.6 mA — –1.2 V 2.0 — 2.0 V 0.5 — 0.5 V –100 (Typ.) mA — 190 mA mA 33% 9% 14% 44% ® Precision Edge SY89429V Unit °C °C °C –2V –2V Condition — — 2. 0. –12mA –2.0mA 8mA OUT 5.0V ±5% ...

Page 8

... Test output static 20 — 20 — — 20 — 20 — 20 — 20 — 20 — — 20 — 20 — 20 — 50 — 50 — — 50 — 800 300 800 ps ® Precision Edge SY89429V Condition Fundamental Cyrstal ...

Page 9

... Micrel, Inc. 28-PIN SOIC .300" WIDE (Z28-1) M9999-011106 hbwhelp@micrel.com or (408) 955-1690 9 ® Precision Edge SY89429V ...

Page 10

... Micrel Products for use in life support appliances, devices or systems is at Purchaser’s own risk and Purchaser agrees to fully indemnify M9999-011106 hbwhelp@micrel.com or (408) 955-1690 + 1 (408) 474-1000 FAX WEB Micrel for any damages resulting from such use or sale. © 2006 Micrel, Incorporated. 10 Precision Edge Rev. 03 http://www.micrel.com ® SY89429V ...

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