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SM77H Series 1.8 V
CMOS Clock Oscillators
April 2007
www.pletronics.com
425-776-1880
4
Electrical Specification for 1.80V +
_10% over the specified temperature range
Item
Typ
Max
Unit
Condition
Output T
RISE and TFALL
2.0
5.0
nS
< 35 MHz
C
LOAD = 15 pF
20% to 80% of V
CC
See Load Circuit
1.7
3.5
nS
> 35 MHz
4.0
10.0
nS
< 35 MHz
C
LOAD = 30 pF
20% to 80% of V
CC
See Load Circuit
2.0
7.0
nS
> 35 MHz
V
CC Supply Current (ICC)-
4
mA
< 8 MHz
C
LOAD = 15 pF
-5
mA
> 8 MHz and < 16 MHz
-7
mA
> 16 MHz and < 35 MHz
-18
mA
> 35 MHz
Specifications with Pad 1 E/D open circuit
Typical phase noise plot for 5 oscillators at different output frequencies.
-180
-160
-140
-120
-100
-80
-60
-40
-20
0
10
1,000
100,000
10,000,000
Frequency (Hz)
19.4M
25M
32M
50M
66.7M