January 2007
rev 1.7
Pin Configuration (6-pin TSOT- 23 Package)
ASM3P2969A
REFOUT/2
1
XOUT
2
XIN/CLKIN
3
ASM3P2969A
6
5
4
VSS
ModOUT
VDD
Pin Description
Pin#
1
2
3
4
5
6
Pin Name
REFOUT/2
XOUT
XIN/CLKIN
VDD
ModOUT
VSS
Type
O
O
I
P
O
P
Description
Buffered and divided by 2 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
Spread spectrum clock output.
Ground connection.
Pin Configuration (8-pin SOIC and TSSOP Packages)
XIN/CLKIN
1
XOUT
2
8
7
6
5
VDD
NC
ModOUT
VSS
ASM3P2969A
REFOUT/2
3
NC
4
Pin Description
Pin#
1
2
3
4
5
6
7
8
Pin Name
XIN/CLKIN
XOUT
REFOUT/2
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 and divided by 2 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 ]
