DS1089LU-22F Maxim Integrated Products, DS1089LU-22F Datasheet - Page 6

• Manufacturer Part Number: DS1089LU-22F
• Description: Timers & Support Products 3.3V Center Spread-S pectrum EconOscillat
• Manufacturer: Maxim Integrated Products

3.3V Center Spread-Spectrum EconOscillator™
(V
6
CC
PIN
58
56
54
52
50
48
1
2
3
4
5
6
7
8
_____________________________________________________________________
= 3.3V, T
2.7
T
A
= +25°C
66MHz
NAME
SPRD
GND
OUT
PDN
SDA
V
SCL
OE
A
vs. SUPPLY VOLTAGE
CC
SUPPLY VOLTAGE (V)
= +25°C, unless otherwise noted.)
3.0
DUTY CYCLE
50MHz
Oscillator Output
Dither Enable. When the pin is high, the dither is enabled. When the pin is low, the dither is disabled.
Power Supply
Ground
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.
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).
I
I
2
2
C Serial Data. This pin is for serial data transfer to and from the device.
C Serial Clock. This pin is used to clock data into and out of the device.
130kHz
33MHz
3.3
3.6
Typical Operating Characteristics (continued)
58
56
54
52
50
48
-40
V
CC
DUTY CYCLE vs. TEMPERATURE
= 3.3V
-15
66MHz
TEMPERATURE (°C)
10
130kHz
FUNCTION
35
50MHz
33MHz
60
85
-10
-20
-30
-40
-50
-60
-70
-80
-90
0
44
(120kHz BW, SAMPLE DETECT)
±2%
±4%
46
SPECTRUM COMPARISON
Pin Description
f
DITHER RATE = f
MOSC
±1%
48
FREQUENCY (MHz)
= 50MHz,
50
MOSC
52
NO SPREAD
/ 4096
±8%
54
56