SM77G Series 2.5 V
CMOS Clock Oscillators
Feb 2008
Electrical Specification for 2.50V +10% over the specified temperature range
_
Item
Output T
RISE
and T
FALL
Typ
2.5
1.8
4.5
2
7.5
3
V
CC
Supply Current (I
CC
)
3
3.5
4
13
3.5
4
5.5
24
5
6
7
30
Max
4
5
7.5
6
12
8
6
7
8
29
7
8
10
41
8
11
11
51
Unit
nS
nS
nS
nS
nS
nS
mA
mA
mA
mA
mA
mA
mA
mA
mA
mA
mA
mA
Condition
< 35 MHz
> 35 MHz
< 35 MHz
> 35 MHz
< 35 MHz
> 35 MHz
< 8 MHz
> 8 MHz and < 16 MHz
> 16 MHz and < 35 MHz
> 35 MHz
< 8 MHz
> 8 MHz and < 16 MHz
> 16 MHz and < 35 MHz
> 35 MHz
< 8 MHz
> 8 MHz and < 16 MHz
> 16 MHz and < 35 MHz
> 35 MHz
C
LOAD
= 50 pF
C
LOAD
= 30 pF
C
LOAD
= 15 pF
10% to 90% of V
CC
See Load Circuit
C
LOAD
=30 pF
10% to 90% of V
CC
See Load Circuit
C
LOAD
=50 pF
10% to 90% of V
CC
See Load Circuit
C
LOAD
= 15 pF
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
25M
32M
50M
66.7M
-80
-100
-120
-140
-160
-180
10
1,000
100,000
10,000,000
Frequency (Hz)
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425-776-1880
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