SM55M Series 1.8 V
CMOS Clock Oscillators
April 2010
Electrical Specification for 1.80V _10% over the specified temperature range
+
Item
Output T
RISE
and T
FALL
Typ
2
1
1.5
4
2
3
V
CC
Supply Current (I
CC
)
1
1.5
2
-
17
23
1.5
2
3
10
Max
5
3.5
2.5
10
7
7
2
2.5
3
18
27
37
2.5
3
4
20
Unit
nS
nS
nS
nS
nS
nS
mA
mA
mA
mA
mA
mA
mA
mA
mA
mA
Condition
< 35 MHz
> 35 MHz and < 70 MHz
> 70 MHz
< 35 MHz
> 35 MHz and < 70 MHz
> 70 MHz
< 8 MHz
> 8 MHz and < 16 MHz
> 16 MHz and < 35 MHz
> 35 MHz and < 70 MHz
> 70 MHz and < 120 MHz
> 120 MHz
< 8 MHz
> 8 MHz and < 16 MHz
> 16 MHz and < 35 MHz
> 35 MHz and < 70 MHz
C
LOAD
= 30 pF
C
LOAD
= 15 pF
C
LOAD
= 30 pF
20% to 80% of V
CC
See Load Circuit
C
LOAD
= 15 pF
20% to 80% of V
CC
See Load Circuit
Specifications with Pad 1 E/D open circuit
Typical phase noise plot for 5 oscillators at different output frequencies.
0
-20
-40
-60
dBc/Hz
19.4M
-80
-100
-120
-140
-160
-180
10
1,000
100,000
10,000,000
25M
32M
50M
66.7M
Frequency (Hz)
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425-776-1880
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