HDTV CLOCK SYNTHESIZER MK2716 low-cost, jitter, high-performance
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MK2716
HDTV CLOCK SYNTHESIZER
MK2716 low-cost, jitter, high-performance clock synthesizer designed produce 74.176 74.25 clocks necessary HDTV systems. Using ICS' patented analog Phase-Locked Loop (PLL) techniques, device accepts crystal clock input. zero synthesis error exactly locks display digital stream. manufactures largest variety multimedia clock synthesizers applications. Consult eliminate crystals oscillators from your board. applications that require lower jitter, such pixel clocks, ICS664.
Features
Packaged 8-pin SOIC Available (lead) free package Input frequency Zero synthesis error output clock ±10% operating supply Ideal HDTV applications oscillator manufacturers
output drive capability levels Advanced, power, sub-micron CMOS process Operating voltage
Block Diagram
Clock Synthesis Control Circuitry
Clock Buffer
crystal clock input
74.17582418 74.2500 27.0000
2716
Revision 021605
MK2716 HDTV CLOCK SYNTHESIZER
Assignment
ICLK/X1
FREQUENCY SELECT TABLE
(MHz) 74.17582418 74.25
Descriptions
Number
Name
ICLK/X1
Type
Power Power Output Power Input Output Connect +3.3 Connect ground.
Crystal connection. Connect fundamental crystal clock.
74.17582418 74.25 clock output (see table above). Connect ground. Select determines value table above. buffered clock crystal oscillator output. Crystal connection. Connect crystal, leave unconnected clock input.
External Components
Decoupling Capacitor
with high performance mixed-signal MK2716 must isolated from system power supply noise perform optimally. decoupling capacitor 0.01µF must connected between pins must connected close MK2716 minimize lead inductance. connected external power supply filtering required MK2716. crystal should used. device crystal connections should include pads small capacitors from ground from ground. These capacitors used adjust stray capacitance board match nominally required crystal load capacitance. Because load capacitance only increased this trimming process, important keep stray capacitance minimum using very short traces (and vias) between crystal device. Crystal capacitors, needed, must connected from each pins ground. value these crystal caps should equal pF)*2. this equation, crystal load capacitance Example: crystal with load capacitance, each crystal capacitor would [(18-16)
Series Termination Resistor
terminating resistor used next clock outputs trace lengths over inch.
Crystal Load Capacitors
total on-chip capacitance approximately parallel resonant, fundamental mode,
2716
Revision 021605
MK2716 HDTV CLOCK SYNTHESIZER
Absolute Maximum Ratings
Stresses above ratings listed below cause permanent damage MK2716. These ratings, which standard values commercially rated parts, stress ratings only. Functional operation device these other conditions above those indicated operational sections specifications implied. Exposure absolute maximum rating conditions extended periods affect product reliability. Electrical parameters guaranteed only over recommended operating temperature range.
Item
Supply Voltage, Inputs Outputs Ambient Operating Temperature Storage Temperature Soldering Temperature
Rating
-0.5 VDD+0.5 +70°C +150°C 260°C
Recommended Operation Conditions
Parameter
Ambient Operating Temperature Power Supply Voltage (measured respect GND)
Min.
+3.0
Typ.
Max.
+5.5
Units
Electrical Characteristics
VDD=5 unless otherwise noted, Ambient temperature +70°C
Parameter
Operating Voltage Input High Voltage Input Voltage Output High Voltage Output Voltage Operating Supply Current Short Circuit Current Input Capacitance
Symbol
Conditions
Min.
Typ.
Max.
Units
load Each output
VDD-0.4
pins
2716
Revision 021605
MK2716 HDTV CLOCK SYNTHESIZER
Electrical Characteristics
unless otherwise noted, Ambient Temperature +70°C
Parameter
Input Frequency Frequency Error, Output Clock Output Clock Rise Time Output Clock Fall Time Output Clock Duty Cycle Maximum Absolute Jitter, short term
Symbol
Conditions
Min.
Typ.
Max. Units
Deviation from mean
Thermal Characteristics
Parameter
Thermal Resistance Junction Ambient
Symbol
Conditions
Still flow flow
Min.
Typ.
Max. Units
°C/W °C/W °C/W °C/W
Thermal Resistance Junction Case
Marking Diagram
Marking Diagram free)
MK2716S ###### YYWW
2716SLF ###### YYWW
Notes: ###### number. YYWW last digits year week that part assembled. "LF" denotes (lead) free package. Bottom marking: (origin) Origin country origin
2716
Revision 021605
MK2716 HDTV CLOCK SYNTHESIZER
Package Outline Package Dimensions (8-pin SOIC, Mil. Narrow Body)
Package dimensions kept current with JEDEC Publication
Millimeters
Inches
Symbol
INDEX AREA
1.35 1.75 0.10 0.25 0.33 0.51 0.19 0.25 4.80 5.00 3.80 4.00 1.27 BASIC 5.80 6.20 0.25 0.50 0.40 1.27
.0532 .0688 .0040 .0098 .013 .020 .0075 .0098 .1890 .1968 .1497 .1574 0.050 BASIC .2284 .2440 .010 .020 .016 .050
SEATING PLANE
(.004)
Ordering Information
Part Order Number
MK2716S MK2716STR MK2716SLF MK2716SLFTR
Marking
MK2716S MK2716S 2716SLF 2716SLF
Shipping Packaging
Tubes Tape Reel Tubes Tape Reel
Package
8-pin SOIC 8-pin SOIC 8-pin SOIC 8-pin SOIC
Temperature
+70° +70° +70° +70°
While information presented herein been checked both accuracy reliability, Integrated Circuit Systems (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.
2716
Revision 021605
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