MK2059-01SILFTR IDT, Integrated Device Technology Inc, MK2059-01SILFTR Datasheet

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Integrated Circuits (ICs)/
Clock/Timing - Clock Generators, PLLs, Frequency Synthesizers/
MK2059-01SILFTR

MK2059-01SILFTR
Manufacturer Part Number	MK2059-01SILFTR
Description	IC VCXO CLK JITTER ATTEN 20-SOIC
Manufacturer	IDT, Integrated Device Technology Inc
Type	Clock Frequency Translator
MK2059-01SILFTR datasheets	1. MK2059-01SILFTR.pdf (11 pages)

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Specifications of MK2059-01SILFTR
Pll	Yes	Input	Clock
Output	CMOS	Number Of Circuits	1
Ratio - Input:output	2:1	Differential - Input:output	No/No
Frequency - Max	25.92MHz	Divider/multiplier	No/Yes
Voltage - Supply	3.15 V ~ 3.45 V	Operating Temperature	-40°C ~ 85°C
Mounting Type	Surface Mount	Package / Case	20-SOIC
Frequency-max	24.704MHz	Lead Free Status / RoHS Status	Lead free / RoHS Compliant

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VCXO-BASED FRAME CLOCK FREQUENCY TRANSLATOR

Description

The MK2059-01 is a VCXO (Voltage Controlled Crystal

Oscillator) based clock generator that produces common

telecommunications reference frequencies. The output

clock is phase locked to an 8kHz (frame rate) input

reference clock. The MK2059-01 also provides jitter

attenuation. Included in the selection of output frequencies

are these common system clocks:

1.544 MHz (T1)

2.048 (E1)

19.44 MHz (OC-3)

16.384 MHz (8x E1)

This monolithic IC, combined with an external inexpensive

quartz crystal, can be used to replace a more costly hybrid

VCXO retiming module. Through selection of external loop

filter components, the PLL loop bandwidth and damping

factor can be tailored to meet input clock jitter attenuation

requirements. A loop bandwidth down to the Hz range is

possible

Block Diagram

ICLK2

8kHz Ref Input

ICLK1

8kHz Ref Input

ISEL

SEL2:0

IDT™ VCXO-BASED FRAME CLOCK FREQUENCY TRANSLATOR

Features

•

Generates T1, E1, OC-3 and other common telecom

clock frequencies from an 8kHz frame clock

•

Configurable jitter attenuation characteristics, excellent

for use as a Stratum source de-jitter circuit

•

2:1 Input MUX for input reference clocks

•

VCXO-based clock generation offers very low jitter and

phase noise generation

•

Output clock is phase and frequency locked to the

selected input reference clock

•

Fixed input to output phase relationship (except for 1.544

MHz and 2.048 MHz output selections)

