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