mk1412 Holt Integrated Circuits, Inc., mk1412 Datasheet

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mk1412

Manufacturer Part Number
mk1412
Description
Mpeg Audio Clock Synthesizer
Manufacturer
Holt Integrated Circuits, Inc.
Datasheet

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MDS 1412 B
Integrated Circuit Systems, Inc.• 525 Race Street• San Jose • CA • 95126• (408)295-9800tel •www.icst.com
The MK1412 is the ideal way to generate clocks
for MPEG audio devices in computers. The device
uses ICS/MicroClock’s proprietary mixture of
analog and digital Phase-Locked Loop (PLL)
technology to synthesize one of eight frequencies
(four on each output) from the 14.31818 MHz
reference. In an 8 pin SOIC, the MK1412 can save
component count, board space, and cost over
crystals and oscillators, and increase reliability by
eliminating three expensive mechanical devices
from the board.
We offer many other clocks for computers and
computer peripherals. Consult us when you need
to remove crystals and oscillators from your board.
Due to a long lead time in the original wafer fab
that makes the MK1412S, we have retooled the
die and now call the part the MK1412A. All
functional parameters are the same as or better
than the original part.
Description
Block Diagram
14.31818 MHz
crystal or clock
S1, S0
X1
X2
Oscillator
VDD GND
Crystal
2
Clock Synthesis
and Control
Circuitry
PLL
1
Features
• Packaged in 8 pin SOIC
• Input crystal or clock frequency of 14.31818 MHz
• Provides master MPEG clocks for 32 kHz,
• Output clock frequencies of 256x and 512x of the
• Low jitter
• Full CMOS output swing with 25mA drive
• 3.3V or 5V±10% supply voltage
• Advanced, low power CMOS process
• The A version is the newest version in a more
MPEG Audio Clock Synthesizer
44.1 kHz, 48 kHz and 96 kHz sampling rates
audio sampling rates compatible with most DACs
capability at TTL levels
advanced manufacturing process
÷ 2
Output
Output
Buffer
Buffer
Revision 060200
CLK
CLK/2
MK1412
Printed 11/15/00

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mk1412 Summary of contents

Page 1

... Phase-Locked Loop (PLL) technology to synthesize one of eight frequencies (four on each output) from the 14.31818 MHz reference pin SOIC, the MK1412 can save component count, board space, and cost over crystals and oscillators, and increase reliability by eliminating three expensive mechanical devices from the board ...

Page 2

... Integrated Circuit Systems, Inc.• 525 Race Street• San Jose • CA • 95126• (408)295-9800tel •www.icst.com MPEG Audio Clock Synthesizer Audio Clock Outputs Select Table (MHz CLK CLK CLK/2 Accuracy 16.384 8.192 1 ppm 22.5792 11.2896 25 ppm 24.576 12.288 1 ppm 49.152 24.576 1 ppm Revision 060200 MK1412 Printed 11/15/00 ...

Page 3

... Clock input (VDD/2)+1 Clock input IOH=-4mA VDD-0.4 IOH=-25mA 2.4 IOL=25mA No Load No Load S0, S1 pins With exact crystal Time above VDD/2 20 0.8 to 2.0V 2.0 to 0.8V Time above VDD MK1412 Typical Maximum Units 7 V VDD+.5V V VDD+. °C 260 °C 150 °C 5.5 V VDD/2 ...

Page 4

... Integrated Circuit Systems, Inc.• 525 Race Street• San Jose • CA • 95126• (408)295-9800tel •www.icst.com MPEG Audio Clock Synthesizer 45° C Marking Package MK1412A 8 pin SOIC MK1412A Add tape and reel MK1412S 8 pin SOIC MK1412S Add tape and reel 4 MK1412 8 pin SOIC Inches Inches Millimeters Millimeters Symbol ...

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