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SM77H Series 1.8 V
CMOS Clock Oscillators
April 2007
www.pletronics.com
425-776-1880
3
Electrical Specification for 1.80V +
_10% over the specified temperature range
Item
Min
Max
Unit
Condition
Frequency Range
1.50
69.999
MHz
Frequency Accuracy “45"
-50
+50
ppm
For all supply voltages, load changes, aging for 1
year, shock, vibration and temperatures
“44"
-25
+25
“20"
-20
+20
Output Waveform
CMOS
Output High Level
90
-
%
of V
CC
for I
OH= +2 mA
<35 MHz
70
-
of V
CC
for I
OH= +8 mA > 35 MHz
Output Low Level
-
10
%
of V
CC
for I
OL = -2 mA
<35 MHz
-30
of V
CC
for I
OL = -8 mA
>35 MHz
Output Symmetry
45
55
%
at 50% point of V
CC (See load circuit)
Jitter
Output: 1 to 15MHz
-
6.0
pS RMS
10 Hz to 1 MHz from the output frequency
Output: 15 to 35MHz
-
5.0
pS RMS
Output: 35 to 50MHz
-
4.0
pS RMS
Output: 50 to 70MHz
-
3.0
pS RMS
Output: 25 to 70MHz
-
0.7
pS RMS
12 KHz to 20 MHz from the output frequency
E/D Internal Pull-up
50
500
Kohm
to V
CC
V disable
-
30
%
of V
CC applied to pin 1
V enable
70
-
%
Output leakage
V
OUT = VCC
-10
+10
uA
Pin 1 low, device disabled
V
OUT = 0V
-10
+10
uA
Standby Current I
CC
-
4
uA
<35 MHz
-
100
uA
>35 MHz
Enable time
-
250
nS
Time for output to reach a logic state
Disable time
-
250
nS
Time for output to reach a high Z state
Start up time
-
10
mS
Time for output to reach specified frequency
Operating Temperature
Range
-10
+70
oC
Standard Temperature Range
-40
+85
oC
Extended Temperature Range
“E” Option
Storage Temperature Range
-55
+125
oC
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