ECS-3518/3525
SMD CLOCK OSCILLATOR
The ECS-3518 (1.8V) and ECS-
3525 (2.5V) subminiature
oscillators. The miniature, very
low profile leadless ceramic
package is ideal for today's SMD
manufacturing environment.
SMD
1.8V & 2.5 V Versions
3.2 x 5 mm Footprint
Extended Temp Range Option
Pb Free
RoHS Compliant
PART NUMBERING GUIDE
"EXAMPLE"
SERIES
ECS
-
3525
-
Sample Part Number: ECS-3525-160-AN
FREQUENCY ABBREVIATION
160
-
STABILITY
A
-
Extended Temp (Option)
N
OPERATING CONDITIONS/ELECTRICAL CHARACTERISTICS
PARAMETERS
Frequency Range
Option A
Frequency Stability *
Option B
Option C
Operating Temperature
Storage Temperature
Input Voltage
1.544 MHz to 9.999 MHz
Input Current
10.000 MHz to 34.999 MHz
35.000 MHz to 49.999 MHz
50.000 MHz to 125.000 MHz
CONDITIONS
ECS-3518 (1.8V)
MIN
TYP
MAX
1.544
125.000
± 100
± 50
± 25
0
-40
-55
+1.62
+1.8
+70
+85
+125
+1.98
6
7
15
25
40/60
45/55
60/40
55/45
5
Vcc *0.1
Vcc *0.9
ECS-3525 (2.5V)
MIN
TYP
MAX
1.544
125.000
± 100
± 50
± 25
0
-40
-55
+2.25
+2.5
+70
+85
+125
+2.75
7
8
20
30
40/60
45/55
60/40
55/45
6
Vcc *0.1
Vcc *0.9
30
10
UNITS
MHz
PPM
PPM
PPM
°C
°C
°C
V DC
mA
mA
mA
mA
%
%
ns
Vdc
Vdc
pF
ms
Standard
Extended (N Option)
Output Symmetry
Rise and fall Times
"0" Level
"1" Level
Output Load
Start-Up Time
at ½ Vcc level
at ½ Vcc level (T Option)
10% Vcc to 90% Vcc
HCMOS
30
10
* Inclusive of 25°C tolerance, operating temperature range, input voltage change, load change aging, shock and vibration
PACKAGE DIMENSIONS (mm)
Tri-State Control Voltage
Pin #1=Open
Pin #1=1 Level
Pin #1=0 Level
#3 = Output
#3 = Output
#3=High Impedance
Pin Connections
#1
Tri-State
#2
#3
#4
Gnd
Output
Vcc
Figure 1) Top, Side and Bottom Views
Figure 2) Land Pattern
ECS INC. INTERNATIONAL
1105 S. Ridgeview, Olathe KS 66062 · 913-782-7787 · Fax 913-782-6991 · WWW.ECSXTAL.COM
ECS-3518/ECS-3525
Part Numbering Guide
Sample Standard P/N: ECS-3525-160-A
Sample Custom P/N: ECS-3525-160-ANT
Frequency
Abbreviation
ECS
ECS
Manufacturer
-
3525
-
160
-
A
Stability
A= ± 100 ppm
B = ± 50 ppm
C = ± 25 ppm
Frequency
Abbreviation
160=16.000 MHz
See listing of
standard frequency
abbreviations below
Extended
Temp Range
(Option)
N
Output Symmetry
(Option)
T
Blank=60/40
T=45/55
3518 +1.8V SMD
3525 +2.5V SMD
L = -10 to +70°C
M = -20 to +70°C
N = -40 to +85°C
Frequency
1.544 MHz
1.8432 MHz
3.579545 MHz
3.6864 MHz
4.000 MHz
4.9152 MHz
6.000 MHz
7.3728 MHz
8.000 MHz
9.8304 MHz
10.000 MHz
12.000 MHz
13.000 MHz
14.31818 MHz
14.7456 MHz
16.000 MHz
16.384 MHz
Standard Frequency Abbreviations
Frequency
Frequency
Abbreviation
-015.4
19.6608 MHz
-018
20.000 MHz
-035
24.000 MHz
-036
25.000 MHz
27.000 MHz
-040
-049
30.000 MHz
32.000 MHz
-060
-073
33.333 MHz
-080
40.000 MHz
-098.3
50.000 MHz
-100
66.000 MHz
-120
66.666 MHz
-130
80.000 MHz
-143
100.000 MHz
-147.4
106.250 MHz
-160
125.000 MHz
-163
Frequency
Abbreviation
-196.6
-200
-240
-250
-270
-300
-320
-333.3
-400
-500
-660
-666
-800
-1000
-1062
-1250
ECS, INC. INTERNATIONAL
1105 S. Ridgeview, Olathe KS 66062 · 913-782-7787 · Fax 913-782-6991 ·WWW.ECSXTAL.COM