•

+115ppm minimum crystal frequency pullability range,

using recommended crystal

•

Industrial temperature range

•

Low power CMOS technology

•

20 pin SOIC package

•

Single 3.3V power supply

•

Pb (lead) free package

Pullable Crystal

ISET

Phase

Detector

Charge

Pump

Feedback

CHGP

VIN

DATASHEET

MK2059-01

VDD

Output

VCXO

Divider

GND

MK2059-01

REV H 051310

CLK

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MK2059-01SILFTR Summary of contents
Page 1 ... VCXO-BASED FRAME CLOCK FREQUENCY TRANSLATOR Description The MK2059- VCXO (Voltage Controlled Crystal Oscillator) based clock generator that produces common telecommunications reference frequencies. The output clock is phase locked to an 8kHz (frame rate) input reference clock. The MK2059-01 also provides jitter attenuation. Included in the selection of output frequencies are these common system clocks: 1 ... Page 2 ... VCXO AND SYNTHESIZER Output SEL2 SEL1 SEL0 Clock (MHz 1.544 2.048 16.384 17.664 18.528 20. 25. 25. 19. 20. 24.704 24.576 0 = GND VDD Floating Pin Description MK2059-01 Crystal Used (MHz) 24.704 24.576 16.384 17.664 18.528 20.00 25.00 25.92 19.44 20.48 24.704 24.576 REV H 051310 ... Page 3 ... Table on Page 2. Most typical PLL clock devices use an internal VCO (Voltage Controlled Oscillator) for output clock generation. By using a VCXO with an external crystal, the MK2059-01 is able to generate a low jitter, low phase-noise output clock within a low bandwidth PLL. This serves to provide input clock jitter attenuation and enables stable operation with a low frequency reference clock ... Page 4 ... M 0.1 F 120 k 1.0 M 0.1 F 120 k 1.0 M 0.1 F 120 k 1.0 M 0.1 F 120 k 1.0 M 0.1 F 120 k 1 VCXO AND SYNTHESIZER C Loop Damping P Bandwidth Factor (-3dB point) 4 1.4 4 1.4 4 1.7 4 1.7 4 1.6 4 1.6 4 1.4 4 1.4 4 1.6 4 1.6 4 1.4 4 1.4 MK2059-01 REV H 051310 ... Page 5 ... VDD and the PCB ground plane. To further guard against interfering system supply noise, the in loop filter (Farads) MK2059-01 should use one common connection to the PCB power plane as shown in the diagram on the next page. The ferrite bead and bulk capacitor help reduce lower frequency ... Page 6 ... Other signal traces should be routed away from the MK2059-01. This includes signal traces just underneath the device layers adjacent to the ground plane layer used by the device. ... Page 7 ... G Absolute Maximum Ratings Stresses above the ratings listed below can cause permanent damage to the MK2059-01. These ratings, which are standard values for IDT commercially rated parts, are stress ratings only. Functional operation of the device at these or any other conditions above those indicated in the operational sections of the specifications is not implied. ... Page 8 ... Symbol Conditions VDD IDD Clock outputs unloaded, VDD = 3. VDD OUT 8 VCXO AND SYNTHESIZER Typ. Max. Units +85 C +3.3 +3.45 V Min. Typ. Max. Units 3.15 3.3 3. VDD-0 0.8 V VDD/2+1 V VDD/2-1 V -10 +10 A -10 + VDD-0.4 V 2.4 V 0.4 V ± VDD V 20 MK2059-01 REV H 051310 ... Page 9 ... MHz Referenced to jf Mitel/Zarlink MT9045, Note 3 t Referenced to jf Mitel/Zarlink MT9045, Note 3 9 VCXO AND SYNTHESIZER Min. Typ. Max. Units -115 +115 ppm 13.5 27 MHz 0 ppm 1 150 ps p-p 227 ps p-p 170 ps p-p MK2059-01 REV H 051310 ... Page 10 ... Part / Order Number Marking MK2059-01SILF MK2059-01SILF MK2059-01SILFTR MK2059-01SILF "LF" suffix to the part number are the Pb-Free configuration and are RoHS compliant. While the information presented herein has been checked for both accuracy and reliability, Integrated Device Technology (IDT) assumes no responsibility for either its use or for the infringement of any patents or other rights of third parties, which would result from its use. No other circuits, patents, or licenses are implied ... Page 11 ... MK2059-01 VCXO-BASED FRAME CLOCK FREQUENCY TRANSLATOR Innovate with IDT and accelerate your future networks. Contact: www.IDT.com For Sales 800-345-7015 408-284-8200 Fax: 408-284-2775 Corporate Headquarters Integrated Device Technology, Inc. www.idt.com © 2006 Integrated Device Technology, Inc. All rights reserved. Product specifications subject to change without notice. IDT and the IDT logo are trademarks of Integrated Device Technology, Inc ...

