BU2185F 데이터 시트보기 (PDF) - ROHM Semiconductor

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BU2185F

Clock generator

ROHM Semiconductor 

Multimedia ICs

•Application example

L

AGND

DGND

DVDD

36.8640MHz

H

AGND

DGND

DVDD

18.4320MHz

BU2185F

1 XTAL1 IN

2 XTAL1 OUT

3 CTRL2

4 AGND

5 DGND

6 DVDD

7 XTAL2 IN

8 XTAL2 OUT

OE 16

CTRL1 15

CLK3 14

AVDD 13

DVDD 12

CLK2 11

DVDD 10

CLK1 9

1 XTAL1 IN

2 XTAL1 OUT

3 CTRL2

4 AGND

5 DGND

6 DVDD

7 XTAL2 IN

8 XTAL2 OUT

0.1µF

OE 16

CTRL1 15

CLK3 14

AVDD 13

DVDD 12

CLK2 11

DVDD 10

CLK1 9

H : ENABLE

L : DISABLE

H : 36.864MHz

L : 18.432MHz

33.8688MHz

AVDD

DVDD

27.0000MHz

DVDD

36.8640MHz

18.4320MHz

H : ENABLE

L : DISABLE

H : 18.432MHz

33.8688MHz

AVDD

DVDD

27.0000MHz

DVDD

18.4320MHz

0.1µF

•Attached components

Since high frequencies are handles, use this IC mounted on a PC board. If used mounted by a socket, the proper

characteristics may not be able to be obtained. Be sure to connect a 0.1µF capacitor between the analog power sup-

ply and analog GND.

5

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