ECS-500 SERIES TEMPERATURE COMPENSATED OSCILLATOR
The ECS-500 temperature compensated oscillator
covers a wide frequency range and offers a
highly stable output over temperature. An
internal trimmer is a standard feature to tune the
TCXO to its nominal frequency.
FEATURES
• Highly stable output over temperature
• Wide frequency range
• Industry standard DIP 14 pin lead spacing
• TTL/CMOS Compatible
PART NUMBERING GUIDE “EXAMPLE”
SERIES
FREQUENCY (14.4 MHz)
FREQUENCY STABILITY (B=± 5.0 PPM)
ECS
–
500
–
144
–
B
OPERATING CONDITIONS/ELECTRICAL CHARACTERISTICS
PARAMETERS
CONDITIONS
MINIMUM
8.000
-7.0
-5.0
-3.5
TYPICAL
MAXIMUM
UNITS
MHz
PPM
PPM
PPM
˚C
FREQUENCY RANGE
80.000
+7.0
+5.0
+3.5
+70
+80
5.5 V
15
Option A
Option B
Option C
FREQUENCY STABILITY
OPERATING TEMPERATURE
STORAGE TEMPERATURE
-20
-30
˚C
INPUT VOLTAGE (V
)
CC
4.5 V
5.0 V
V DC
mA
mA
%
%
ns
ns
ns
ns
V
8.0 TO 30.0 MHz
30.0 TO 80.0 MHz
at 1.4 VDC Level
INPUT CURRENT
SYMMETRY
RISE TIME
60
40/60
45/55
50 ±4
50 ±2
60/40
55/45
13
8
11
6
+0.4
+0.5
at 1/2 V Level
CC
8.0 TO 30.0 MHz
30.0 TO 80.0 MHz
8.0 TO 30.0 MHz
30.0 TO 80.0 MHz
TTL
FALL TIME
“0” LEVEL
CMOS
V
TTL
CMOS
+2.4
V
V
“1” LEVEL
V
-0.5
CC
TTL
CMOS
8.0 TO 30.0 MHz
30.0 TO 80.0 MHz
Internal Trimmer
10
15
10
7
TTL gates
pF
ns
ns
PPM
OUTPUT LOAD
START-UP TIME
FREQUENCY ADJUSTMENT
±5
PACKAGE DIMENSIONS (mm)
PIN CONNECTIONS
#1
#7
N.C.
GND
15.24 ±0.2
Pin 1
Pin 7
Pin 8
Trimmer Hole
#8
OUTPUT
#14
+V
CC
0.5
Pin 14
CMOS
TTL
TR
TF
TR
TF
5.0
20.5 max.
VCC
1 LEVEL
90% VCC
OUT
A
50% VCC
2.4VDC
1.4VDC
#14
#8
CL 15pF
or 10 TTL
Supply
Voltage
V
Clock Oscillator
#7
10% VCC
0 LEVEL
GND
0.4VDC
0 VDC
GND
ø 0.43
Symmetry
Symmetry
Figure 1) ECS-500 – Top, Side and Bottom views
Figure 2) Test Circuit
Figure 3) Output Waveform
ECS, INC. INTERNATIONAL 1105 S. RIDGEVIEW, OLATHE, KS 66062 • 913-782-7787 • 800-237-1041 • FAX 913-782-6991 • WWW.ECSXTAL.COM
TCXO’s & VCXO’s TCXO’s & VCXO’s
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