MK2059-01SILFTR Summary of contents

Page 1
... VCXO-BASED FRAME CLOCK FREQUENCY TRANSLATOR Description The MK2059- VCXO (Voltage Controlled Crystal Oscillator) based clock generator that produces common telecommunications reference frequencies. The output clock is phase locked to an 8kHz (frame rate) input reference clock. The MK2059-01 also provides jitter attenuation. Included in the selection of output frequencies are these common system clocks: 1 ...
Page 2
... VCXO AND SYNTHESIZER Output SEL2 SEL1 SEL0 Clock (MHz 1.544 2.048 16.384 17.664 18.528 20. 25. 25. 19. 20. 24.704 24.576 0 = GND VDD Floating Pin Description MK2059-01 Crystal Used (MHz) 24.704 24.576 16.384 17.664 18.528 20.00 25.00 25.92 19.44 20.48 24.704 24.576 REV H 051310 ...
Page 3
... Table on Page 2. Most typical PLL clock devices use an internal VCO (Voltage Controlled Oscillator) for output clock generation. By using a VCXO with an external crystal, the MK2059-01 is able to generate a low jitter, low phase-noise output clock within a low bandwidth PLL. This serves to provide input clock jitter attenuation and enables stable operation with a low frequency reference clock ...
Page 4
... M 0.1 F 120 k 1.0 M 0.1 F 120 k 1.0 M 0.1 F 120 k 1.0 M 0.1 F 120 k 1.0 M 0.1 F 120 k 1 VCXO AND SYNTHESIZER C Loop Damping P Bandwidth Factor (-3dB point) 4 1.4 4 1.4 4 1.7 4 1.7 4 1.6 4 1.6 4 1.4 4 1.4 4 1.6 4 1.6 4 1.4 4 1.4 MK2059-01 REV H 051310 ...
Page 5
... VDD and the PCB ground plane. To further guard against interfering system supply noise, the in loop filter (Farads) MK2059-01 should use one common connection to the PCB power plane as shown in the diagram on the next page. The ferrite bead and bulk capacitor help reduce lower frequency ...
Page 6
... Other signal traces should be routed away from the MK2059-01. This includes signal traces just underneath the device layers adjacent to the ground plane layer used by the device. ...
Page 7
... G Absolute Maximum Ratings Stresses above the ratings listed below can cause permanent damage to the MK2059-01. These ratings, which are standard values for IDT commercially rated parts, are stress ratings only. Functional operation of the device at these or any other conditions above those indicated in the operational sections of the specifications is not implied. ...
Page 8
... Symbol Conditions VDD IDD Clock outputs unloaded, VDD = 3. VDD OUT 8 VCXO AND SYNTHESIZER Typ. Max. Units +85 C +3.3 +3.45 V Min. Typ. Max. Units 3.15 3.3 3. VDD-0 0.8 V VDD/2+1 V VDD/2-1 V -10 +10 A -10 + VDD-0.4 V 2.4 V 0.4 V ± VDD V 20 MK2059-01 REV H 051310 ...
Page 9
... MHz Referenced to jf Mitel/Zarlink MT9045, Note 3 t Referenced to jf Mitel/Zarlink MT9045, Note 3 9 VCXO AND SYNTHESIZER Min. Typ. Max. Units -115 +115 ppm 13.5 27 MHz 0 ppm 1 150 ps p-p 227 ps p-p 170 ps p-p MK2059-01 REV H 051310 ...
Page 10
... Part / Order Number Marking MK2059-01SILF MK2059-01SILF MK2059-01SILFTR MK2059-01SILF "LF" suffix to the part number are the Pb-Free configuration and are RoHS compliant. While the information presented herein has been checked for both accuracy and reliability, Integrated Device Technology (IDT) assumes no responsibility for either its use or for the infringement of any patents or other rights of third parties, which would result from its use. No other circuits, patents, or licenses are implied ...
Page 11
... MK2059-01 VCXO-BASED FRAME CLOCK FREQUENCY TRANSLATOR Innovate with IDT and accelerate your future networks. Contact: www.IDT.com For Sales 800-345-7015 408-284-8200 Fax: 408-284-2775 Corporate Headquarters Integrated Device Technology, Inc. www.idt.com © 2006 Integrated Device Technology, Inc. All rights reserved. Product specifications subject to change without notice. IDT and the IDT logo are trademarks of Integrated Device Technology, Inc ...

MK2059-01SILFTR

MK2059-01SILFTR

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Specifications of MK2059-01SILFTR

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MK2059-01SILFTR Summary of contents

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