January 2007
rev 1.5
Pin Configuration (6-pin TSOT-23 Package)
ASM3P2879A
REFOUT
XOUT
1
2
6
VSS
ModOUT
VDD
ASM3P2879A
5
4
XIN/CLKIN
3
Pin Description
Pin#
1
2
3
4
5
6
Pin Name
REFOUT
XOUT
XIN/CLKIN
VDD
ModOUT
VSS
Type
O
O
I
P
O
P
Description
Buffered output of the input frequency.
Crystal connection. If using an external reference, this pin must be left unconnected.
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.
Power supply for the entire chip (3.3V)
Spread spectrum clock output.
Ground connection.
Pin Configuration (8-pin SOIC and TSSOP Packages)
XIN/CLKIN
XOUT
1
2
8
VDD
7
6
ASM3P2879A
NC
ModOUT
REFOUT
3
NC
4
5
VSS
Pin Description
Pin#
1
2
3
4
5
6
7
8
Pin Name
XIN/CLKIN
XOUT
REFOUT
NC
VSS
ModOUT
NC
VDD
Type
I
O
O
-
P
O
-
P
Description
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.
Crystal connection. If using an external reference, this pin must be left unconnected.
Buffered output of the input frequency.
No connect.
Ground connection.
Spread spectrum clock output.
No connect.
Power supply for the entire chip
Low Power Peak EMI Reducing Solution
Notice: The information in this document is subject to change without notice.
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PULSECORE [ PulseCore Semiconductor ]
