Data Sheet

ECS-3250SS
SPREAD SPECTRUM OSCILLATOR
ECS-3250SS Spread Spectrum EMI output SMD oscillators
provide cost effective EMI reduction.
1105 South Ridgeview Road z Olathe, KS 66062 z Phone: [phone] z Fax: [phone] z www.ecsxtal.com
PARAMETERS CONDITIONS
ECS-3250SS (+3.3V)
MIN TYP MAX
OPERATING CONDITIONS / ELECTRICAL CHARACTERISTICS
UNITS
CMOS
at +25°C ±3°C
VOH
VOL
@ 50% VDD level
10% VDD to 90% level
Option C
10.000 to 28.000 MHz
10.000 to 20.000 MHz
20.10.000 to 168.000 MHz
28.100 to 168.000 MHz
Option A
Option B
VDD
Referred to frequency avg.
Startup time
Aging (first year)
Jitter (Cycle to Cycle)
Enable/Disable delay time
"1" level
"0" level
Input Current
Frequency Range
Operating Temperature
Storage Temperature
Supply Voltage
Frequency Stability
Spread spectrum range
Center spread
Output Symmetry
Rise and Fall Times
Output Load
10.000
-10
-40
+3.135
90% VDD
MHz
°C
°C
VDC
ppm
%
%
%
mA
mA
%
VDC
VDC
pF
ns
ns
ms
ppm
pS
pS
168.000
+70
+85
+3.465
± 50
± 0.5
± 1
± 2
13
15
60/40
5
40/60
10% VDD
15
10
10
± 5
200
100
DIMENSIONS (mm)
Note: Internal crystal oscillation to be halted
(Pin #1=VIL)
Figure 1) Top, Side and Bottom views Figure 2) Suggested Land Pattern
PART NUMBERING GUIDE: Example ECS-3250SS-270-3B
Pin Connections
Tri-State Control Voltage
Pin #1
Pin #2
Pin #3
Pin #4
Pad 1
Open
VIH 90% VDD Min
VIL 10% VDD Max
Oscillation
High Impedance
Oscillation
Pad 3
 Low EMI Output
 5 x 3.2 mm Footprint
 Wide frequency range
 Pb Free/RoHS Compliant
ECS - Series - Frequency Abbreviation - Voltage Spread Spectrum Range
3250SS
270 = 27.000 MHz
See Frequency
Abbreviations (Pg 2)
A = ± 0.5%
B = ± 1.0%
C = ± 2.0%
3 =3.3V
Tri-State
Ground
Output
VDD
+3.3