January 2007
rev 1.7
ASM3P2669A
Pin Configuration (8-pin SOIC and TSSOP Package)
CLKIN
NC
1
2
3
4
8
7
VDD
NC
ASM3P2669A
ModOUT
VSS
6
5
PD
Pin Description
Pin# Pin Name Type
Description
1
CLKIN
I
External reference frequency input.
No Connect.
2
NC
-
Power-down control pin. Pull low to enable power-down mode. Connect to VDD if not
3
I
PD
NC
used.
4
5
6
7
8
-
P
O
-
No connect.
VSS
ModOUT
NC
Ground connection.
Spread spectrum clock output.
No connect.
VDD
P
Power supply for the entire chip
Modulation Profile
Specifications
Description
For 2.5V Supply
Specification
6MHz < CLKIN < 12MHz
6MHz < CLKIN < 13MHz
FIN/256
Frequency Range
For 3.3V Supply
Modulation Equation
Frequency Deviation
±1% @ 10MHz
Low Power Peak EMI Reducing Solution
3 of 11
Notice: The information in this document is subject to change without notice.
PULSECORE [ PulseCore Semiconductor ]
