SM55T Series 1.8 V
CMOS Clock Oscillators
April 2010
Electrical Specification for 1.80V _+10% over the specified temperature range
Item
Typ
Max
5.0
3.5
2.5
10.0
7.0
4
Unit
Condition
Output TRISE and TFALL
2.0
nS
< 35 MHz
CLOAD = 15 pF
20% to 80% of VCC
See Load Circuit
1.7
nS
> 35 MHz and > 70 MHz
> 70 MHz
-
nS
4.0
nS
< 35 MHz
CLOAD = 30 pF
20% to 80% of VCC
See Load Circuit
2.0
nS
> 35 MHz and < 70 MHz
< 8 MHz
VCC Supply Current (ICC)
-
-
-
-
-
-
mA
mA
mA
mA
mA
mA
CLOAD = 15 pF
5
> 8 MHz and < 16 MHz
> 16 MHz and < 35 MHz
> 35 MHz and < 70 MHz
> 70 MHz and < 120 MHz
> 120 MHz
8
18
27
37
Specifications with Pad 1 E/D open circuit
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)
www.pletronics.com
425-776-1880
4
PLETRONICS [ PLETRONICS, INC. ]
