January 2007
rev 1.7
Pin Configuration (8-pin SOIC and TSSOP Package)
ASM3P2669A
CLKIN
1
NC
2
8
7
6
5
VDD
NC
ModOUT
VSS
ASM3P2669A
PD
3
NC
4
Pin Description
Pin#
1
2
3
4
5
6
7
8
Pin Name
CLKIN
NC
PD
NC
VSS
ModOUT
NC
VDD
Type
I
-
I
-
P
O
-
P
External reference frequency input.
No Connect.
Description
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
Specifications
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.
3 of 11
PULSECORE [ PulseCore Semiconductor ]
