August 2005
rev 0.2
Pin Configuration
XIN
VSS
NC
ModOUT
1
2
3
4
8
7
6
5
XOUT
VDD
PD#
REF
ASM3P1819N
ASM3P1819N
Pin Description
Pin#
1
2
3
4
5
6
7
8
Pin Name
XIN
VSS
NC
ModOUT
REF
PD#
VDD
XOUT
Type
I
P
-
O
O
I
P
I
Description
Connect to externally generated Clock signal or Crystal.
Ground Connection. Connect to system ground.
No Connect.
Spread spectrum clock output.
Non-modulated Reference clock output of the input frequency.
Power down control pin. Pull LOW to enable Power-Down mode. This pin
has an internal pull-up resistor.
Connect to +3.3V.
Connect to crystal. No connect if externally generated clock signal is used.
Absolute Maximum Ratings
Symbol
VDD, V
IN
T
STG
T
A
T
s
T
J
T
DV
Storage temperature
Operating temperature
Max. Soldering Temperature (10 sec)
Junction Temperature
Static Discharge Voltage
(As per JEDEC STD22- A114-B)
Parameter
Voltage on any pin with respect to Ground
Rating
-0.5 to +7.0
-65 to +125
0 to 70
260
150
2
Unit
V
°C
°C
°C
°C
KV
Note: These are stress ratings only and are not implied for functional use. Exposure to absolute maximum ratings for prolonged periods of time may affect
device reliability.
Output Frequency and Modulation Rate
Input Frequency Range
(MHz)
20 to 40
Output Frequency Range
(MHz)
20 to 40
Modulation Rate
Input Frequency / 512
Spread Deviation
(%)
-1.25
Low Power Mobile VGA EMI Reduction IC
Notice: The information in this document is subject to change without notice.
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ALSC [ ALLIANCE SEMICONDUCTOR CORPORATION ]
