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OC14T Datasheet, PDF (1/2 Pages) Mercury United Electronics Inc – Full size 4 pin DIP full metal package
OCXO (Oven Controlled Crystal Oscillators)
+12.0 V
OC14T12A, OC14T12GA (RoHS version) HCMOS Square
MERCURY
Since 1973
y Full size 4 pin DIP full metal package
y+12.0 V D.C supply Voltage
y 15 pF load HCMOS square wave output
y AT-cut crystal
y Voltage control (Electronic Frequency Tuning) on pin 1
General Specifications ( 10 MHz at+25°C, at +12.0 V Vcc and +2.5 V Vcon)
Output Wave Form
HCMOS Square Wave. Wave form code is “T”
Frequency Range
10 MHz ~40.0 MHz.
Type of Crystal Cut Used
AT-cut. Use “A” for crystal code.
Supply Voltage (Vcc)
+12.0 V ±0.5 V (voltage code is “12”)
Initial Calibration Tolerance
±0.5 ppm max. at the time of shipment. Vcon=+2.5V
Operating Temperature Range
(custom spec. on request)
Operating
Temperature
Best Stability
Available
0°C to +60°C
±0.05 ppm
-20°C to +70°C
±0.1 ppm
Typical Stability ±0.20 ppm
±0.30 ppm
-40°C to +85°C
±0.2 ppm
±0.50 ppm
Aging
< ±0.7 ppm first year. < ±4.0 ppm over 10 years.
Short Term Stability
<1 E -10 (0.1 sec to 30 sec.); typical 5 E -11 at 1 sec.
Supply Voltage ±0.5V Variation
Warm-up time (at +25°C)
Freq. Deviation Range
< ±0.1 ppm
Load ±5% variation
< ±0.01 ppm
3 minutes max. Within ±0.1 ppm of its reference frequency.
±4 ppm min. Referenced to fo at +25°C
Control Voltage Range 0.0 V to 5.0 V
Transfer Function
Positive: Increasing control voltage increases output frequency.
Input Impedance
47 K ohms min.
EFC Linearity
±10% max.
Power Power Dissipation (at +25°C) 1 W max. at steady-state; 2 W max. at turn-on.
Load (Fan Out)
10 LS
Duty Cycle (measured at 1/2Vcc) 50% ±10%
Output
Output Voltage Logic High (VOH)
Output Voltage Logic Low (VOL)
Rise and Fall Time
+4.5 V min
+0.4 V max.
7 nS max. (measured at 20% ⇄ 80% of waveform.)
Phase Offset
Noise 10 MHz at static
condition
Storage Temperature
1 Hz
10 Hz
-60 dBc
-90 dBc
-65°C to +125°C
100 Hz
-120 dBc
1 KHz
-130 dBc
10 KHz
-140 dBc
Shock
2000 G’s, 0.3 ms ½ sine
Vibration
10 to 2000 Hz / 10 G’s
MERCURY www.mercury-crystal.com
Taiwan: TEL (886)-2-2406-2779, FAX (886)-2-2496-0769, e-mail: sales-tw@mercury-crystal.com
U.S.A.: TEL (1)-909-466-0427, FAX (1)-909-466-0762, e-mail: sales-us@mercury-crystal.com
MERCURY
Page 1 of 2
Date: Aug 20, 2006
Rev. 1