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PDF MK1417STR Data sheet ( Hoja de datos )

Número de pieza MK1417STR
Descripción S3 Notebook Clock Source
Fabricantes MicroClock　
Logotipo MicroClock Logotipo



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PRELIMINARY INFORMATION
MK1417
S3 Notebook Clock Source
Description
Features
The MK1417 is an ideal way to generate clocks for
S3’s M5 processor. The chip is a cost reduction to
the MK1416, maintaining the functionality of the
MK1416, but with a different pinout. In an 8 pin
SOIC, the chip saves cost over separate surface
mount oscillators and increases reliability by
eliminating mechanical (quartz-based) devices
from the board. The power down pin turns off the
device, drawing less than 30µA.
MicroClock offers many other clocks for
computers and computer peripherals. Consult
MicroClock when you need to remove crystals and
oscillators from your board.
Block Diagram
• Packaged in 8 pin SOIC
• Functional, lower cost replacement of MK1416
• Differences from MK1416
- no on-chip crystal capacitors
- pinout is different
• Ideal for S3’s M5 processor
• Input clock frequency of 14.31818 MHz
• Dual buffered 14.318 MHz clock outputs
• Output clock frequency of 27.0MHz
• Power down turns off chip
• Low jitter
• 25mA drive capability at TTL levels
• 3.3V or 5V supply voltage
• Advanced, low power CMOS process
• Insensitive to input clock duty cycle
VDD GND
PD
14.31818 MHz
crystal or clock
X1/ICLK
X2
Crystal
Oscillator
PLL
Clock Synthesis
and Control
Circuitry
Output
Buffer
Output
Buffer
Output
Buffer
27.000 MHz
14.31818 MHz
14.31818 MHz
(Capacitors are required for tuning)
MDS1417B
1
Revision 12157
Printed 12/16/97
MicroClock division of ICS•1271 Parkmoor Ave.•San Jose•CA•95126•(408)295-9800tel•(408)295-9818fax

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