May 2007

ASM3P622S00A/B/J/E/K

rev 0.4

Low Frequency Timing-Safe™ Peak EMI Reduction IC

5 of 16

Notice: The information in this document is subject to change without notice.

Pin Description for ASM3P622S00K

Pin #

Pin Name

Description

1

XIN/CLKIN

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.

2

XOUT

Crystal connection. If using an external reference, this pin must be left unconnected.

3

CLKOUT1

1

Buffered clock output

4

3.3V supply

5

SS%

2

Spread Spectrum Selection

6

GND

Ground

7

CLKOUT2

1

Buffered clock output

8

CLKOUT3

1

Buffered clock output

9

SSON

2

Spread Spectrum enable and disable option. When SSON is HIGH, the spread

spectrum is enabled and when LOW, it turns off the spread spectrum.

10

CLKOUT4

1

Buffered clock output

11

CLKOUT5

1

Buffered clock output

12

GND

Ground

13

3.3V supply

14

CLKOUT6

1

Buffered clock output

15

CLKOUT7

1

Buffered clock output

16

CLKOUT

1

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

0

±0.25 %

0.063

ASM3P622S00A/B/J/E/K

12MHz

1

±0.50 %

0.125

Absolute Maximum Ratings

Symbol

Parameter

Rating

Unit

VDD

Voltage on any pin with respect to Ground

-0.5 to +4.6

V

Storage temperature

-65 to +125

°C

Max. Soldering Temperature (10 sec)

260

°C

Junction Temperature

150

°C

Static Discharge Voltage (As per JEDEC STD22- A114-B)

2

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.