ASM3P622S00B, ASM3P622S00E

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4

Pin Configuration for ASM3P622S00E

16

15

14

13

12

11

10

9

CLKOUT

CLKOUT7

CLKOUT6

VDD

GND

CLKOUT5

CLKOUT4

SSON

ASM3P622S00E

1

2

3

4

5

6

7

8

CLKIN

CLKOUT1

VDD

SS%

GND

CLKOUT2

CLKOUT3

DLY_CTRL

Table 2. PIN DESCRIPTION FOR ASM3P622S00E

Pin #

Pin Name

Type

Description

1

CLKIN (Note 5)

I

External reference Clock input, 5 V tolerant input

2

CLKOUT1 (Note 6)

O

Buffered clock output (Note 8)

3

P

3.3 V supply

4

SS% (Note 7)

I

Spread Spectrum Selection. Refer to Spread Spectrum Control and

Input−Output Skew Table. Has an internal pull up resistor.

5

GND

P

Ground

6

CLKOUT2 (Note 6)

O

Buffered clock output (Note 8)

7

CLKOUT3 (Note 6)

O

Buffered clock output (Note 8)

8

DLY_CTRL

O

External Input−Output Delay control.

9

SSON (Note 7)

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 (Note 6)

O

Buffered clock output (Note 8)

11

CLKOUT5 (Note 6)

O

Buffered clock output (Note 8)

12

GND

P

Ground

13

P

3.3 V supply

14

CLKOUT6 (Note 6)

O

Buffered clock output (Note 8)

15

CLKOUT7 (Note 6)

O

Buffered clock output (Note 8)

16

CLKOUT (Note 6)

O

Buffered clock output (Note 8)

5. Weak pull down

6. Weak pull−down on all outputs

7. Weak pull−up on these Inputs

8. Buffered clock output is Timing−Safe

Table 3. SPREAD SPECTRUM CONTROL AND INPUT−OUTPUT SKEW TABLE

Device

Input Frequency

SS %

Deviation

ASM3P622S00B/E

12 MHz

0

±0.25 %

0.0625 (Note 9)

1

±0.50 %

0.125 (Note 9)