Temperature Compensated Crystal Oscillator Voltage Trim Option Available CXOH / CXOHV Model 14 Pin Dip, 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: 1MHz to 38MHz ±1ppm to ±5ppm ±0.5ppm Max ±0.3ppm Max ee Fr ad -40°C to 85°C Le oHS ant R pli -55°C to 120°C om C 3.3V or 5V ± 5% ±3ppm Min Voltage Trim Pin 1 15mA Typ, 30mA Max HCMOS/TTL Designed to meet today's 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 CXOH .720 (18.30) *A CRYSTEK Freq Part no DC Suggested PCB Layout .157 (4.00) .600 (15.24) .472 (12.00) .098 (2.50) .300 (7.62) .020 (0.50) #1 ID= #7 #14 #8 OUT pin 14 pin 8 Vdd PWR Supply A B C D E F G H pin 1 Operating Temperature 0°C to 50°C -10°C to 60°C -10°C to 70°C -20°C to 70°C -30°C to 60°C -30°C to 70°C -30°C to 75°C -40°C to 85°C Option O/P Load incl Probe Cl P 1.5 A 2.5 3.0 4.0 5.0 2.0 2.5 3.0 4.0 5.0 2.0 2.5 3.0 4.0 5.0 2.0 2.5 3.0 4.0 5.0 2.0 2.5 3.0 4.0 5.0 2.0 2.5 3.0 4.0 5.0 2.0 2.5 3.0 4.0 5.0 3.0 4.0 5.0 D E F C .178 (4.50) .197 (5.00) Crystek Part Number Guide CXOHV - 4 B C 3 Y - 25.000 #2 #3 #4 #5 #6 #7 #8 #1 Crystek TCXO HCMOS/TTL #2 V or blank = (V = Volt.Trim) (Blank = Mech. Trim) #3 4 or blank = Height (4 = 4.5mm) (Blank = 5.0mm) #4 Letter = Operating Temperature (see table 1) #5 Letter = Frequency Stability (see table 1) #6 3 or blank = Input Volt (3 = 3.3 volts) (Blank= 5V) #7 Y or blank = Symmetry (Y=45/55) (Blank = 40/60) #8 Frequency in MHz: 3 or 6 decimal places pin 7 2.0 B VT or NC GND OUT Vcc *A .075 (1.90) #1 GND Freq. Stability (± ppm) 1.0 Table 1 24 OUT OSC. VM .150 (3.81) Function 1 7 8 14 Dimensions inches (mm) All dimensions are Max unless otherwise specified. .039 (1.00) mA M .030 (0.76) .150 (3.81) .360 (9.14) .157 (4.00) Min .300 (7.62) .051 (1.30) .300 (7.62) PIN Example: CXOH-4BC3Y-25.000 = mech. trim, 4.5mm, -10/60, ±2.5ppm, 3.3V, 45/55%, 25.000MHz CXOHV-4B3CY-25.000 = volt. trim, 4.5mm, -10/60,±2.5ppm, 3.3V, 45/55%, 25.000MHz Specifications subject to change without notice. TD-020811 Rev. E