January 2007
rev 1. 9
Pin Configuration (8-pin SOIC and TSSOP Packages)
ASM3P2769A
XIN/CLKIN
1
XOUT
2
8
7
6
5
VDD
NC
ModOUT
VSS
ASM3P2769A
PD
3
NC
4
Pin Description
Pin#
1
2
3
4
5
6
7
8
Pin Name
XIN/CLKIN
XOUT
PD
NC
VSS
ModOUT
NC
VDD
Type
I
O
I
-
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.
Power-down control pin. Pull low to enable power-down mode. Connect to VDD if not
used.
No connect.
Ground connection.
Spread spectrum clock output.
No connect.
Power supply for the entire chip.
Modulation Profile
Specification
Description
Frequency Range
Modulation Equation
Frequency Deviation
For 2.5V Supply
For 3.3V Supply
Specification
6MHz < CLKIN < 12MHz
6MHz < CLKIN < 13MHz
F
IN
/256
±1% @ 10MHz
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 ]
