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BU2192F

Clock generator for personal computers

ROHM Semiconductor 

Multimedia ICs

Clock generator for personal

computers

BU2192F

The BU2192F is a clock generator IC for personal computers, and uses a single crystal resonator to generate the

three clock signals needed for personal computers.

•Applications

Personal computers

•Features

1) Clock signals of two different types can be generat-

ed with a single attached crystal generator.

2) Internal PLL loop filter, eliminating the need for an

attached component.

3) Single 5V power supply.

4) SOP 8-pin package.

•Block diagram

XTAL1

14.3181MHz

XTAL

OSC

DATA1

1/2

PLL1

CLK1

33.8680MHz

DATA2

1/4

PLL2

VREF

CLK2

24.5795MHz

1

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