November 2006

ASM3P2872A

rev 1.7

Low Power Peak EMI Reducing Solution

2 of 12

Notice: The information in this document is subject to change without notice.

XOUT

1

2

3

4

5

6

ASM3P2872A

REFOUT

XIN/CLKIN

VDD

ModOUT

VSS

Pin Configuration (6-pin TSOT-23 Package)

Pin Description

Pin#

Pin Name

Type

Description

1

REFOUT

O

Buffered output of the input frequency.

2

XOUT

O

Crystal connection. If using an external reference, this pin must be left unconnected.

3

XIN/CLKIN

I

Crystal connection or external reference frequency input. This pin has dual functions. It

can be connected either to an external crystal or an external reference clock.

4

VDD

P

Power supply for the entire chip

5

ModOUT

O

Spread spectrum clock output.

6

VSS

P

Ground connection.