ASM3P2869A Datasheet, PDF (3/12 Pages) Alliance Semiconductor Corporation – Low Power Peak EMI Reducing Solution

January 2007
rev 1.7
Pin Configuration (8-pin SOIC and TSSOP Packages)
ASM3P2869A
XIN / CLKIN 1
8 VDD
XOUT 2
ASM3P2869A
REFOUT ³
7 NC
6 ModOUT
NC 4
5 ^VSS
Pin Description
Pin# Pin Name
1 XIN / CLKIN
2
XOUT
3
REFOUT
4
NC
5
VSS
6
ModOUT
7
NC
8
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 output of the input frequency.
No connect.
Ground connection.
Spread spectrum clock output.
No connect.
Power supply for the entire chip
Modulation Profile
Specifications
Description
Frequency Range
For 2.5V Supply
For 3.3V Supply
Modulation Equation
Frequency Deviation
Specification
6MHz < CLKIN < 12MHz
6MHz < CLKIN < 13MHz
F_IN/256
±1% (Typ) @ 10MHz
Low Power Peak EMI Reducing Solution
Notice: The information in this document is subject to change without notice.
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