SM55T Series 5.0 V
CMOS Clock Oscillators
June 2007
Electrical Specification for 5.0V +_10% over the specified temperature range
Item
Min
0.8
-50
-25
-20
Max
80
Unit
MHz
ppm
Condition
Frequency Range
Frequency Accuracy “45"
“44"
+50
+25
+20
CMOS
-
For all supply voltages, load changes, aging for 1
year, shock, vibration and temperatures
“20"
Output Waveform
Output High Level
Output Low Level
Output Symmetry
Jitter
90
-
%
%
%
of VCC (See load circuit)
10
45
-
55
at 50% point of VCC (See load circuit)
0.6
2.5
-
pS RMS 12 KHz to 20 MHz from the output frequency
pS RMS 10 Hz to 1 MHz from the output frequency
-
Enable/Disable Internal Pull-up
V disable
50
-
Kohm
%
to VCC
30
of VCC applied to pad 1
V enable
70
-10
-10
-
-
%
Output leakage
V
OUT = VCC
+10
+10
3
uA
uA
uA
nS
nS
mS
oC
Pad 1 low, device disabled
VOUT = 0V
Standby Current ICC
Enable time
-
100
100
3
Time for output to reach a logic state
Time for output to reach a high Z state
Time for output to reach specified frequency
Standard Temperature Range
Disable time
-
Start up time
-
Operating Temperature Range
Storage Temperature Range
-10
-40
-55
+70
+85
+125
oC
oC
Extended Temperature Range “E” Option
Typical phase noise plot for 5 oscillators at different output frequencies.
0
-20
-40
-60
19.4M
25M
-80
32M
50M
-100
-120
-140
-160
-180
66.7M
10
1,000
100,000
10,000,000
Frequency (Hz)
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425-776-1880
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