Rainbow-electronics DS4266 Instrukcja Użytkownika Strona 4

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DS4266
DDR Clock Oscillator
4 _______________________________________________________________________________________
Pin Description
SINGLE-SIDEBAND PHASE NOISE AT f
O
= f
NOM
(dBc/Hz)
f
M
=
266MHz
10Hz -65
100Hz -95
1kHz -113
10kHz -113
100kHz -118
1MHz -137
10MHz -149
20MHz -153
PIN NAME FUNCTION
1 OE Active-High Output Enable. Has an internal pullup 100k resistor.
2, 7–10 N.C. No Connection. Must be floated.
3 GND Ground
4 OUTP Positive Output for LVPECL or LVDS
5 OUTN Negative Output for LVPECL or LVDS
6 V
CC
Supply Voltage
EP Exposed Paddle. Do not connect this pad or place exposed metal under the pad.
Single-Sideband Phase Noise at f
O
= f
NOM
Typical Operating Characteristics
(V
CC
= +3.3V, T
A
= +25°C, unless otherwise noted.)
FREQUENCY vs. TEMPERATURE
DS4266 toc01
TEMPERATURE (°C)
f
OUT
DEVIATION (ppm)
806020 400-20
-18
-15
-13
-10
-8
-5
-3
0
3
5
8
10
13
15
-20
-40
OPERATING CURRENT
vs. OPERATING VOLTAGE
DS4266 toc02
V
CC
(V)
I
CC
(mA)
3.4353.3853.3353.2853.2353.185
48
50
53
55
45
3.135
+85
°
C
0
°
C
-40
°
C
+70
°
C
+40
°
C
+25
°
C
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