1.8V or 2.5V Versions
3.2 x 5 mm Footprint
Extended Temp Range Option
Pb Free/RoHS Compliant
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.
OPERATING CONDITIONS / ELECTRICAL CHARACTERISTICS
ECS-3518 (+1.8V)
ECS-3525 (+2.5V)
PARAMETERS
Frequency Range
Operating Temperature
Storage Temperature
Supply Voltage
Frequency Stability *
CONDITIONS
MIN
1.544
0
-40
-55
+1.62
TYP
MAX
125.0
+70
+85
+125
+1.98
± 100
± 50
± 25
6
7
15
25
40/60
45/55
5
Vcc *10%
MIN
1.544
-40
-55
+2.25
TYP
MAX
125.0
+70
+85
+125
+2.75
± 100
± 50
± 25
7
8
20
30
40/60
45/55
6
Vcc *10%
UNITS
MHz
°C
°C
°C
VDC
ppm
ppm
ppm
mA
mA
mA
mA
%
%
ns
VDC
VDC
pF
ms
Standard
Extended (N Option)
VDD
Option A
Option B
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
@ 50% Vcc level
@ 50% Vcc level (T Option)
10% VDD to 90% level
VOL
VOH
HCMOS
+1.8
+2.5
Input Current
Output Symmetry
Rise and Fall Times
"0" level
"1" level
Output Load
Startup time
Vcc *90%
Vcc *90%
30
10
30
10
* Note: Inclusive of 25°C tolerance, operating temperature range, input voltage change, load change, aging, shock and vibration.
DIMENSIONS (mm)
Pad Connections
Pad #1
Pad #2
Pad #3
Pad #4
Tri-State
Ground
Output
Vcc
Tri-State Control Voltage
Pad 1
Open
1 Level
0 Level
Pad 3
Oscillation
Oscillation
High Impedance
Figure 1) Top, Side and Bottom views
Figure 2) Suggested Land Pattern
PART NUMBERING GUIDE: Example ECS-3525-200-AN
ECS
-
Series
3518 = +1.8V
3525 = +2.5V
-
Frequency Abbreviation
200 = 20.000 MHz
See Frequency
Abbreviations (Pg 2)
-
Stability
Temperature
Blank = 0 ~ +70°C
M = -20 ~ +70°C
N = -40 ~ +85°C
Fax: 913.782.6991
www.ecsxtal.com
A = ± 100 ppm
B = ± 50 ppm
C = ± 25 ppm
1105 South Ridgeview Road
Olathe, KS 66062
Phone: 913.782.7787
ECS-3518/3525
SMD CLOCK OSCILLATOR
ECS-3518 (1.8V) and ECS-3525 (2.5V) subminiature SMD
oscillators. Ideal for todays's high density applications.
Frequency Abbreviations
FREQUENCY
MHz
4.000
8.000
10.000
12.000
14.31818
24.000
32.000
33.333
40.000
48.000
50.000
60.000
64.000
66.666
80.000
100.000
125.000
CODE
040
080
100
120
143
240
320
333
400
480
500
600
640
666
800
1000
1250
TAPE DIMENSIONS (mm)
Package Data
Item
Lid
Base
Sealing
Terminal
Plating
RoHS
MSL
Description
Metal
Ceramic
Seam Weld
Tungsten (metalized)
Gold/Nickel
(Surface)/(Under)
Compliant (Pb Free)
1
1105 South Ridgeview Road
Olathe, KS 66062
Phone: 913.782.7787
Fax: 913.782.6991
www.ecsxtal.com
