May 2007
rev 0.4
ASM3P622S00A/B/J/E/K
Pin Description for ASM3P622S00K
Pin #
Pin Name
Description
1
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.
XIN/CLKIN
2
3
4
5
6
7
8
XOUT
CLKOUT11
VDD
Buffered clock output
3.3V supply
SS%2
Spread Spectrum Selection
GND
Ground
CLKOUT21
CLKOUT31
Buffered clock output
Buffered clock output
Spread Spectrum enable and disable option. When SSON is HIGH, the spread
spectrum is enabled and when LOW, it turns off the spread spectrum.
9
SSON2
10
11
12
13
14
15
16
CLKOUT41
CLKOUT51
GND
Buffered clock output
Buffered clock output
Ground
VDD
3.3V supply
CLKOUT61
CLKOUT71
CLKOUT1
Buffered clock output
Buffered clock output
Buffered clock output
Notes: 1. Weak pull-down on all outputs
2. Weak pull-up on these Inputs
3. Buffered clock outputs are Timing-Safe™
Spread Spectrum Control and Input-Output Skew Table
Device
Input Frequency
SS %
Deviation
Input-Output Skew(±TSKEW)
0
1
±0.25 %
±0.50 %
0.063
0.125
ASM3P622S00A/B/J/E/K
12MHz
Note: TSKEW is measured in units of the Clock Period
Absolute Maximum Ratings
Symbol
Parameter
Voltage on any pin with respect to Ground
Rating
-0.5 to +4.6
-65 to +125
260
Unit
V
°C
°C
°C
KV
VDD
TSTG
Ts
Storage temperature
Max. Soldering Temperature (10 sec)
Junction Temperature
TJ
150
TDV
2
Static Discharge Voltage (As per JEDEC STD22- A114-B)
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.
Low Frequency Timing-Safe™ Peak EMI Reduction IC
5 of 16
Notice: The information in this document is subject to change without notice.
PULSECORE [ PulseCore Semiconductor ]
