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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"
ECS - SERIES 500 - FREQUENCY (14.4 MHz) 144 - FREQUENCY STABILITY (B= 5.0 PPM) B
OPERATING CONDITIONS/ELECTRICAL CHARACTERISTICS
PARAMETERS FREQUENCY RANGE FREQUENCY STABILITY OPERATING TEMPERATURE STORAGE TEMPERATURE INPUT VOLTAGE (VCC) INPUT CURRENT SYMMETRY RISE TIME FALL TIME "0" LEVEL "1" LEVEL OUTPUT LOAD START-UP TIME FREQUENCY ADJUSTMENT 8.0 TO 30.0 MHz 30.0 TO 80.0 MHz at 1.4 VDC Level at 1/2 VCC Level 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 CMOS TTL CMOS TTL CMOS 8.0 TO 30.0 MHz 30.0 TO 80.0 MHz Internal Trimmer CONDITIONS Option A Option B Option C MINIMUM 8.000 -7.0 -5.0 -3.5 -20 -30 4.5 V TYPICAL MAXIMUM 80.000 +7.0 +5.0 +3.5 +70 +80 5.5 V 15 60 60/40 55/45 13 8 11 6 +0.4 +0.5 UNITS MHz PPM PPM PPM C C V DC mA mA % % ns ns ns ns V V V V TTL gates pF ns ns PPM
5.0 V
40/60 45/55
50 4 50 2
+2.4 VCC -0.5 10 15 10 7 5
PACKAGE DIMENSIONS (mm)
Pin 1
15.24 0.2
Pin 7
12.8 max
6.3
0.5
Pin 14
Pin 8
1 LEVEL 90% VCC
7.62 0.2
Trimmer Hole
7.62
1.1
PIN CONNECTIONS #1 N.C. #7 GND #8 OUTPUT #14 +VCC
5.0 20.5 max. 6.35 7.2 max.
A
#14 Supply Voltage V #8 CL 15pF or 10 TTL
GND OUT
TR
CMOS
TF
TTL TR TF VCC
50% VCC
2.4VDC 1.4VDC
Clock Oscillator #7
0.8
o 0.43
10% VCC 0 LEVEL GND Symmetry Symmetry
0.4VDC 0 VDC
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 48 TCXO's & VCXO's

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