Pin Description

PIN

NAME

FUNCTION

1

OUT

Oscillator Output

2

SPRD

Dither Enable. When the pin is high, the dither is enabled. When the pin is low, the dither is disabled.

Power Supply

4

GND

Ground

5OE

Output Enable. When the pin is high, the output buffer is enabled. When the pin is low, the output is disabled

but the internal master oscillator is still on.

6

PDN

Power-Down. When the pin is high, the master oscillator is enabled. When the pin is low, the master oscillator

and the output buffer are disabled (power-down mode).

7

SDA

I

8

SCL

I

3.3V Center Spread-Spectrum EconOscillator™

6

_____________________________________________________________________

48

50

54

52

56

58

-40

10

-15

35

60

85

DUTY CYCLE vs. TEMPERATURE

TEMPERATURE (

°C)

66MHz

50MHz

130kHz

33MHz

48

50

54

52

56

58

DUTY CYCLE

vs. SUPPLY VOLTAGE

SUPPLY VOLTAGE (V)

2.7

3.0

3.3

3.6

66MHz

50MHz

130kHz

33MHz

°C

-90

-70

-80

-40

-50

-60

-10

-20

-30

0

44

48

46

50

52

54

56

SPECTRUM COMPARISON

(120kHz BW, SAMPLE DETECT)

FREQUENCY (MHz)

NO SPREAD

±1%

±2%

±4%

±8%

Typical Operating Characteristics (continued)

°C, unless otherwise noted.)