ECS-3518/3525
SMD CLOCK OSCILLATOR
ECS-3518 (1.8V) and ECS-3525 (2.5V) subminiature SMD
oscillators, ideal for today's high density applications.
1105 South Ridgeview Road z Olathe, KS 66062 z Phone: 913.782.7787 z Fax: 913.782.6991 z www.ecsxtal.com
PARAMETERS CONDITIONS
ECS-3518 (+1.8V) ECS-3525 (+2.5V)
MIN MINTYP TYPMAX MAX
OPERATING CONDITIONS / ELECTRICAL CHARACTERISTICS
UNITS
HCMOS
VOH
VOL
@ 50% Vcc level
@ 50% Vcc level (T Option)
10% VDD to 90% level
Option C
1.544 to 9.999 MHz
10.000 to 34.999 MHz
35.000 to 49.999 MHz
50.000 to 125.000 MHz
Option A
Option B
VDD
Standard
Extended (N Option)
Startup time
"1" level
"0" level
Input Current
Frequency Range
Operating Temperature
Storage Temperature
Supply Voltage
Frequency Stability *
Output Symmetry
Rise and Fall Times
Output Load
1.5441.544
0
-40
-55
+1.62
MHz
°C
°C
°C
VDC
ppm
ppm
ppm
mA
mA
mA
mA
%
%
ns
VDC
VDC
pF
ms
125.0
+70
+85
+125
+1.98
± 100
+2.5
+70
+85
+125
+2.75
± 100
± 50
± 25
7
8
20
30
45/5545/55
6
125.0
30
10
-40
-55
+2.25
± 50
± 25
6
7
15
25
40/60 40/60
5
Vcc *10% Vcc *10%
Vcc *90% Vcc *90%
30
10
DIMENSIONS (mm)
* Note: Inclusive of 25°C tolerance, operating temperature range, input voltage change, load change, aging, shock and vibration.
Figure 1) Top, Side and Bottom views Figure 2) Suggested Land Pattern
PART NUMBERING GUIDE: Example ECS-3525-200-AN
Pad Connections
Tri-State Control Voltage
Pad #1
Pad #2
Pad #3
Pad #4
Pad 1
Open
1 Level
0 Level
Oscillation
High Impedance
Oscillation
Pad 3
1.8V or 2.5V Versions
3.2 x 5 mm Footprint
Extended Temp Range Option
Pb Free/RoHS Compliant
ECS - Series - Frequency Abbreviation - Stability Temperature
3518 = +1.8V
3525 = +2.5V
200 = 20.000 MHz
See Frequency
Abbreviations (Pg 2)
A = ± 100 ppm
B = ± 50 ppm
C = ± 25 ppm
Blank = 0 ~ +70°C
M = -20 ~ +70°C
N = -40 ~ +85°C
Tri-State
Ground
Output
Vcc
+1.8
