250OC HTXO OSCILLATOR 1.5 MHz to 50 MHz High Temperature Crystal Oscillator DESCRIPTION Statek’s HTXO crystal oscillator is a 250OC high temperature, rugged surface-mount oscillator. The design consists of a high-shock crystal and a high temperature CMOS integrated circuit housed in a 5.0 mm x 7.5 mm surface-mount ceramic package. FEATURES Manufactured in the U.S.A. 3.3 V and 5.0 V operation High temperature operation up to 250OC PACKAGE DIMENSIONS Excellent stability over temperature G Fast start-up High shock and vibration resistance CMOS output Optional output Enable/Disable A 3 1 4 F TOP Low EMI emission 2 D Hermetically sealed ceramic package D APPLICATIONS B Industrial C E Oil & gas downhole instrumentation Rotary shaft sensors Underground boring tools Avionics applications SUGGESTED LAND PATTERN TYPICAL MAXIMUM DIM inches mm inches mm A 0.295 7.50 0.302 7.68 B 0.197 5.00 0.204 5.18 C* 0.059 1.50 0.065 1.65 D 0.055 1.40 - - E 0.040 1.02 - - F 0.240 6.10 - - G 0.100 2.54 - - *SM1 (Termination material is Au over Ni over W). PIN CONNECTIONS 1. Enable/Disable (T) or not connected (N) 2. Ground 3. Output 4. VDD Note: A bypass capacitor 0.1µF needs to be connected as close to the VDD and ground pins as possible. 10214 Rev B STATEK CORPORATION 512 N. MAIN ST., ORANGE, CA 92868 714-639-7810 FAX: 714-997-1256 www.statek.com SPECIFICATIONS ABSOLUTE MAXIMUM RATINGS Specifications are typical at 25OC unless otherwise noted. Specifications are subject to change without notice. Tighter specifications available, please contact factory. Supply Voltage VDD Storage Temperature Supply Voltage1 Total 3.3 V ±5% 5.0 V ±10% Tolerance2 ENABLE/DISABLE OPTIONS (T/N) O Output Load (CMOS) 15 pF Start-up Time 5 ms MAX Rise/Fall Time 10 ns MAX Duty Cycle3 40% MIN, 60% MAX Shock Statek offers two enable/disable options: T and N. The Tversion has a Tri-State output and oscillates internally when the output is put into the high Z state. The N-version does not have PIN 1 connected internally and has no enable/disable capability. The following table describes the Enable/Disable option T. ± 500 ppm for 25 C to 250 C O survival4 -0.5 V to 6.0 V (5V VDD) -55OC to +125OC Up to 30,000 g, 0.5 ms, ½ sine Vibration, survival5 20 g, 10-2000 Hz, swept sine Operating Temp Range6 -55ºC up to 250ºC COMPARISON OF ENABLE/DISABLE OPTIONS T AND N T 1. 30 MHz maximum @ 3.3 V ±5%. 2. Frequency over temperature relative to nominal frequency. 3. 45% MIN, 55% MAX available. Check with factory. 4. 25ºC 5. Per MIL-STD-202G, Method 204D, Condition D, Random vibration testing also available. 6. Expected life at 250OC is a minimum of 1000 hours. N When enabled (PIN 1 is low) Output Freq. output Freq. output Oscillator Oscillates Oscillates Current consumption Normal Normal When disabled (PIN 1 is high) PACKAGING OPTIONS Output High Z state N/C HTXO Oscillator Oscillates N/C - Tray Pack - Tape and Reel - 16 mm tape, 7” or 13” reels Per EIA 481 (see Tape and Reel data sheet # 10109) Current consumption Lower than normal N/C HOW TO ORDER HTXO SURFACE MOUNT CRYSTAL OSCILLATORS HTXO Supply Voltage 4 = 3.3V 5 = 5.0V 4 B Shock Level A = 5,000 g B = 10,000 g C = 20,000 g D = 30,000 g S Blank = Standard S = Special or custom N Enable/Disable Option T or N SM5 20.0M Termination Blank = SM1 = Gold Plated (Pb Free) SM5 = Solder Dipped (Pb Free) Frequency M = MHz , / / 500 Total Frequency Tolerance (in ppm) / W Temp. Range: Q = 250C to 2250C W = 250C to 2500C S = Customer Specified Temp. Range 10214 Rev B STATEK CORPORATION 512 N. MAIN ST., ORANGE, CA 92868 714-639-7810 FAX: 714-997-1256 www.statek.com