OCXOVST Oven Controlled Crystal Oscillator HC-MOS Output 5 V Power Supply FREQUENCY STABILITY FREQUENCY STABILITY OVERALL INCLUDED LONG TERM AGING 15 YEARS: Stratum 3 up to 40 MHz NOTE 1 < ±4.6 ppm OCXOVST-D HOLDOVER STABILITY DURING 24 HOURS INCLUDING LOAD, SUPPLY VOLTAGE AND TEMPERATURE VARIATION: < ±0.28 ppm (0.56 ppm p-to-p) TEMP. RANGE * 0 to +70 °C OCXOVST-C POWER SUPPLY TEMP. RANGE * SUPPLY INPUT: INPUT CURRENT : INPUT CURRENT : -40 to +85 °C Vcc = 5 V ±0.2 V * < 70 mA @ +30 °C * < 110 mA @ -20 °C * FREQUENCY CONTROL RANGE CONTROL VOLTAGE: INTERNAL CALIBRATION: NOTE 2 Not applicable, pin 1 must be connected to ground (see note 2) < ±1 ppm * On request: OUTPUT OUTPUT SIGNAL: SYMMETRY: RISE AND FALL TIME: LEVEL „0“ AND „1“: FAN OUT (LOAD): HC-MOS compatible 45 (min.) /55 (max.) % @ Vcc / 2 * tr < 7ns tf < 7 ns * < 0.4 V > Vcc –0.5 V 10 LS or 47pF max. Possibility of frequency adjustment with control voltage. ENVIRONMENT OPERABLE TEMP. RANGE: STORAGE TEMP. RANGE: VIBRATION: SHOCK: PACKAGE: PACKAGE HEIGHT: -40 to +85 °C -65 to +125 °C 10 to 2000 Hz / 10 g 2000 g, 0.3 ms, ½ sine DIL 14, 4 pins, GND to case 8 mm (see packaging info) OCXOVST-C 12.800 MHz 01.25 12 Type Frequency (PIN 1) Spec No. Date Code Piece No. ORDERING INFORMATION EXAMPLE WARM-UP within spec after 30s @ 0°C * < 250 mA during 10s ∆F/F: CURRENT: MISCELLANEOUS SHORT TERM STABILITY: PHASE NOISE (BW = 1Hz): (typical, @ 10MHz in static conditions) * MARKING EXAMPLE < 5 E-10 0.1 s to 30 s Typical 5 E-11 @ 1 s 1 Hz : - 70 dBc / Hz 10 Hz : -100 dBc / Hz 100 Hz : -130 dBc / Hz 1 kHz : -140 dBc / Hz O C X O VST - C 12.8 MHz Oscillator Type OCXO = Oven Controlled Crystal Oscillator Oscillator Version V = low power voltage 5V ST = Stratum 3 application xxx N° of customer spec. Oscillator output frequency Temperature Range C = -40 to +85°C D = 0 to +70°C Customer’s specification on request STANDARD FREQUENCIES (MHz) 12.8000 DATE: 16.3840 19.4400 20.0000 40.0000 June 2003 Revision No.: 2 Page 1/2 In accordance with our policy of continuous development and improvement, we reserve the right to modify the design or the specifications of our products without prior notice. Headquarters: Micro Crystal Div. of ETA SA Mühlestrasse 14 CH-2540 Grenchen Switzerland Tel. Fax Internet Email +41 32 655 82 82 +41 32 655 80 90 www.microcrystal.ch [email protected] OCXOVST Oven Controlled Crystal Oscillator HC-MOS Output 5 V Power Supply Stratum 3 up to 20 MHz Application and Test Circuit: Adjustment with voltage Adjustment with resistor HC-MOS TTL Oscilloscope or Counter HC-MOS Vcc TTL Oscilloscope or Counter R load 2k A R load 2k A D1 D1 8 14 8 14 D2 Vcc Vcc V 1 Cd2 7 Cd1 C load * 15pF D2 Vcc D3 V 1 Cd2 7 Cd1 Radj (0–10kohms) Vc D4 V C load * 15pF D3 D4 low thermal coefficient Waveform Output: Waveshape TTL tf Waveshape HC-MOS tf tr tr Vcc Vcc Vcc - 0.5V min. (Except 12V: 5V-0.5V min.) 2.4V min. 1/2 Vcc 1.4V Gnd + 0.4V max. Gnd T1 0.4V max. T2 Gnd T1 T2 Duty Cycle = 100 × DATE: T1 [%] T1 + T 2 June 2003 Revision No.: 1 Page 2/2 In accordance with our policy of continuous development and improvement, we reserve the right to modify the design or the specifications of our products without prior notice. Headquarters: Micro Crystal Div. of ETA SA Mühlestrasse 14 CH-2540 Grenchen Switzerland Tel. Fax Internet Email +41 32 655 82 82 +41 32 655 80 90 www.microcrystal.ch [email protected]