mk1714-01 Integrated Device Technology, mk1714-01 Datasheet

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mk1714-01

Manufacturer Part Number
mk1714-01
Description
Spread Spectrum Multiplier Clock
Manufacturer
Integrated Device Technology
Datasheet

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SPREAD SPECTRUM MULTIPLIER CLOCK
Description
The MK1714-01 is a low cost, high performance clock
synthesizer with selectable multipliers and percentages of
spread spectrum designed to generate high frequency
clocks with low EMI. Using analog/digital Phase Locked
Loop (PLL) techniques, the device accepts an inexpensive,
fundamental mode, parallel resonant crystal or clock input
to produce a spread or dithered output. This reduces the
EMI amplitude peaks at the odd harmonics by several dB.
The OE pin places both outputs into a high impedance state
for board level testing. The PD pin powers down the entire
chip and the outputs are held low.
See the MK1714-02 for other selections on input ranges and
spreads.
Block Diagram
IDT™ / ICS™ SPREAD SPECTRUM MULTIPLIER CLOCK
Low EM I Enable
Crystal or
Clock
Input
S4:0
PD
X 1
X 2
5
O scillator
Crystal
XSEL
1
G ND
Features
V DD
Packaged in 20 pin tiny SSOP
Operating voltage of 3.3V or 5V
Multiplier modes of x1, x2, x3, x4, x5, and x6
Inexpensive 10 - 25 MHz crystal or clock input
OE pin tri-states the outputs for board testing
Power down pin stops the outputs low
Selectable frequency spread
Spread can be turned on or off
Advanced, low power CMOS process
Duty cycle of 40/60
Industrial temperature range available
Available in Pb (lead) free package
Input frequency of 5 - 140 MHz (depending on mode)
Output frequency of 20 - 150 MHz (depending on mode)
and Spread
2
PLL Clock
4
Spectrum
M ultiplier
Circuitry
O E (both outputs)
Clock Out
REF
MK1714-01
DATASHEET
MK1714-01
REV J 061305

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mk1714-01 Summary of contents

Page 1

... SPREAD SPECTRUM MULTIPLIER CLOCK Description The MK1714- low cost, high performance clock synthesizer with selectable multipliers and percentages of spread spectrum designed to generate high frequency clocks with low EMI. Using analog/digital Phase Locked Loop (PLL) techniques, the device accepts an inexpensive, fundamental mode, parallel resonant crystal or clock input to produce a spread or dithered output ...

Page 2

... Note: When changing the input frequency, the LEE pin must be set low for minimum of 10µs to allow the PLL to lock to the new frequency. Alternatively, the PD pin may be set low while changing frequencies. IDT™ / ICS™ SPREAD SPECTRUM MULTIPLIER CLOCK REF OE PD GND GND LEE XSEL Pin Description 2 SSCG MK1714-01 REV J 061305 ...

Page 3

... Amount (%) C ±1.25 C ±0 ±1 C ±1 C ±0.5 DC +0.25, -1.25 DC +0. ±1 C ±0.5 DC +0.5, -1 +0.5, -1.5 DC +0.5, -1.5 D -2.5 DC +0.5, -1 -1.5 C ±0.5 DC +0.25, -1. +0. +0. ±1 C ±1 C ±1 C ±1 DC +0.25, -1.25 DC +0.5, -1.5 DC +0. +0.5, -1.5 MK1714-01 REV J 061305 SSCG ...

Page 4

... MK1714-01 input signal should not be applied to X1 until VDD is stable (within 10% of its final value). This requirement can be easily met by operating the MK1714-01 and the X1 source from the same power supply. This requirement is not applicable if a crystal is used. ...

Page 5

... SPREAD SPECTRUM MULTIPLIER CLOCK Absolute Maximum Ratings Stresses above the ratings listed below can cause permanent damage to the MK1714-01. These ratings, which are standard values for ICS 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 6

... Conditions θ Still air JA θ 1 m/s air flow JA θ 3 m/s air flow JA θ SSCG Min. Typ. Max. Units 10 25 MHz 10 150 MHz 1 ±150 200 MHz 1 ppm Min. Typ. Max. Units °C/W 135 °C/W 93 °C/W 78 °C/W 60 MK1714-01 REV J 061305 ...

Page 7

... Pb (lead) free package. 5. Bottom marking: (origin). Origin = country of origin of not USA. IDT™ / ICS™ SPREAD SPECTRUM MULTIPLIER CLOCK Marking Diagram 11 10 Marking Diagram (MK1714-01RI MK1714-01RI ####### YYWW 1 10 (MK1714-01RILF MK171401RIL ####### YYWW 1 10 MK1714-01 ...

Page 8

... MK1714-01RI MK1714-01RITR see page 7 MK1714-01RLF MK1714-01RLFTR MK1714-01RILF MK1714-01RLIFTR Parts that are ordered with a "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 Circuit Systems (ICS) 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 ...

Page 9

... MK1714-01 SPREAD SPECTRUM MULTIPLIER CLOCK 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. 6024 Silver Creek Valley Road San Jose, CA 95138 United States 800 345 7015 +408 284 8200 (outside U.S.) © ...

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