May 2008

ASM3P623S00B/E

rev 0.5

Timing-Safe™ Peak EMI Reduction IC

4 of 15

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

Pin Configuration

Pin Description for ASM3P623S00E

Pin #

Pin Name

Type

Description

1

CLKIN

1

I

External reference Clock input, 5V tolerant input

2

CLKOUT1

2

O

Buffered clock output

4

3

P

3.3V supply

4

SS%

3

I

Spread Spectrum Selection. Refer Spread Spectrum Control and Input-Output Skew

Table. Has an internal pull up resistor

5

GND

P

Ground

6

CLKOUT2

2

O

Buffered clock output

4

7

CLKOUT3

2

O

Buffered clock output

4

8

DLY_CTRL

O

9

SSON

3

I

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

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

pull up resistor

10

CLKOUT4

2

O

Buffered clock output

4

11

CLKOUT5

2

O

Buffered clock output

4

12

GND

P

Ground

13

P

3.3V supply

14

CLKOUT6

2

O

Buffered clock output

4

15

CLKOUT7

2

O

Buffered clock output

4

16

CLKOUT

2

O

Buffered clock output

4

Notes: 1.Weak pull down

2. Weak pull-down on all outputs

3. Weak pull-up on these Inputs

4. Buffered clock output is Timing-Safe™

1

2

3

4

13

14

15

16

ASM3P623S00E

5

6

7

8

9

10

11

12

CLKOUT6

CLKOUT7

CLKOUT4

CLKOUT5

VDD

CLKOUT

GND

SSON

DLY_CTRL

VDD

SS%

GND

CLKOUT2

CLKOUT3

CLKOUT1

CLKIN