MK1714-01 cost, high performance clock synthesizer with selectable mul

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MK1714-01 cost, high performance clock synthesizer with selectable mul

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MK1714-01 Spread Spectrum Multiplier Clock
MK1714-01 cost, high performance clock synthesizer with selectable multipliers percentages spread spectrum designed generate high frequency clocks with EMI. Using analog/digital Phase-Locked Loop (PLL) techniques, device accepts inexpensive, fundamental mode, parallel resonant crystal, clock input produce spread, dithered, output. This reduces amplitude peaks harmonics several puts both outputs into high impedance state board level testing. powers down entire chip, outputs held low.
Packaged tiny SSOP (QSOP) Operating 3.3V Multiplier modes Inexpensive 10-25 crystal, clock input tri-states outputs testing Power down stops outputs Selectable frequency spread Spread turned Duty cycle 40/60 Advanced, power CMOS process also MK1714-02 more selections input ranges spreads
Block Diagram
S4:0 Enable Input crystal clock
Clock Multiplier Spread Spectrum Circuitry Output Buffer Clock
Crystal Oscillator
Output Buffer
XSEL
(both outputs)
1714-01
Revision 092701
Integrated Circuit Systems, Inc. Race Street Jose 295-9800 www.icst.com
MK1714-01 Spread Spectrum Multiplier Clock
Assignment
XSEL
SSOP (QSOP)
Descriptions
Name
XSEL
Type I(D) Crystal connection. Connect parallel mode crystal. Leave open clock. Crystal connection. Connect parallel mode crystal, clock. Connect VDD. Must same value other VDD. Connect VDD. Must same value other VDD. Decouple with Select number Determines multiplier spread amount table following page. Select number Determines multiplier spread amount table following page. Connect ground. Connect ground. Select number Determines multiplier spread amount table following page. Clock output which depends input, multiplier spread amount table page Connect crystal input, input. Enable. Turns spread spectrum output when high. Connect ground. Select number Determines multiplier spread amount table following page. Connect. Select number Determines multiplier spread amount table following page. Connect ground. Power Down. Turns chip when low. Outputs stop low. Leave open connect powerdown required. Output Enable. Tri-states outputs when low. Reference clock output from crystal oscillator. This clock spread.
Key: Input with internal pull-up; I(D) Input with internal pull-down; XO/XI crystal connections; output; power supply connection
1714-01
Revision 092701
Integrated Circuit Systems, Inc. Race Street Jose 295-9800 www.icst.com
MK1714-01 Spread Spectrum Multiplier Clock
Clock Output Select Table MHz)
Input Range 40-140 60-140 40-100 10-25 20-50 10-30 30-40 10-50 15-35 40-60 60-120 60-140 60-120 30-60 40-100 15-25 10-13.33 30-100 30-80 5-20 10-17 10-25 8-20 10-20 10-15 10-20 8-16 8-23 8-16 Multiplier test test test Output Range 40-140 60-140 40-80 20-50 40-80 20-60 60-80 30-150 60-140 40-60 60-120 60-140 60-120 30-60 40-100 60-100 30-40 30-100 30-80 20-80 80-136 40-100 40-100 60-120 80-120 40-80 40-80 48-138 64-128 Direction Amount ±1.25 ±0.5 ±0.5 +0.25, -1.25 +0.5, ±0.5 +0.5, -1.5 +0.5, -1.5 +0.5, -1.5 -2.5 +0.5, -1.5 -1.5 ±0.5 +0.25, -1.25 +0.5, +0.5, +0.25, -1.25 +0.5, -1.5 +0.5, +0.5, -1.5
S4:S0, connect GND, connect VDD. Direction: C=Center spread, D=Down spread, DC=Down+Center spread. Amount equals spread amount. output clock spread down lowest frequency 39.60 MHz. Contact with your exact output frequency details spread direction amount.
1714-01
Revision 092701
Integrated Circuit Systems, Inc. Race Street Jose 295-9800 www.icst.com
MK1714-01 Spread Spectrum Multiplier Clock
Electrical Specifications
Parameter Conditions Minimum Typical Maximum Units
ABSOLUTE MAXIMUM RATINGS (note Supply voltage, Referenced Inputs Clock Outputs Referenced -0.5 Ambient Operating Temperature Soldering Temperature seconds Storage temperature CHARACTERISTICS (VDD 3.3V unless noted) Operating Voltage, Input High Voltage, Select inputs, Input Voltage, Select inputs, Output High Voltage, VDD=3.3V, IOH=-8mA Output Voltage, VDD=3.3V, IOL=8mA Output High Voltage, VOH, IOH=-8mA VDD-0.4 Operating Supply Current, IDD, Load, note Operating Supply Current, IDD, 3.3V Load, note Short Circuit Current, Each output Input Capacitance Except Internal Pull-up Resistor Except Internal Pull-down Resistor only CHARACTERISTICS (VDD 3.3V unless noted) Input Crystal Frequency Input Clock Frequency page Output Clocks Accuracy (synthesis error) clocks Output Clock Rise Time 2.0V, load Output Clock Fall Time 0.8V, load Output Clock Duty Cycle VDD/2 Sigma Jitter, Absolute Jitter,
VDD+0.5
±160
Notes: Stresses beyond those listed under Absolute Maximum Ratings could cause permanent damage device. Prolonged exposure levels above operating limits below Absolute Maximums affect device reliability. With clocks highest frequencies. External Components MK1714 requires minimum number external components proper operation. Decoupling capacitors 0.01µF should connected between dual (pins connected) dual (pins connected), close chip possible. series termination resistor used each clock output. crystal must connected close chip possible. crystal should fundamental mode parallel resonant. accurate tuning required, crystal capacitors should connected from pins ground ground. value these capacitors given following equation, where crystal load capacitance: Crystal caps (pF) crystal with 20pF load capacitance, caps should used. clock input used, drive into leave unconnected.
1714-01
Revision 092701
Integrated Circuit Systems, Inc. Race Street Jose 295-9800 www.icst.com
MK1714-01 Spread Spectrum Multiplier Clock
Package Outline Package Dimensions (For current dimensional specifications, JEDEC Publication 95.)
SSOP Inches 0.053 0.069 0.004 0.010 0.008 0.012 0.007 0.010 0.337 0.344 .025 0.228 0.244 0.150 0.157 0.016 0.050 Millimeters 1.35 1.75 0.10 0.25 0.20 0.30 0.19 0.25 8.56 8.74 0.65 5.79 6.20 3.81 3.99 0.41 1.27
INDEX AREA
Symbol
Ordering Information
Part/Order Number MK1714-01R MK1714-01RTR MK1714-01RI MK1714-01RITR Marking MK1714-01R MK1714-01R MK1714-01RI MK1714-01RI Package SSOP SSOP SSOP SSOP Shipping Tubes Tape Reel Tubes Tape Reel Temperature
While information presented herein been checked both accuracy reliability, Integrated Circuit Systems, Incorporated (ICS) assumes responsibility either infringement patents other rights third parties, which would result from use. other circuits, patents, licenses implied. This product intended normal commercial applications. other applications such those requiring extended temperature range, high reliability, other extraordinary environmental requirements recommended without additional processing ICS. reserves right change circuitry specifications without notice. does authorize warrant product life support devices critical medical instruments.
1714-01
Revision 092701
Integrated Circuit Systems, Inc. Race Street Jose 295-9800 www.icst.com

MK1714-01 cost, high performance clock synthesizer with selectable mul

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