MK1412 ideal generate clocks MPEG audio devices computers. device uses

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MK1412 ideal generate clocks MPEG audio devices computers. device uses

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MK1412 MPEG Audio Clock Synthesizer
MK1412 ideal generate clocks MPEG audio devices computers. device uses ICS/MicroClock's proprietary mixture analog digital Phase-Locked Loop (PLL) technology synthesize eight frequencies (four each output) from 14.31818 reference. SOIC, MK1412 save component count, board space, cost over crystals oscillators, increase reliability eliminating three expensive mechanical devices from board. offer many other clocks computers computer peripherals. Consult when need remove crystals oscillators from your board. long lead time original wafer that makes MK1412S, have retooled call part MK1412A. functional parameters same better than original part.
Packaged SOIC Input crystal clock frequency 14.31818 Provides master MPEG clocks kHz, 44.1 kHz, sampling rates Output clock frequencies 256x 512x audio sampling rates compatible with most DACs jitter Full CMOS output swing with 25mA drive capability levels 3.3V 5V±10% supply voltage Advanced, power CMOS process version newest version more advanced manufacturing process
Block Diagram
Output Buffer Clock Synthesis Control Circuitry Output Buffer
14.31818 crystal clock
Crystal Oscillator
CLK/2
Revision 060200 Printed 11/15/00 Integrated Circuit Systems, Race Jose (408)295-9800tel
1412
MK1412 MPEG Audio Clock Synthesizer
Assignment
CLK/2 Audio Clock Outputs Select Table (MHz)
16.384 22.5792 24.576 49.152 CLK/2 8.192 11.2896 12.288 24.576 Accuracy
SOIC
Descriptions
Number Name CLK/2 Type Description Crystal Connection. Connect 14.31818 crystal clock. Connect +3.3V +5V. Connect ground. Audio Clock divide output table above. Frequency Select Input. Determines CLK/2 outputs table above. Frequency Select Input. Determines CLK/2 outputs table above. Audio Clock output table above. Crystal Connection 14.31818 crystal, leave unconnected clock input.
Key: Input, output, power supply connection
External Components/Crystal Selection
minimum number external components required proper oscillation. crystal input, load capacitor connected each pins ground, parallel resonant 14.31818 crystal recommended. value each crystal load capacitor should equal -18)*2, where crystal's load (correlation) capacitance crystals with load capacitance less), extra capacitors needed. frequency tolerance crystal should 50ppm better. clock input, connect leave unconnected. decoupling capacitor 0.1µF should connected between pins terminating resistor used clock outputs trace longer than inch.
Revision 060200 Printed 11/15/00 Integrated Circuit Systems, Race Jose (408)295-9800tel
1412
MK1412 MPEG Audio Clock Synthesizer
Electrical Specifications
Parameter Supply Voltage, Inputs Clock Outputs Ambient Operating Temperature Soldering Temperature Storage temperature Operating Voltage, Input High Voltage, VIH, input clock only Input Voltage, VIL, input clock only Output High Voltage, Output High Voltage, Output Voltage, Operating Supply Current, IDD, Operating Supply Current, IDD, 3.3V Input Capacitance Input Clock Crystal Frequency Input Crystal Accuracy Accuracy (synthesis error) Input Clock Duty Cycle Output Clock Rise Time Output Clock Fall Time Output Clock Duty Cycle Absolute Clock Period Jitter Sigma Clock Period Jitter Conditions Referenced Referenced Referenced seconds (VDD/2)+1 VDD-0.4 14.31818 With exact crystal Time above VDD/2 2.0V 0.8V Time above VDD/2 page Minimum Typical Maximum VDD+.5V VDD+.5V VDD/2 VDD/2 (VDD/2)-1 Units
ABSOLUTE MAXIMUM RATINGS (note
-0.5 -0.5
CHARACTERISTICS 5.0V unless otherwise noted)
Clock input Clock input IOH=-4mA IOH=-25mA IOL=25mA Load Load pins
CHARACTERISTICS 5.0V unless otherwise noted)
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. Typical values 25°C.
Revision 060200 Printed 11/15/00 Integrated Circuit Systems, Race Jose (408)295-9800tel
1412
MK1412 MPEG Audio Clock Synthesizer
Package Outline Package Dimensions (For current dimensional specifications, JEDEC Publication 95.) SOIC
Symbol
INDEX AREA
Inches 0.0532 0.0688 0.0040 0.0098 0.0130 0.0200 0.0075 0.0098 0.1890 0.1968 0.1497 0.1574 .050 0.2284 0.2440 0.0099 0.0195 0.0160 0.0500
Millimeters 1.35 1.75 0.10 0.24 0.33 0.51 0.19 0.24 4.80 5.00 3.80 4.00 1.27 5.80 6.20 0.25 0.50 0.41 1.27
Ordering Information
Part/Order Number MK1412A MK1412ATR MK1412S MK1412STR Marking MK1412A MK1412A MK1412S MK1412S Package SOIC tape reel SOIC tape reel Temperature 0-70°C 0-70°C 0-70°C 0-70°C
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.
Revision 060200 Printed 11/15/00 Integrated Circuit Systems, Race Jose (408)295-9800tel
1412

MK1412 ideal generate clocks MPEG audio devices computers. device uses

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