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| CXOHD4 / CXOHVD4 Model 4 Pin SMD, 3.3V & 5V, HCMOS/TTL Frequency Range: Frequency Stability: Freq. Stability vs Volt: Freq. Stability vs Load: Temperature Range: Storage: Input Voltage: Mech. Trim. Range: (Option V) Input Current: Output: Symmetry: (Option Y) Rise/Fall Time: Output Voltage: Load: Phase Noise Typ.: 10Hz 100HZ 1KHz 10KHz 100KHz Aging: .878 (22.3) .732 (18.60) 1MHz to 38.88MHz 1ppm to 5ppm 0.5ppm Max 0.3ppm Max ee Fr ad -40C to 85C Le oHS ant R pli -55C to 120C m Co 3.3V or 5V 5% 3ppm Min Voltage Trim Pin 1 15mA Typ, 30mA Max Designed to meet today's HCMOS/TTL 40/60% Max @ 50% Vdd requirements for tighter 45/55% Max frequency stability tolerance 4ns Typ, 10ns Max while reducing unit cost. "0" = 10% Vdd Max "1" = 90% Vdd Min VCTCXO Specification 15pF/10TTL Max -100dBc/Hz Voltage Trim Pin 1: 5ppm Min -130dBc/Hz Control Voltage: (5V) 2.5V 2.5V -140dBc/Hz (3.3V) 1.65V 1.65V -145dBc/Hz -150dBc/Hz <1ppm Max/yr Temperature Compensated Crystal Oscillator Voltage Trim Option Available CXOHD4 PIN .019 .004 (0.5 0.1) #1 .480 (12.20) #4 #2 .311 .020 (7.9 0.5) #3 .197 (5.0) 1 2 3 4 Function VT or NC GND OUT Vcc .177 (4.5) CRYSTEK Freq DC Bottom View .614 .020 (15.6 0.5) Dimensions inches (mm) (4.00) All dimensions are Max unless otherwise specified. mA M OUT pin 14 Vdd OUT .157 pin 8 OSC. PWR Supply O/P Load incl Probe Cl Crystek Part Number Guide VM pin 1 Option GND CXOHVD4 - B C 3 Y - 25.000 pin 7 #1 #2 #3 #4 #5 #6 #7 A B C D E F G H Operating Temperature 0C to 50C -10C to 60C -10C to 70C -20C to 70C -30C to 60C -30C to 70C -30C to 75C -40C to 85C Freq. Stability ( ppm) 1.0 1.5 2.0 2.0 2.0 2.0 2.0 2.0 2.0 P A B 2.5 2.5 2.5 2.5 2.5 2.5 2.5 C 3.0 3.0 3.0 3.0 3.0 3.0 3.0 3.0 D 4.0 4.0 4.0 4.0 4.0 4.0 4.0 4.0 E 5.0 5.0 5.0 5.0 5.0 5.0 5.0 5.0 F #1 Crystek TCXO 4 Pin SMD HCMOS/TTL #2 V or blank = (V = Volt.Trim) (Blank = Mech. Trim) #3 Letter = Operating Temperature (see table 1) #4 Letter = Frequency Stability (see table 1) #5 3 or blank = Input Volt (3 = 3.3 volts) (Blank= 5V) #6 Y or blank = Symmetry (Y=45/55) (Blank = 40/60) #7 Frequency in MHz: 3 or 6 decimal places Example: CXOHD4-BC3Y-25.000 = mech. trim, -10/60, 2.5ppm, 3.3V, 45/55%, 25.000MHz CXOHVD4-BCY-25.000 = volt. trim, -10/60,2.5ppm, 3.3V, 45/55%, 25.000MHz Table 1 Specifications subject to change without notice. TD-020815 Rev. D |
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