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.
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OPERATING CONDITIONS / ELECTRICAL CHARACTERISTICS
ECS-3518/3525
Parameters
ECS-3518 (+1.8V)
Conditions
MIN
Frequency Range
Operating
Temperature
•
Output Symmetry
Rise and Fall Times
TYP
MAX
Units
125.00
1.544
125.00
MHz
0
+70
0
+70
°C
Extended (N Option)
-40
+85
-40
+85
°C
VDD
+1.62
-55
Frequency Stability*
Input Current
MIN
1.544
Supply Voltage
1.8V or 2.5V Versions
3.2 x 5.0 mm Footprint
Extended Temp Range
Option
PbFree/RoHS Compliant
ECS-3525 (+2.5V)
MAX
Standard
Storage Temperature
•
•
•
TYP
+1.8
+125
-55
+1.98
+2.25
+2.5
+125
°C
+2.75
VDC
Option A
±100
±100
PPM
Option B
±50
±50
PPM
Option C
±25
±25
PPM
1.544 ~ 9.999 MHz
6
7
mA
10.000 ~ 34.999 MHz
7
8
mA
35.000 ~ 49.999 MHz
15
20
mA
50.000 ~ 125.000 MHz
25
30
mA
@50% VCC Level
40/60
40/60
%
@50% VCC Level
(T Option)
45/55
45/55
%
10% VDD to 90% Level
5
6
ns
VCC *10%
VDC
“0” Level
VOL
“1” Level
VOH
Output Load
VCC *10%
VCC *90%
HCMOS
Startup Time
VCC *90%
VDC
30
30
pF
10
10
ms
* Note: Inclusive of 25°C tolerance, operating temperature, range, input voltage change, load change, shock, aging and vibration.
Part Numbering Guide: ECS-3525-200-AN-TR
ECS
ECS
-
Series
3518 = +1.8V
3525 = +2.5V
- Frequency Abbreviations -
200 = 20 MHz
Stability
A = ±100 ppm
B = ±50 ppm
C = ±25 ppm
-
Temperature -
Blank = -0 ~ 70°C
M = -20 ~ +70°C
N = -40 ~ +85°C
Output Symmetry
Blank = 40/60 STD
T = 45/55
-
Packaging
TR = Tape & Reel
1K/Reel
15351 West 109th Street | Lenexa, KS 66219 | Phone: 913.782.7787 | Fax: 913.782.6991 | www.ecsxtal.com
ECS-3518/3525
SMD Clock Oscillator
Package Dimensions (mm)
Figure 2) Land Pattern
Figure 1) Top, Side, and Bottom views
Pad Connections
Tri-State Control Voltage
#1
Tri-State
Pad 1
Pad 3
#2
Ground
Open
Oscillation
#3
Output
1 Level
Oscillation
#4
VCC
0 Level
High Impedance
Figure 3) Suggested Reflow Profile
15351 West 109th Street | Lenexa, KS 66219 | Phone: 913.782.7787 | Fax: 913.782.6991 | www.ecsxtal.com
ECS-3518/3525
SMD Clock Oscillator
Tape Dimensions (mm)
Package Data
Item
Description
Lid
Metal
Base
Ceramic
Sealing
Seam Weld
Terminal
Tungsten (Metalized)
Plating
Gold/Nickel
(Surface)/(Under)
RoHS
Compliant (PbFree)
MSL
1
Figure 4) Pocket Tape Dimensions
15351 West 109th Street | Lenexa, KS 66219 | Phone: 913.782.7787 | Fax: 913.782.6991 | www.ecsxtal.com
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