May 2007

ASM3P622S00A/B/J/E/K

rev 0.4

Low Frequency Timing-Safe™ Peak EMI Reduction IC

3 of 16

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

Pin Description for ASM3P622S00A/B

Pin #

Pin Name

Description

1

CLKIN

Input reference frequency, 5V tolerant input

2

NC

No Connect

3

SS%

2

Spread Spectrum Selection

4

GND

Ground

5

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.

6

CLKOUT

1

Buffered clock output

7

3.3V supply

8

NC

No Connect

Notes: 1. Weak pull-down on all outputs

2. Weak pull-up on these Inputs

3. Buffered clock output is Timing-Safe™

1

2

3

4

13

14

15

16

ASM3P622S00E

5

6

7

8

9

10

11

12

CLKOUT6

CLKOUT7

CLKOUT4

CLKOUT5

CLKOUT

GND

SSON

DLY CNTRL

SS%

GND

CLKOUT2

CLKOUT3

CLKOUT1

CLKIN

1

2

3

4

13

14

15

16

ASM3P622S00K

5

6

7

8

9

10

11

12

CLKOUT6

CLKOUT7

CLKOUT4

CLKOUT5

CLKOUT

GND

SSON

CLKOUT3

CLKOUT1

SS%

GND

CLKOUT2

XOUT

XIN / CKLIN